./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/standard_strcpy_original-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/standard_strcpy_original-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d1a303ac3a0660bf920920173d22fca6c20b09d575ad3b8f2f9d91205d4f1f6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 16:36:46,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:36:46,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:36:46,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:36:46,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:36:46,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:36:46,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:36:46,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:36:46,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:36:46,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:36:46,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:36:46,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:36:46,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:36:46,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:36:46,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:36:46,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:36:46,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:36:46,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:36:46,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:36:46,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:36:46,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:36:46,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:36:46,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:36:46,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:36:46,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:36:46,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:36:46,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:36:46,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:36:46,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:36:46,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:36:46,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:36:46,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:36:46,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:36:46,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:36:46,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:36:46,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:36:46,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:36:46,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:36:46,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:36:46,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:36:46,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:36:46,285 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 16:36:46,304 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:36:46,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:36:46,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:36:46,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:36:46,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:36:46,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:36:46,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:36:46,307 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:36:46,307 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:36:46,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:36:46,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:36:46,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:36:46,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:36:46,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:36:46,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:36:46,315 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:36:46,315 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:36:46,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:36:46,315 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:36:46,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:36:46,316 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:36:46,316 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:36:46,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:36:46,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:36:46,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:36:46,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:36:46,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:36:46,317 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:36:46,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:36:46,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:36:46,318 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_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d1a303ac3a0660bf920920173d22fca6c20b09d575ad3b8f2f9d91205d4f1f6 [2022-12-14 16:36:46,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:36:46,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:36:46,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:36:46,519 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:36:46,520 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:36:46,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-examples/standard_strcpy_original-2.i [2022-12-14 16:36:49,089 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:36:49,252 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:36:49,252 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/sv-benchmarks/c/array-examples/standard_strcpy_original-2.i [2022-12-14 16:36:49,257 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4/data/ab50928d5/e87eec05500f4628a65f8fdf4a22cdfc/FLAGd77e3a104 [2022-12-14 16:36:49,269 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4/data/ab50928d5/e87eec05500f4628a65f8fdf4a22cdfc [2022-12-14 16:36:49,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:36:49,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:36:49,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:36:49,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:36:49,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:36:49,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:36:49" (1/1) ... [2022-12-14 16:36:49,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb40192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:49, skipping insertion in model container [2022-12-14 16:36:49,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:36:49" (1/1) ... [2022-12-14 16:36:49,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:36:49,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:36:49,404 WARN L237 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_67b1f58e-4bef-437b-9be7-5abaf214a116/sv-benchmarks/c/array-examples/standard_strcpy_original-2.i[896,909] [2022-12-14 16:36:49,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:36:49,424 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:36:49,435 WARN L237 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_67b1f58e-4bef-437b-9be7-5abaf214a116/sv-benchmarks/c/array-examples/standard_strcpy_original-2.i[896,909] [2022-12-14 16:36:49,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:36:49,455 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:36:49,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:49 WrapperNode [2022-12-14 16:36:49,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:36:49,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:36:49,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:36:49,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:36:49,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:49" (1/1) ... [2022-12-14 16:36:49,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:49" (1/1) ... [2022-12-14 16:36:49,483 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2022-12-14 16:36:49,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:36:49,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:36:49,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:36:49,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:36:49,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:49" (1/1) ... [2022-12-14 16:36:49,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:49" (1/1) ... [2022-12-14 16:36:49,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:49" (1/1) ... [2022-12-14 16:36:49,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:49" (1/1) ... [2022-12-14 16:36:49,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:49" (1/1) ... [2022-12-14 16:36:49,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:49" (1/1) ... [2022-12-14 16:36:49,506 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:49" (1/1) ... [2022-12-14 16:36:49,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:49" (1/1) ... [2022-12-14 16:36:49,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:36:49,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:36:49,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:36:49,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:36:49,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:49" (1/1) ... [2022-12-14 16:36:49,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:36:49,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:36:49,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:36:49,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:36:49,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:36:49,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:36:49,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:36:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:36:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:36:49,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:36:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 16:36:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:36:49,630 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:36:49,632 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:36:49,740 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:36:49,774 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:36:49,774 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 16:36:49,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:36:49 BoogieIcfgContainer [2022-12-14 16:36:49,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:36:49,777 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:36:49,777 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:36:49,784 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:36:49,784 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:36:49" (1/1) ... [2022-12-14 16:36:49,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:36:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:49,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-12-14 16:36:49,829 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-12-14 16:36:49,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 16:36:49,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:49,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:49,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:50,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:50,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-12-14 16:36:50,002 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-12-14 16:36:50,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 16:36:50,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:50,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:50,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:50,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:50,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-12-14 16:36:50,059 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-12-14 16:36:50,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 16:36:50,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:50,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:50,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:50,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:50,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2022-12-14 