./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/css2003.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/css2003.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 3cc40df30b48f0dde21200c49a8e3c2dcaea3151eb010f51f5a34e59bc04994b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:13:58,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:13:58,625 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:13:58,629 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:13:58,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:13:58,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:13:58,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:13:58,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:13:58,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:13:58,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:13:58,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:13:58,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:13:58,657 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:13:58,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:13:58,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:13:58,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:13:58,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:13:58,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:13:58,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:13:58,663 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:13:58,663 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:13:58,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:13:58,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:13:58,668 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:13:58,668 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:13:58,668 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:13:58,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:13:58,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:13:58,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:13:58,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:13:58,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:13:58,675 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:13:58,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:13:58,675 INFO L153 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_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cc40df30b48f0dde21200c49a8e3c2dcaea3151eb010f51f5a34e59bc04994b [2024-11-08 22:13:58,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:13:58,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:13:58,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:13:59,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:13:59,001 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:13:59,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-lit/css2003.i Unable to find full path for "g++" [2024-11-08 22:14:01,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:14:01,316 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:14:01,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/sv-benchmarks/c/loop-lit/css2003.i [2024-11-08 22:14:01,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk/data/2f4b9be6e/a4c5d2b16b6a41fa85be042b6c3ac80a/FLAGe2409833e [2024-11-08 22:14:01,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk/data/2f4b9be6e/a4c5d2b16b6a41fa85be042b6c3ac80a [2024-11-08 22:14:01,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:14:01,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:14:01,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:14:01,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:14:01,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:14:01,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:14:01" (1/1) ... [2024-11-08 22:14:01,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7442dfd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:01, skipping insertion in model container [2024-11-08 22:14:01,371 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:14:01" (1/1) ... [2024-11-08 22:14:01,403 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:14:01,613 WARN L250 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_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/sv-benchmarks/c/loop-lit/css2003.i[895,908] [2024-11-08 22:14:01,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:14:01,644 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:14:01,661 WARN L250 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_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/sv-benchmarks/c/loop-lit/css2003.i[895,908] [2024-11-08 22:14:01,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:14:01,682 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:14:01,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:01 WrapperNode [2024-11-08 22:14:01,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:14:01,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:14:01,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:14:01,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:14:01,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:01" (1/1) ... [2024-11-08 22:14:01,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:01" (1/1) ... [2024-11-08 22:14:01,719 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-11-08 22:14:01,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:14:01,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:14:01,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:14:01,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:14:01,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:01" (1/1) ... [2024-11-08 22:14:01,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:01" (1/1) ... [2024-11-08 22:14:01,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:01" (1/1) ... [2024-11-08 22:14:01,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:01" (1/1) ... [2024-11-08 22:14:01,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:01" (1/1) ... [2024-11-08 22:14:01,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:01" (1/1) ... [2024-11-08 22:14:01,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:01" (1/1) ... [2024-11-08 22:14:01,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:01" (1/1) ... [2024-11-08 22:14:01,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:14:01,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:14:01,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:14:01,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:14:01,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:01" (1/1) ... [2024-11-08 22:14:01,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:14:01,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:14:01,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:14:01,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:14:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:14:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:14:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:14:01,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:14:01,892 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:14:01,895 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:14:02,049 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 22:14:02,050 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:14:02,075 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:14:02,075 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:14:02,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:14:02 BoogieIcfgContainer [2024-11-08 22:14:02,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:14:02,077 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:14:02,077 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:14:02,088 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:14:02,089 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:14:02" (1/1) ... [2024-11-08 22:14:02,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:14:02,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:02,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-08 22:14:02,163 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-08 22:14:02,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:14:02,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:02,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:14:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:14:02,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:02,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-08 22:14:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-08 22:14:02,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:14:02,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:02,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:14:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:03,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:14:03,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-08 22:14:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-08 22:14:03,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:14:03,557 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-08 22:14:03,574 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:14:03,695 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:14:03,696 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (= |ULTIMATE.start_main_~i~0#1| 1) [2024-11-08 22:14:03,696 INFO L75 FloydHoareUtils]: For program point L19(line 19) no Hoare annotation was computed. [2024-11-08 22:14:03,696 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:14:03,697 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 24 37) the Hoare annotation is: true [2024-11-08 22:14:03,697 INFO L77 FloydHoareUtils]: At program point L30-1(lines 30 35) the Hoare annotation is: (not (and (not (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 1) (= |ULTIMATE.start_main_~i~0#1| 1))) (not (let ((.cse0 (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~k~0#1|))) (and (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= 1 .cse0) (<= .cse0 2)))))) [2024-11-08 22:14:03,697 INFO L77 FloydHoareUtils]: At program point L30-3(lines 30 35) the Hoare annotation is: (not (and (not (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 1) (= |ULTIMATE.start_main_~i~0#1| 1))) (not (let ((.cse0 (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~k~0#1|))) (and (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= 1 .cse0) (<= .cse0 2)))))) [2024-11-08 22:14:03,698 INFO L77 FloydHoareUtils]: At program point L30-4(lines 30 35) the Hoare annotation is: true [2024-11-08 22:14:03,699 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2024-11-08 22:14:03,699 INFO L77 FloydHoareUtils]: At program point L18(lines 18 20) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~k~0#1|))) (and (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= 1 .cse0) (<= .cse0 2))) [2024-11-08 22:14:03,701 INFO L77 FloydHoareUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~k~0#1|))) (and (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= 1 .cse0) (<= .cse0 2))) [2024-11-08 22:14:03,716 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-08 22:14:03,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-08 22:14:03,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~k~0 [2024-11-08 22:14:03,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-08 22:14:03,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~k~0 [2024-11-08 22:14:03,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:14:03 ImpRootNode [2024-11-08 22:14:03,725 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:14:03,726 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:14:03,726 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:14:03,726 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:14:03,727 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:14:02" (3/4) ... [2024-11-08 22:14:03,730 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:14:03,739 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-08 22:14:03,739 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 22:14:03,740 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:14:03,740 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:14:03,864 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:14:03,868 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:14:03,869 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:14:03,870 INFO L158 Benchmark]: Toolchain (without parser) took 2510.76ms. Allocated memory is still 146.8MB. Free memory was 114.9MB in the beginning and 78.7MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 22:14:03,870 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:14:03,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.06ms. Allocated memory is still 146.8MB. Free memory was 114.9MB in the beginning and 102.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:14:03,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.95ms. Allocated memory is still 146.8MB. Free memory was 102.2MB in the beginning and 100.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:14:03,871 INFO L158 Benchmark]: Boogie Preprocessor took 23.73ms. Allocated memory is still 146.8MB. Free memory was 100.9MB in the beginning and 100.1MB in the end (delta: 829.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:14:03,874 INFO L158 Benchmark]: RCFGBuilder took 331.24ms. Allocated memory is still 146.8MB. Free memory was 99.7MB in the beginning and 89.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:14:03,875 INFO L158 Benchmark]: CodeCheck took 1648.29ms. Allocated memory is still 146.8MB. Free memory was 89.7MB in the beginning and 83.6MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 22:14:03,875 INFO L158 Benchmark]: Witness Printer took 142.92ms. Allocated memory is still 146.8MB. Free memory was 83.6MB in the beginning and 78.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:14:03,881 INFO L338 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: 1.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 10 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 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: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: !(!(((0 <= k) && (k <= 1)) && (i == 1)) && !(((2 <= i) && (1 <= ((long long) i + k))) && (((long long) i + k) <= 2))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.06ms. Allocated memory is still 146.8MB. Free memory was 114.9MB in the beginning and 102.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.95ms. Allocated memory is still 146.8MB. Free memory was 102.2MB in the beginning and 100.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.73ms. Allocated memory is still 146.8MB. Free memory was 100.9MB in the beginning and 100.1MB in the end (delta: 829.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 331.24ms. Allocated memory is still 146.8MB. Free memory was 99.7MB in the beginning and 89.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1648.29ms. Allocated memory is still 146.8MB. Free memory was 89.7MB in the beginning and 83.6MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 142.92ms. Allocated memory is still 146.8MB. Free memory was 83.6MB in the beginning and 78.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~k~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~k~0 RESULT: Ultimate proved your program to be correct! [2024-11-08 22:14:03,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8f6bfd9-a71b-41c4-ae44-a028ab3a360f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE