./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/skippedu.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b162c853-8a2b-45ec-8f94-fad68a446c15/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b162c853-8a2b-45ec-8f94-fad68a446c15/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_b162c853-8a2b-45ec-8f94-fad68a446c15/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b162c853-8a2b-45ec-8f94-fad68a446c15/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/skippedu.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b162c853-8a2b-45ec-8f94-fad68a446c15/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_b162c853-8a2b-45ec-8f94-fad68a446c15/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 578aa1ed819483237cae7cb7b17bc18e9dfff9e081f63e5821fc4a918d7ba90e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:39,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:39,188 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b162c853-8a2b-45ec-8f94-fad68a446c15/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:05:39,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:39,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:39,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:39,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:39,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:39,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:39,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:39,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:39,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:39,280 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:05:39,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:39,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:05:39,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:39,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:39,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:39,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:39,285 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:39,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:05:39,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:39,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:39,290 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:39,290 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:39,290 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:39,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:39,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:39,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:39,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:39,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:39,292 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:39,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:39,296 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_b162c853-8a2b-45ec-8f94-fad68a446c15/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b162c853-8a2b-45ec-8f94-fad68a446c15/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 578aa1ed819483237cae7cb7b17bc18e9dfff9e081f63e5821fc4a918d7ba90e [2024-11-08 22:05:39,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:39,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:39,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:39,688 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:39,689 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:39,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b162c853-8a2b-45ec-8f94-fad68a446c15/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/array-tiling/skippedu.c Unable to find full path for "g++" [2024-11-08 22:05:41,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:41,925 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:41,926 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b162c853-8a2b-45ec-8f94-fad68a446c15/sv-benchmarks/c/array-tiling/skippedu.c [2024-11-08 22:05:41,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b162c853-8a2b-45ec-8f94-fad68a446c15/bin/ukojak-verify-ImItNfHLgk/data/80a6bdbc5/29c4e4ff1ab942789c8df45ec463bb2f/FLAG8ad4829d5 [2024-11-08 22:05:41,995 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b162c853-8a2b-45ec-8f94-fad68a446c15/bin/ukojak-verify-ImItNfHLgk/data/80a6bdbc5/29c4e4ff1ab942789c8df45ec463bb2f [2024-11-08 22:05:42,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:42,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:42,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:42,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:42,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:42,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21abf0f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42, skipping insertion in model container [2024-11-08 22:05:42,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,071 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:42,304 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_b162c853-8a2b-45ec-8f94-fad68a446c15/sv-benchmarks/c/array-tiling/skippedu.c[399,412] [2024-11-08 22:05:42,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:42,362 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:42,378 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_b162c853-8a2b-45ec-8f94-fad68a446c15/sv-benchmarks/c/array-tiling/skippedu.c[399,412] [2024-11-08 22:05:42,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:42,425 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:42,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42 WrapperNode [2024-11-08 22:05:42,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:42,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:42,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:42,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:42,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,474 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-11-08 22:05:42,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:42,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:42,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:42,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:42,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,518 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:42,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:42,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:42,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:42,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:42,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b162c853-8a2b-45ec-8f94-fad68a446c15/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:42,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b162c853-8a2b-45ec-8f94-fad68a446c15/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:42,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b162c853-8a2b-45ec-8f94-fad68a446c15/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:42,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:42,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:05:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:05:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:05:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:42,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:05:42,782 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:42,789 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:43,129 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:43,130 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:43,253 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:43,253 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:05:43,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:43 BoogieIcfgContainer [2024-11-08 22:05:43,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:43,255 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:43,255 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:43,268 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:43,268 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:43,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:43,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2024-11-08 22:05:43,394 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2024-11-08 22:05:43,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:05:43,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:43,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:43,790 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 22:05:43,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:43,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-08 22:05:43,865 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-08 22:05:43,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:05:43,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:43,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:43,994 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 22:05:44,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:44,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-08 22:05:44,057 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-08 22:05:44,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:05:44,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:44,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:44,233 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 22:05:44,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:44,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-08 22:05:44,309 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-08 22:05:44,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:05:44,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:44,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:44,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:05:45,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:45,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-08 22:05:45,089 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-08 22:05:45,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:05:45,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:45,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:45,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:05:45,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:45,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 22:05:45,379 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 22:05:45,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:05:45,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:45,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:45,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:45,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:45,613 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-08 22:05:45,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:45 ImpRootNode [2024-11-08 22:05:45,669 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:45,669 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:45,670 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:45,670 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:45,671 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:43" (3/4) ... [2024-11-08 22:05:45,672 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:05:45,745 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b162c853-8a2b-45ec-8f94-fad68a446c15/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:05:45,745 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:45,746 INFO L158 Benchmark]: Toolchain (without parser) took 3730.75ms. Allocated memory is still 165.7MB. Free memory was 137.4MB in the beginning and 67.1MB in the end (delta: 70.3MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2024-11-08 22:05:45,747 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 119.5MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:45,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.17ms. Allocated memory is still 165.7MB. Free memory was 137.4MB in the beginning and 124.6MB in the end (delta: 12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:05:45,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.70ms. Allocated memory is still 165.7MB. Free memory was 124.6MB in the beginning and 123.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:45,748 INFO L158 Benchmark]: Boogie Preprocessor took 49.98ms. Allocated memory is still 165.7MB. Free memory was 123.1MB in the beginning and 121.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:45,752 INFO L158 Benchmark]: RCFGBuilder took 727.58ms. Allocated memory is still 165.7MB. Free memory was 121.8MB in the beginning and 105.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:05:45,753 INFO L158 Benchmark]: CodeCheck took 2414.06ms. Allocated memory is still 165.7MB. Free memory was 105.1MB in the beginning and 70.3MB in the end (delta: 34.7MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2024-11-08 22:05:45,753 INFO L158 Benchmark]: Witness Printer took 75.88ms. Allocated memory is still 165.7MB. Free memory was 70.3MB in the beginning and 67.1MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:45,759 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, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 173 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 161 IncrementalHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 80 mSDtfsCounter, 161 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 477 GetRequests, 452 SyntacticMatches, 7 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 220 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 8/9 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 - CounterExampleResult [Line: 8]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L12] int SIZE; [L14] const int MAX = 100000; [L18] SIZE = __VERIFIER_nondet_int() [L19] COND TRUE SIZE > 1 && SIZE < MAX [L21] int i; [L22] int *a = malloc(sizeof(int)*SIZE); [L24] i = 0 VAL [MAX=100000, SIZE=2, a={-1:0}, i=0] [L24] COND FALSE !(i < SIZE) VAL [MAX=100000, SIZE=2, a={-1:0}, i=0] [L24] COND TRUE i < SIZE [L26] a[i] = __VERIFIER_nondet_int() [L24] i++ VAL [MAX=100000, SIZE=2, a={-1:0}, i=1] [L24] COND FALSE !(i < SIZE) VAL [MAX=100000, SIZE=2, a={-1:0}, i=1] [L24] COND TRUE i < SIZE [L26] a[i] = __VERIFIER_nondet_int() [L24] i++ VAL [MAX=100000, SIZE=2, a={-1:0}, i=2] [L24] COND TRUE i < SIZE VAL [MAX=100000, SIZE=2, a={-1:0}] [L29] COND FALSE !(SIZE % 2 != 0) [L31] CALL assume_abort_if_not(SIZE % 2 == 0) [L6] COND FALSE !(!cond) [L31] RET assume_abort_if_not(SIZE % 2 == 0) [L32] i = 1 VAL [MAX=100000, SIZE=2, a={-1:0}, i=1] [L32] COND FALSE !(i <= SIZE/2) VAL [MAX=100000, SIZE=2, a={-1:0}, i=1] [L32] COND TRUE i <= SIZE/2 [L34] EXPR a[2*i-2] [L34] COND FALSE !(a[2*i-2] > i) [L38] EXPR a[2*i-1] [L38] COND TRUE a[2*i-1] > i [L40] a[2*i-1] = 2*i-1 [L32] i++ VAL [MAX=100000, SIZE=2, a={-1:0}, i=2] [L32] COND TRUE i <= SIZE/2 VAL [MAX=100000, SIZE=2, a={-1:0}] [L44] i = 0 VAL [MAX=100000, SIZE=2, a={-1:0}, i=0] [L44] COND FALSE !(i < SIZE) VAL [MAX=100000, SIZE=2, a={-1:0}, i=0] [L44] COND TRUE i < SIZE [L46] EXPR a[i] [L46] CALL __VERIFIER_assert( a[i] <= i ) [L8] COND TRUE !(cond) VAL [MAX=100000, SIZE=2] [L8] reach_error() VAL [MAX=100000, SIZE=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 119.5MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.17ms. Allocated memory is still 165.7MB. Free memory was 137.4MB in the beginning and 124.6MB in the end (delta: 12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.70ms. Allocated memory is still 165.7MB. Free memory was 124.6MB in the beginning and 123.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.98ms. Allocated memory is still 165.7MB. Free memory was 123.1MB in the beginning and 121.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 727.58ms. Allocated memory is still 165.7MB. Free memory was 121.8MB in the beginning and 105.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2414.06ms. Allocated memory is still 165.7MB. Free memory was 105.1MB in the beginning and 70.3MB in the end (delta: 34.7MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Witness Printer took 75.88ms. Allocated memory is still 165.7MB. Free memory was 70.3MB in the beginning and 67.1MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 22:05:45,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b162c853-8a2b-45ec-8f94-fad68a446c15/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE