./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/array_3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/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_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/array_3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/bin/ukojak-rkRKPMF4O4 --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 9c5d8dd6c87f471ee77fd3b765c8ecabfaf01dd976e127275ea7c589f724f472 --- 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 [2022-12-15 00:27:08,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:27:08,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:27:08,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:27:08,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:27:08,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:27:08,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:27:08,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:27:08,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:27:08,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:27:08,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:27:08,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:27:08,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:27:08,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:27:08,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:27:08,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:27:08,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:27:08,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:27:08,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:27:08,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:27:08,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:27:08,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:27:08,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:27:08,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:27:08,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:27:08,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:27:08,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:27:08,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:27:08,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:27:08,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:27:08,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:27:08,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:27:08,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:27:08,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:27:08,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:27:08,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:27:08,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:27:08,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:27:08,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:27:08,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:27:08,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:27:08,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 00:27:08,462 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:27:08,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:27:08,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:27:08,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:27:08,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:27:08,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:27:08,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:27:08,470 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:27:08,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:27:08,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:27:08,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:27:08,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:27:08,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:27:08,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:27:08,471 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:27:08,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:27:08,472 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:27:08,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:27:08,472 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:27:08,472 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:27:08,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:27:08,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:27:08,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:27:08,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:27:08,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:27:08,474 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:27:08,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:27:08,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:27:08,474 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_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c5d8dd6c87f471ee77fd3b765c8ecabfaf01dd976e127275ea7c589f724f472 [2022-12-15 00:27:08,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:27:08,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:27:08,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:27:08,676 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:27:08,677 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:27:08,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loop-acceleration/array_3-1.i [2022-12-15 00:27:11,241 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:27:11,363 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:27:11,364 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/sv-benchmarks/c/loop-acceleration/array_3-1.i [2022-12-15 00:27:11,368 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/bin/ukojak-rkRKPMF4O4/data/61c672a62/66cc37955a2b43c5a652356e4f077637/FLAGb5b216de9 [2022-12-15 00:27:11,378 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/bin/ukojak-rkRKPMF4O4/data/61c672a62/66cc37955a2b43c5a652356e4f077637 [2022-12-15 00:27:11,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:27:11,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:27:11,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:27:11,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:27:11,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:27:11,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:27:11" (1/1) ... [2022-12-15 00:27:11,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61716ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:11, skipping insertion in model container [2022-12-15 00:27:11,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:27:11" (1/1) ... [2022-12-15 00:27:11,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:27:11,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:27:11,500 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_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/sv-benchmarks/c/loop-acceleration/array_3-1.i[849,862] [2022-12-15 00:27:11,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:27:11,515 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:27:11,523 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_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/sv-benchmarks/c/loop-acceleration/array_3-1.i[849,862] [2022-12-15 00:27:11,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:27:11,536 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:27:11,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:11 WrapperNode [2022-12-15 00:27:11,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:27:11,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:27:11,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:27:11,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:27:11,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:11" (1/1) ... [2022-12-15 00:27:11,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:11" (1/1) ... [2022-12-15 00:27:11,559 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2022-12-15 00:27:11,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:27:11,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:27:11,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:27:11,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:27:11,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:11" (1/1) ... [2022-12-15 00:27:11,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:11" (1/1) ... [2022-12-15 00:27:11,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:11" (1/1) ... [2022-12-15 00:27:11,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:11" (1/1) ... [2022-12-15 00:27:11,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:11" (1/1) ... [2022-12-15 00:27:11,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:11" (1/1) ... [2022-12-15 00:27:11,572 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:11" (1/1) ... [2022-12-15 00:27:11,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:11" (1/1) ... [2022-12-15 00:27:11,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:27:11,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:27:11,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:27:11,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:27:11,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:11" (1/1) ... [2022-12-15 00:27:11,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:27:11,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:27:11,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:27:11,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:27:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:27:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:27:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:27:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 00:27:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:27:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:27:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 00:27:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:27:11,688 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:27:11,689 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:27:11,761 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:27:11,781 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:27:11,781 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 00:27:11,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:27:11 BoogieIcfgContainer [2022-12-15 00:27:11,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:27:11,784 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:27:11,784 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:27:11,793 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:27:11,793 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:27:11" (1/1) ... [2022-12-15 00:27:11,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:27:11,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:27:11,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-12-15 00:27:11,841 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-12-15 00:27:11,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:27:11,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:27:11,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:27:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:27:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:27:11,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:27:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-12-15 00:27:11,959 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-12-15 00:27:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 00:27:11,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:27:11,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:27:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:27:12,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:27:12,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:27:12,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2022-12-15 00:27:12,037 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2022-12-15 00:27:12,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:27:12,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:27:12,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:27:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:27:12,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:27:12,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:27:12,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2022-12-15 00:27:12,163 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2022-12-15 00:27:12,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:27:12,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:27:12,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:27:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:27:12,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:27:12,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:27:12,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2022-12-15 00:27:12,316 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2022-12-15 00:27:12,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:27:12,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:27:12,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:27:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:27:12,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:27:12,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:27:12,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-12-15 00:27:12,395 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-12-15 00:27:12,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:27:12,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:27:12,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:27:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:27:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:27:12,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:27:12,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-12-15 00:27:12,501 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-12-15 00:27:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:27:12,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:27:12,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:27:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:27:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:27:12,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:27:12,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2022-12-15 00:27:12,666 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2022-12-15 00:27:12,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 00:27:12,667 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-12-15 00:27:12,674 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 00:27:12,706 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:27:12,710 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-15 00:27:12,716 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:27:12,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:27:12 ImpRootNode [2022-12-15 00:27:12,716 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:27:12,717 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:27:12,717 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:27:12,717 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:27:12,718 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:27:11" (3/4) ... [2022-12-15 00:27:12,720 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 00:27:12,729 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-15 00:27:12,729 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-15 00:27:12,729 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 00:27:12,729 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 00:27:12,760 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:27:12,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:27:12,761 INFO L158 Benchmark]: Toolchain (without parser) took 1379.39ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 92.2MB in the beginning and 87.1MB in the end (delta: 5.0MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2022-12-15 00:27:12,761 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory was 102.7MB in the beginning and 102.5MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:27:12,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.82ms. Allocated memory is still 134.2MB. Free memory was 92.2MB in the beginning and 82.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 00:27:12,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.87ms. Allocated memory is still 134.2MB. Free memory was 82.1MB in the beginning and 80.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:27:12,762 INFO L158 Benchmark]: Boogie Preprocessor took 14.49ms. Allocated memory is still 134.2MB. Free memory was 80.8MB in the beginning and 79.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:27:12,763 INFO L158 Benchmark]: RCFGBuilder took 208.75ms. Allocated memory is still 134.2MB. Free memory was 79.5MB in the beginning and 68.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 00:27:12,763 INFO L158 Benchmark]: CodeCheck took 932.32ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 68.7MB in the beginning and 89.2MB in the end (delta: -20.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-12-15 00:27:12,763 INFO L158 Benchmark]: Witness Printer took 43.32ms. Allocated memory is still 161.5MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:27:12,765 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 198 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 121 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 77 mSDtfsCounter, 216 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 526 GetRequests, 503 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 21/25 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: 16]: 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: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: i <= 1023 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory was 102.7MB in the beginning and 102.5MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.82ms. Allocated memory is still 134.2MB. Free memory was 92.2MB in the beginning and 82.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.87ms. Allocated memory is still 134.2MB. Free memory was 82.1MB in the beginning and 80.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.49ms. Allocated memory is still 134.2MB. Free memory was 80.8MB in the beginning and 79.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 208.75ms. Allocated memory is still 134.2MB. Free memory was 79.5MB in the beginning and 68.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 932.32ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 68.7MB in the beginning and 89.2MB in the end (delta: -20.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Witness Printer took 43.32ms. Allocated memory is still 161.5MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 00:27:12,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b5c21ee-aa53-4a78-b8be-f376f8fb4317/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