16:36:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-12-14 16:36:50,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 16:36:50,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:50,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:50,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 16:36:50,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:50,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2022-12-14 16:36:50,268 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-12-14 16:36:50,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 16:36:50,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:50,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:50,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:50,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-12-14 16:36:50,349 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-12-14 16:36:50,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 16:36:50,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:50,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:50,399 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:36:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-12-14 16:36:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-12-14 16:36:50,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 16:36:50,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:50,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:50,550 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 16:36:50,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:50,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2022-12-14 16:36:50,875 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-12-14 16:36:50,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 16:36:50,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:50,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:50,911 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 16:36:50,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:50,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2022-12-14 16:36:50,928 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2022-12-14 16:36:50,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:36:50,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:50,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 16:36:51,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:51,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2022-12-14 16:36:51,058 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-12-14 16:36:51,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:36:51,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:51,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:51,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 16:36:51,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:51,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2022-12-14 16:36:51,108 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-12-14 16:36:51,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 16:36:51,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:51,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:51,159 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 16:36:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2022-12-14 16:36:51,226 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-12-14 16:36:51,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 16:36:51,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:51,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 16:36:51,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:51,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-12-14 16:36:51,263 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-12-14 16:36:51,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 16:36:51,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:51,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:51,313 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 16:36:51,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:51,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2022-12-14 16:36:51,431 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-12-14 16:36:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 16:36:51,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:51,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 16:36:51,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:51,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2022-12-14 16:36:51,478 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2022-12-14 16:36:51,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 16:36:51,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:51,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:51,538 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 16:36:51,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2022-12-14 16:36:51,679 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-12-14 16:36:51,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 16:36:51,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:51,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:51,708 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 16:36:51,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:51,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2022-12-14 16:36:51,729 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2022-12-14 16:36:51,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 16:36:51,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:51,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:51,804 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 16:36:51,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:51,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2022-12-14 16:36:51,924 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2022-12-14 16:36:51,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 16:36:51,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:51,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 16:36:51,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2022-12-14 16:36:51,980 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2022-12-14 16:36:51,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 16:36:51,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:51,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 16:36:52,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:52,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2022-12-14 16:36:52,115 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-12-14 16:36:52,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 16:36:52,115 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2022-12-14 16:36:52,123 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-14 16:36:52,344 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 16:36:52,347 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2022-12-14 16:36:52,351 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2022-12-14 16:36:52,352 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2022-12-14 16:36:52,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 04:36:52 ImpRootNode [2022-12-14 16:36:52,352 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 16:36:52,353 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:36:52,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:36:52,353 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:36:52,353 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:36:49" (3/4) ... [2022-12-14 16:36:52,356 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 16:36:52,364 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-12-14 16:36:52,365 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 16:36:52,365 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 16:36:52,365 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 16:36:52,393 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 16:36:52,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:36:52,394 INFO L158 Benchmark]: Toolchain (without parser) took 3122.10ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 106.1MB in the beginning and 130.0MB in the end (delta: -23.9MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-12-14 16:36:52,394 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:36:52,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.87ms. Allocated memory is still 138.4MB. Free memory was 106.1MB in the beginning and 95.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 16:36:52,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.35ms. Allocated memory is still 138.4MB. Free memory was 95.6MB in the beginning and 93.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:36:52,395 INFO L158 Benchmark]: Boogie Preprocessor took 24.06ms. Allocated memory is still 138.4MB. Free memory was 93.9MB in the beginning and 92.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:36:52,395 INFO L158 Benchmark]: RCFGBuilder took 267.21ms. Allocated memory is still 138.4MB. Free memory was 92.7MB in the beginning and 78.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 16:36:52,395 INFO L158 Benchmark]: CodeCheck took 2575.41ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 78.4MB in the beginning and 133.2MB in the end (delta: -54.8MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. [2022-12-14 16:36:52,396 INFO L158 Benchmark]: Witness Printer took 40.60ms. Allocated memory is still 174.1MB. Free memory was 133.2MB in the beginning and 130.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 16:36:52,397 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, 21 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1021 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 714 mSDsluCounter, 197 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 681 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2754 IncrementalHoareTripleChecker+Invalid, 3435 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 681 mSolverCounterUnsat, 197 mSDtfsCounter, 2754 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1937 GetRequests, 1857 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3157 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 236 ConstructedInterpolants, 0 QuantifiedInterpolants, 500 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 126/143 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: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 <= j + 2147483648 && i == 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 <= i + 2147483648 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 0 <= i + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.87ms. Allocated memory is still 138.4MB. Free memory was 106.1MB in the beginning and 95.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.35ms. Allocated memory is still 138.4MB. Free memory was 95.6MB in the beginning and 93.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.06ms. Allocated memory is still 138.4MB. Free memory was 93.9MB in the beginning and 92.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 267.21ms. Allocated memory is still 138.4MB. Free memory was 92.7MB in the beginning and 78.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 2575.41ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 78.4MB in the beginning and 133.2MB in the end (delta: -54.8MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. * Witness Printer took 40.60ms. Allocated memory is still 174.1MB. Free memory was 133.2MB in the beginning and 130.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 16:36:52,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b1f58e-4bef-437b-9be7-5abaf214a116/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE