./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/net_reset.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/net_reset.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ --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 48a2a400cc1e430cf3a7236322ca51cea128f6d0bcc04e32eb2b758fbcaa0711 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:48:01,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:48:01,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:48:01,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:48:01,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:48:01,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:48:01,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:48:01,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:48:01,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:48:01,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:48:01,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:48:01,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:48:01,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:48:01,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:48:01,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:48:01,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:48:01,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:48:01,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:48:01,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:48:01,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:48:01,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:48:01,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:48:01,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:48:01,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:48:01,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:48:01,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:48:01,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:48:01,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:48:01,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:48:01,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:48:01,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:48:01,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:48:01,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:48:01,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:48:01,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:48:01,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:48:01,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:48:01,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:48:01,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:48:01,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:48:01,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:48:01,389 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:48:01,434 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:48:01,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:48:01,436 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:48:01,437 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:48:01,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:48:01,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:48:01,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:48:01,438 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:48:01,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:48:01,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:48:01,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:48:01,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:48:01,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:48:01,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:48:01,447 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:48:01,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:48:01,448 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:48:01,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:48:01,448 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:48:01,449 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:48:01,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:48:01,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:48:01,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:48:01,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:48:01,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:48:01,450 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:48:01,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:48:01,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:48:01,451 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_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48a2a400cc1e430cf3a7236322ca51cea128f6d0bcc04e32eb2b758fbcaa0711 [2021-11-23 00:48:01,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:48:01,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:48:01,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:48:01,793 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:48:01,795 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:48:01,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loops-crafted-1/net_reset.c [2021-11-23 00:48:01,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ/data/a6043fc6e/6a15931775a4400e8f3770601065f558/FLAG7da02c029 [2021-11-23 00:48:02,450 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:48:02,452 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/sv-benchmarks/c/loops-crafted-1/net_reset.c [2021-11-23 00:48:02,465 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ/data/a6043fc6e/6a15931775a4400e8f3770601065f558/FLAG7da02c029 [2021-11-23 00:48:02,780 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ/data/a6043fc6e/6a15931775a4400e8f3770601065f558 [2021-11-23 00:48:02,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:48:02,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:48:02,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:48:02,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:48:02,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:48:02,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:48:02" (1/1) ... [2021-11-23 00:48:02,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53055189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:02, skipping insertion in model container [2021-11-23 00:48:02,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:48:02" (1/1) ... [2021-11-23 00:48:02,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:48:02,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:48:03,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/sv-benchmarks/c/loops-crafted-1/net_reset.c[4546,4559] [2021-11-23 00:48:03,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:48:04,179 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:48:04,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/sv-benchmarks/c/loops-crafted-1/net_reset.c[4546,4559] [2021-11-23 00:48:04,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:48:04,249 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:48:04,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:04 WrapperNode [2021-11-23 00:48:04,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:48:04,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:48:04,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:48:04,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:48:04,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:04" (1/1) ... [2021-11-23 00:48:04,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:04" (1/1) ... [2021-11-23 00:48:04,310 INFO L137 Inliner]: procedures = 17, calls = 35, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 85 [2021-11-23 00:48:04,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:48:04,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:48:04,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:48:04,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:48:04,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:04" (1/1) ... [2021-11-23 00:48:04,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:04" (1/1) ... [2021-11-23 00:48:04,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:04" (1/1) ... [2021-11-23 00:48:04,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:04" (1/1) ... [2021-11-23 00:48:04,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:04" (1/1) ... [2021-11-23 00:48:04,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:04" (1/1) ... [2021-11-23 00:48:04,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:04" (1/1) ... [2021-11-23 00:48:04,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:48:04,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:48:04,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:48:04,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:48:04,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:04" (1/1) ... [2021-11-23 00:48:04,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:48:04,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:48:04,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:48:04,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:48:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:48:04,440 INFO L130 BoogieDeclarations]: Found specification of procedure addrcmp [2021-11-23 00:48:04,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:48:04,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:48:04,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:48:04,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:48:04,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:48:04,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:48:04,605 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:48:04,619 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:48:04,807 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:48:04,897 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:48:04,897 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:48:04,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:48:04 BoogieIcfgContainer [2021-11-23 00:48:04,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:48:04,900 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:48:04,901 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:48:04,912 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:48:04,912 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:48:04" (1/1) ... [2021-11-23 00:48:04,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:48:05,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:05,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-11-23 00:48:05,014 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-11-23 00:48:05,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:48:05,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:05,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:05,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:05,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:05,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 3 states and 2 transitions. [2021-11-23 00:48:05,436 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states and 2 transitions. [2021-11-23 00:48:05,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:48:05,436 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2021-11-23 00:48:05,464 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:48:05,470 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:48:05,474 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:48:05,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:48:05 ImpRootNode [2021-11-23 00:48:05,496 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:48:05,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:48:05,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:48:05,498 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:48:05,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:48:04" (3/4) ... [2021-11-23 00:48:05,502 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:48:05,542 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-11-23 00:48:05,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 00:48:05,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 00:48:05,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:48:05,652 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:48:05,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:48:05,659 INFO L158 Benchmark]: Toolchain (without parser) took 2869.60ms. Allocated memory was 104.9MB in the beginning and 211.8MB in the end (delta: 107.0MB). Free memory was 72.7MB in the beginning and 95.9MB in the end (delta: -23.2MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB. [2021-11-23 00:48:05,660 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:48:05,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1465.28ms. Allocated memory was 104.9MB in the beginning and 211.8MB in the end (delta: 107.0MB). Free memory was 72.5MB in the beginning and 97.3MB in the end (delta: -24.8MB). Peak memory consumption was 120.0MB. Max. memory is 16.1GB. [2021-11-23 00:48:05,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.28ms. Allocated memory is still 211.8MB. Free memory was 97.3MB in the beginning and 95.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:48:05,662 INFO L158 Benchmark]: Boogie Preprocessor took 42.31ms. Allocated memory is still 211.8MB. Free memory was 95.2MB in the beginning and 93.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:48:05,663 INFO L158 Benchmark]: RCFGBuilder took 544.64ms. Allocated memory is still 211.8MB. Free memory was 93.9MB in the beginning and 78.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 00:48:05,663 INFO L158 Benchmark]: CodeCheck took 595.32ms. Allocated memory is still 211.8MB. Free memory was 78.5MB in the beginning and 99.4MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:48:05,664 INFO L158 Benchmark]: Witness Printer took 155.22ms. Allocated memory is still 211.8MB. Free memory was 99.4MB in the beginning and 95.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:48:05,667 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 195]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: batch_at <= i * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1465.28ms. Allocated memory was 104.9MB in the beginning and 211.8MB in the end (delta: 107.0MB). Free memory was 72.5MB in the beginning and 97.3MB in the end (delta: -24.8MB). Peak memory consumption was 120.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.28ms. Allocated memory is still 211.8MB. Free memory was 97.3MB in the beginning and 95.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.31ms. Allocated memory is still 211.8MB. Free memory was 95.2MB in the beginning and 93.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 544.64ms. Allocated memory is still 211.8MB. Free memory was 93.9MB in the beginning and 78.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 595.32ms. Allocated memory is still 211.8MB. Free memory was 78.5MB in the beginning and 99.4MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 155.22ms. Allocated memory is still 211.8MB. Free memory was 99.4MB in the beginning and 95.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:48:05,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5fc9891-ea27-4b38-b45d-23f447ed2afb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE