./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/count_by_1.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_c5e0e5c6-5062-461c-ba4f-a256f28d4222/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e0e5c6-5062-461c-ba4f-a256f28d4222/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_c5e0e5c6-5062-461c-ba4f-a256f28d4222/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e0e5c6-5062-461c-ba4f-a256f28d4222/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/count_by_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e0e5c6-5062-461c-ba4f-a256f28d4222/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_c5e0e5c6-5062-461c-ba4f-a256f28d4222/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 14fb22a4db5f29ac6c79e8533b9a516d22dc65273f523f7802f7a661fa835fd1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:43:02,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:43:02,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e0e5c6-5062-461c-ba4f-a256f28d4222/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:43:02,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:43:02,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:43:02,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:43:02,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:43:02,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:43:02,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:43:02,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:43:02,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:43:02,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:43:02,691 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:43:02,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:43:02,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:43:02,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:43:02,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:43:02,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:43:02,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:43:02,699 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:43:02,700 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:43:02,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:43:02,701 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:43:02,701 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:43:02,702 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:43:02,703 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:43:02,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:43:02,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:43:02,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:43:02,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:43:02,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:43:02,707 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:43:02,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:43:02,707 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_c5e0e5c6-5062-461c-ba4f-a256f28d4222/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e0e5c6-5062-461c-ba4f-a256f28d4222/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14fb22a4db5f29ac6c79e8533b9a516d22dc65273f523f7802f7a661fa835fd1 [2024-11-08 23:43:02,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:43:03,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:43:03,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:43:03,031 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:43:03,032 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:43:03,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e0e5c6-5062-461c-ba4f-a256f28d4222/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-new/count_by_1.i Unable to find full path for "g++" [2024-11-08 23:43:05,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:43:05,218 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:43:05,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e0e5c6-5062-461c-ba4f-a256f28d4222/sv-benchmarks/c/loop-new/count_by_1.i [2024-11-08 23:43:05,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e0e5c6-5062-461c-ba4f-a256f28d4222/bin/ukojak-verify-ImItNfHLgk/data/59e994d53/c5c53d6a43ce476397f26cac69315712/FLAG42961bdea [2024-11-08 23:43:05,240 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e0e5c6-5062-461c-ba4f-a256f28d4222/bin/ukojak-verify-ImItNfHLgk/data/59e994d53/c5c53d6a43ce476397f26cac69315712 [2024-11-08 23:43:05,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:43:05,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:43:05,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:43:05,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:43:05,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:43:05,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:43:05" (1/1) ... [2024-11-08 23:43:05,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1c8308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:43:05, skipping insertion in model container [2024-11-08 23:43:05,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:43:05" (1/1) ... [2024-11-08 23:43:05,277 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:43:05,459 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_c5e0e5c6-5062-461c-ba4f-a256f28d4222/sv-benchmarks/c/loop-new/count_by_1.i[891,904] [2024-11-08 23:43:05,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:43:05,478 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:43:05,489 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_c5e0e5c6-5062-461c-ba4f-a256f28d4222/sv-benchmarks/c/loop-new/count_by_1.i[891,904] [2024-11-08 23:43:05,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:43:05,508 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:43:05,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:43:05 WrapperNode [2024-11-08 23:43:05,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:43:05,510 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:43:05,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:43:05,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:43:05,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:43:05" (1/1) ... [2024-11-08 23:43:05,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:43:05" (1/1) ... [2024-11-08 23:43:05,536 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-11-08 23:43:05,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:43:05,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:43:05,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:43:05,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:43:05,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:43:05" (1/1) ... [2024-11-08 23:43:05,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:43:05" (1/1) ... [2024-11-08 23:43:05,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:43:05" (1/1) ... [2024-11-08 23:43:05,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:43:05" (1/1) ... [2024-11-08 23:43:05,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:43:05" (1/1) ... [2024-11-08 23:43:05,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:43:05" (1/1) ... [2024-11-08 23:43:05,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:43:05" (1/1) ... [2024-11-08 23:43:05,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:43:05" (1/1) ... [2024-11-08 23:43:05,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:43:05,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:43:05,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:43:05,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:43:05,561 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:43:05" (1/1) ... [2024-11-08 23:43:05,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:43:05,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e0e5c6-5062-461c-ba4f-a256f28d4222/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:43:05,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e0e5c6-5062-461c-ba4f-a256f28d4222/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:43:05,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e0e5c6-5062-461c-ba4f-a256f28d4222/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:43:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:43:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:43:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:43:05,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:43:05,676 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:43:05,677 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:43:05,766 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 23:43:05,766 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:43:05,791 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:43:05,791 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:43:05,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:43:05 BoogieIcfgContainer [2024-11-08 23:43:05,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:43:05,793 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:43:05,793 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:43:05,805 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:43:05,805 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:43:05" (1/1) ... [2024-11-08 23:43:05,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:43:05,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:05,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:43:05,940 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:43:05,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:43:05,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:05,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:43:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:06,120 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 23:43:06,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:06,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-08 23:43:06,169 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-08 23:43:06,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:43:06,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:06,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:43:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:06,225 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 23:43:06,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:06,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-08 23:43:06,260 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-08 23:43:06,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:43:06,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:06,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:43:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:06,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:43:06,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:06,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-08 23:43:06,455 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-08 23:43:06,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:43:06,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:06,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:43:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:06,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:43:06,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:06,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 23:43:06,569 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 23:43:06,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:43:06,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:06,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:43:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:43:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-08 23:43:06,940 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-08 23:43:06,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:43:06,941 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-08 23:43:06,953 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:43:07,004 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:43:07,004 INFO L75 FloydHoareUtils]: For program point L19(line 19) no Hoare annotation was computed. [2024-11-08 23:43:07,004 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:43:07,005 INFO L77 FloydHoareUtils]: At program point L26-1(line 26) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 999999) [2024-11-08 23:43:07,005 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2024-11-08 23:43:07,006 INFO L77 FloydHoareUtils]: At program point L26-3(line 26) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 1000000) [2024-11-08 23:43:07,006 INFO L77 FloydHoareUtils]: At program point L26-4(line 26) the Hoare annotation is: (= 1000000 |ULTIMATE.start_main_~i~0#1|) [2024-11-08 23:43:07,006 INFO L77 FloydHoareUtils]: At program point L18(lines 18 20) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-08 23:43:07,007 INFO L77 FloydHoareUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2024-11-08 23:43:07,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:43:07 ImpRootNode [2024-11-08 23:43:07,020 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:43:07,021 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:43:07,021 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:43:07,022 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:43:07,022 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:43:05" (3/4) ... [2024-11-08 23:43:07,025 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:43:07,035 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-08 23:43:07,036 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 23:43:07,036 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 23:43:07,036 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:43:07,144 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e0e5c6-5062-461c-ba4f-a256f28d4222/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:43:07,145 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e0e5c6-5062-461c-ba4f-a256f28d4222/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:43:07,145 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:43:07,146 INFO L158 Benchmark]: Toolchain (without parser) took 1901.54ms. Allocated memory is still 132.1MB. Free memory was 93.1MB in the beginning and 60.0MB in the end (delta: 33.1MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-11-08 23:43:07,147 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:43:07,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.37ms. Allocated memory is still 132.1MB. Free memory was 92.7MB in the beginning and 80.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:43:07,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.07ms. Allocated memory is still 132.1MB. Free memory was 80.5MB in the beginning and 79.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:43:07,148 INFO L158 Benchmark]: Boogie Preprocessor took 21.93ms. Allocated memory is still 132.1MB. Free memory was 79.3MB in the beginning and 78.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:43:07,151 INFO L158 Benchmark]: RCFGBuilder took 232.62ms. Allocated memory is still 132.1MB. Free memory was 78.0MB in the beginning and 68.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:43:07,152 INFO L158 Benchmark]: CodeCheck took 1227.23ms. Allocated memory is still 132.1MB. Free memory was 68.6MB in the beginning and 64.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-08 23:43:07,152 INFO L158 Benchmark]: Witness Printer took 124.13ms. Allocated memory is still 132.1MB. Free memory was 64.1MB in the beginning and 60.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:43:07,159 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 25 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 224 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 6/7 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: 26]: Loop Invariant Derived loop invariant: (i <= 1000000) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.37ms. Allocated memory is still 132.1MB. Free memory was 92.7MB in the beginning and 80.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.07ms. Allocated memory is still 132.1MB. Free memory was 80.5MB in the beginning and 79.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.93ms. Allocated memory is still 132.1MB. Free memory was 79.3MB in the beginning and 78.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 232.62ms. Allocated memory is still 132.1MB. Free memory was 78.0MB in the beginning and 68.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1227.23ms. Allocated memory is still 132.1MB. Free memory was 68.6MB in the beginning and 64.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Witness Printer took 124.13ms. Allocated memory is still 132.1MB. Free memory was 64.1MB in the beginning and 60.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:43:07,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5e0e5c6-5062-461c-ba4f-a256f28d4222/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