./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ms4f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ms4f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b --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 1041c37fd0d76b4316bbd28c981d57c8766628afe4ada50323b80c8a8a735d61 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:03:20,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:03:20,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:03:20,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:03:20,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:03:20,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:03:20,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:03:20,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:03:20,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:03:20,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:03:20,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:03:20,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:03:20,303 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:03:20,303 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:03:20,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:03:20,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:03:20,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:03:20,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:03:20,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:03:20,304 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:03:20,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:03:20,304 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:03:20,304 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:03:20,304 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:03:20,305 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:03:20,305 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:03:20,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:03:20,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:03:20,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:03:20,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:03:20,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:03:20,305 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:03:20,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:03:20,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b 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 -> 1041c37fd0d76b4316bbd28c981d57c8766628afe4ada50323b80c8a8a735d61 [2024-12-06 03:03:20,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:03:20,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:03:20,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:03:20,518 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:03:20,519 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:03:20,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-fpi/ms4f.c [2024-12-06 03:03:23,226 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b/data/fb87355df/ac9b469efa0342feb48e100455b8b862/FLAGbffcbe040 [2024-12-06 03:03:23,441 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:03:23,442 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/sv-benchmarks/c/array-fpi/ms4f.c [2024-12-06 03:03:23,448 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b/data/fb87355df/ac9b469efa0342feb48e100455b8b862/FLAGbffcbe040 [2024-12-06 03:03:23,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b/data/fb87355df/ac9b469efa0342feb48e100455b8b862 [2024-12-06 03:03:23,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:03:23,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:03:23,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:03:23,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:03:23,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:03:23,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:03:23" (1/1) ... [2024-12-06 03:03:23,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d1fe68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:03:23, skipping insertion in model container [2024-12-06 03:03:23,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:03:23" (1/1) ... [2024-12-06 03:03:23,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:03:23,616 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_0fcf0d39-4e10-4b84-a167-15d9823d930b/sv-benchmarks/c/array-fpi/ms4f.c[587,600] [2024-12-06 03:03:23,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:03:23,646 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:03:23,658 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_0fcf0d39-4e10-4b84-a167-15d9823d930b/sv-benchmarks/c/array-fpi/ms4f.c[587,600] [2024-12-06 03:03:23,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:03:23,679 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:03:23,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:03:23 WrapperNode [2024-12-06 03:03:23,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:03:23,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:03:23,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:03:23,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:03:23,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:03:23" (1/1) ... [2024-12-06 03:03:23,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:03:23" (1/1) ... [2024-12-06 03:03:23,711 INFO L138 Inliner]: procedures = 17, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-12-06 03:03:23,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:03:23,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:03:23,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:03:23,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:03:23,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:03:23" (1/1) ... [2024-12-06 03:03:23,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:03:23" (1/1) ... [2024-12-06 03:03:23,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:03:23" (1/1) ... [2024-12-06 03:03:23,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:03:23" (1/1) ... [2024-12-06 03:03:23,726 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:03:23" (1/1) ... [2024-12-06 03:03:23,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:03:23" (1/1) ... [2024-12-06 03:03:23,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:03:23" (1/1) ... [2024-12-06 03:03:23,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:03:23" (1/1) ... [2024-12-06 03:03:23,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:03:23" (1/1) ... [2024-12-06 03:03:23,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:03:23,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:03:23,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:03:23,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:03:23,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:03:23" (1/1) ... [2024-12-06 03:03:23,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:03:23,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:03:23,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:03:23,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:03:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:03:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:03:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:03:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 03:03:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 03:03:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:03:23,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:03:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 03:03:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:03:23,852 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:03:23,854 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:03:23,982 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-06 03:03:23,982 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:03:24,030 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:03:24,030 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:03:24,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:03:24 BoogieIcfgContainer [2024-12-06 03:03:24,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:03:24,031 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:03:24,031 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:03:24,038 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:03:24,038 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:03:24" (1/1) ... [2024-12-06 03:03:24,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:03:24,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:24,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-12-06 03:03:24,082 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-12-06 03:03:24,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:03:24,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:24,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:03:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:24,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:03:24,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:24,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-12-06 03:03:24,331 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-12-06 03:03:24,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:03:24,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:24,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:03:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:24,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 03:03:24,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:24,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-06 03:03:24,490 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-06 03:03:24,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:03:24,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:24,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:03:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:03:24,527 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:03:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:03:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:03:24,599 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:03:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:03:24,624 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-06 03:03:24,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:03:24 ImpRootNode [2024-12-06 03:03:24,649 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:03:24,650 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:03:24,650 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:03:24,650 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:03:24,651 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:03:24" (3/4) ... [2024-12-06 03:03:24,651 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:03:24,678 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 12. [2024-12-06 03:03:24,726 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:03:24,726 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:03:24,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:03:24,727 INFO L158 Benchmark]: Toolchain (without parser) took 1262.61ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 111.0MB in the end (delta: 6.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-12-06 03:03:24,727 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:03:24,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.86ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 105.5MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:03:24,728 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.33ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:03:24,728 INFO L158 Benchmark]: Boogie Preprocessor took 21.99ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.4MB in the end (delta: 846.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:03:24,728 INFO L158 Benchmark]: RCFGBuilder took 296.18ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 89.2MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:03:24,729 INFO L158 Benchmark]: CodeCheck took 618.47ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 115.3MB in the end (delta: -26.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-12-06 03:03:24,729 INFO L158 Benchmark]: Witness Printer took 76.43ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 111.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:03:24,731 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, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 8 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [N=1, a={-1:0}, i=0, sum={17725:0}] [L31] COND TRUE i 3*N) [L15] COND TRUE !(cond) VAL [N=1] [L15] reach_error() VAL [N=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.86ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 105.5MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.33ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.99ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.4MB in the end (delta: 846.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.18ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 89.2MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 618.47ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 115.3MB in the end (delta: -26.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 76.43ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 111.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:03:24,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fcf0d39-4e10-4b84-a167-15d9823d930b/bin/ukojak-verify-CZk0znPC7b/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE