./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i --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_afe3ec4f-f6d9-478f-bd47-b406174de61d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe3ec4f-f6d9-478f-bd47-b406174de61d/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_afe3ec4f-f6d9-478f-bd47-b406174de61d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe3ec4f-f6d9-478f-bd47-b406174de61d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe3ec4f-f6d9-478f-bd47-b406174de61d/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_afe3ec4f-f6d9-478f-bd47-b406174de61d/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 0414607cdfaf86248673acc731020b311087823754eb03e229e19e48245fa120 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:33:33,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:33:33,303 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe3ec4f-f6d9-478f-bd47-b406174de61d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:33:33,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:33:33,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:33:33,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:33:33,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:33:33,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:33:33,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:33:33,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:33:33,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:33:33,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:33:33,385 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:33:33,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:33:33,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:33:33,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:33:33,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:33:33,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:33:33,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:33:33,390 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:33:33,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:33:33,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:33:33,395 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:33:33,395 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:33:33,395 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:33:33,396 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:33:33,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:33:33,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:33:33,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:33:33,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:33:33,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:33:33,420 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:33:33,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:33:33,420 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_afe3ec4f-f6d9-478f-bd47-b406174de61d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe3ec4f-f6d9-478f-bd47-b406174de61d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0414607cdfaf86248673acc731020b311087823754eb03e229e19e48245fa120 [2024-11-08 19:33:33,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:33:33,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:33:33,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:33:33,870 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:33:33,871 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:33:33,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe3ec4f-f6d9-478f-bd47-b406174de61d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i Unable to find full path for "g++" [2024-11-08 19:33:36,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:33:36,777 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:33:36,777 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe3ec4f-f6d9-478f-bd47-b406174de61d/sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i [2024-11-08 19:33:36,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe3ec4f-f6d9-478f-bd47-b406174de61d/bin/ukojak-verify-ImItNfHLgk/data/f8aa5cdac/23f8989059a14bbeaf69c846f1fb9182/FLAG6d1314ca8 [2024-11-08 19:33:36,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe3ec4f-f6d9-478f-bd47-b406174de61d/bin/ukojak-verify-ImItNfHLgk/data/f8aa5cdac/23f8989059a14bbeaf69c846f1fb9182 [2024-11-08 19:33:36,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:33:36,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:33:36,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:33:36,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:33:36,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:33:36,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:33:36" (1/1) ... [2024-11-08 19:33:36,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555ae8c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:36, skipping insertion in model container [2024-11-08 19:33:36,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:33:36" (1/1) ... [2024-11-08 19:33:36,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:33:37,113 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_afe3ec4f-f6d9-478f-bd47-b406174de61d/sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i[873,886] [2024-11-08 19:33:37,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:33:37,141 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:33:37,156 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_afe3ec4f-f6d9-478f-bd47-b406174de61d/sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i[873,886] [2024-11-08 19:33:37,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:33:37,183 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:33:37,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:37 WrapperNode [2024-11-08 19:33:37,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:33:37,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:33:37,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:33:37,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:33:37,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:37" (1/1) ... [2024-11-08 19:33:37,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:37" (1/1) ... [2024-11-08 19:33:37,224 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2024-11-08 19:33:37,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:33:37,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:33:37,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:33:37,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:33:37,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:37" (1/1) ... [2024-11-08 19:33:37,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:37" (1/1) ... [2024-11-08 19:33:37,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:37" (1/1) ... [2024-11-08 19:33:37,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:37" (1/1) ... [2024-11-08 19:33:37,270 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:37" (1/1) ... [2024-11-08 19:33:37,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:37" (1/1) ... [2024-11-08 19:33:37,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:37" (1/1) ... [2024-11-08 19:33:37,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:37" (1/1) ... [2024-11-08 19:33:37,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:33:37,281 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:33:37,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:33:37,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:33:37,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:33:37" (1/1) ... [2024-11-08 19:33:37,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:33:37,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe3ec4f-f6d9-478f-bd47-b406174de61d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:33:37,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe3ec4f-f6d9-478f-bd47-b406174de61d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:33:37,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe3ec4f-f6d9-478f-bd47-b406174de61d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:33:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:33:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:33:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:33:37,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:33:37,491 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:33:37,494 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:33:37,791 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-08 19:33:37,794 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:33:37,847 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:33:37,848 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:33:37,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:33:37 BoogieIcfgContainer [2024-11-08 19:33:37,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:33:37,851 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:33:37,851 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:33:37,866 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:33:37,867 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:33:37" (1/1) ... [2024-11-08 19:33:37,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:33:37,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:37,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-08 19:33:37,974 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-08 19:33:37,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:33:37,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:37,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:33:38,247 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 19:33:38,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:38,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-08 19:33:38,341 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-08 19:33:38,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:33:38,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:38,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:33:38,442 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 19:33:38,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:38,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-08 19:33:38,481 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-08 19:33:38,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:33:38,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:38,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:33:38,958 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 19:33:39,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:39,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2024-11-08 19:33:39,430 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2024-11-08 19:33:39,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:33:39,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:39,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:33:39,603 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 19:33:39,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:39,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-08 19:33:39,822 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-08 19:33:39,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:33:39,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:39,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:33:40,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:33:40,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:40,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-08 19:33:40,835 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-08 19:33:40,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:33:40,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:40,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:33:41,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:33:41,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:41,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-08 19:33:41,578 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-08 19:33:41,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 19:33:41,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:41,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:33:41,819 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 19:33:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-08 19:33:42,069 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-08 19:33:42,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 19:33:42,069 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-08 19:33:42,081 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 19:33:42,302 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 19:33:42,302 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: true [2024-11-08 19:33:42,303 INFO L77 FloydHoareUtils]: At program point L15(lines 15 17) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-08 19:33:42,304 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 19:33:42,304 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 19 29) the Hoare annotation is: true [2024-11-08 19:33:42,305 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2024-11-08 19:33:42,306 INFO L77 FloydHoareUtils]: At program point L24-1(lines 24 26) the Hoare annotation is: (let ((.cse0 (= (+ |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1|) |ULTIMATE.start_main_~n~0#1|))) (or (and (< 0 |ULTIMATE.start_main_~j~0#1|) .cse0 (<= 1 |ULTIMATE.start_main_~k~0#1|)) (and (<= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~k~0#1|) (<= 1 |ULTIMATE.start_main_~n~0#1|) .cse0))) [2024-11-08 19:33:42,307 INFO L77 FloydHoareUtils]: At program point L24-3(lines 24 26) the Hoare annotation is: (let ((.cse0 (= (+ |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1|) |ULTIMATE.start_main_~n~0#1|))) (or (and (<= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~k~0#1|) (<= 1 |ULTIMATE.start_main_~n~0#1|) .cse0) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (< 0 |ULTIMATE.start_main_~j~0#1|) .cse0))) [2024-11-08 19:33:42,307 INFO L77 FloydHoareUtils]: At program point L24-4(lines 24 26) the Hoare annotation is: (= |ULTIMATE.start_main_~k~0#1| 0) [2024-11-08 19:33:42,307 INFO L75 FloydHoareUtils]: For program point L16(line 16) no Hoare annotation was computed. [2024-11-08 19:33:42,308 INFO L77 FloydHoareUtils]: At program point L14(lines 14 18) the Hoare annotation is: true [2024-11-08 19:33:42,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:33:42 ImpRootNode [2024-11-08 19:33:42,333 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:33:42,335 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:33:42,335 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:33:42,336 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:33:42,337 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:33:37" (3/4) ... [2024-11-08 19:33:42,340 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 19:33:42,352 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-08 19:33:42,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 19:33:42,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 19:33:42,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 19:33:42,499 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe3ec4f-f6d9-478f-bd47-b406174de61d/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:33:42,500 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe3ec4f-f6d9-478f-bd47-b406174de61d/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 19:33:42,500 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:33:42,501 INFO L158 Benchmark]: Toolchain (without parser) took 5681.06ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 108.2MB in the beginning and 172.3MB in the end (delta: -64.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:33:42,501 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 172.0MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:33:42,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.92ms. Allocated memory is still 172.0MB. Free memory was 108.1MB in the beginning and 95.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:33:42,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.39ms. Allocated memory is still 172.0MB. Free memory was 95.5MB in the beginning and 94.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:33:42,504 INFO L158 Benchmark]: Boogie Preprocessor took 54.16ms. Allocated memory is still 172.0MB. Free memory was 94.1MB in the beginning and 141.4MB in the end (delta: -47.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-11-08 19:33:42,505 INFO L158 Benchmark]: RCFGBuilder took 568.61ms. Allocated memory is still 172.0MB. Free memory was 141.4MB in the beginning and 136.2MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 19:33:42,508 INFO L158 Benchmark]: CodeCheck took 4482.82ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 136.2MB in the beginning and 176.5MB in the end (delta: -40.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:33:42,508 INFO L158 Benchmark]: Witness Printer took 165.05ms. Allocated memory is still 209.7MB. Free memory was 176.5MB in the beginning and 172.3MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:33:42,511 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 141 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 354 IncrementalHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 49 mSDtfsCounter, 354 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 512 GetRequests, 452 SyntacticMatches, 14 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 8/20 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 16]: 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: 24]: Loop Invariant Derived loop invariant: ((((n <= k) && (1 <= n)) && (((long long) j + k) == n)) || (((0 <= k) && (0 < j)) && (((long long) j + k) == n))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 172.0MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.92ms. Allocated memory is still 172.0MB. Free memory was 108.1MB in the beginning and 95.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.39ms. Allocated memory is still 172.0MB. Free memory was 95.5MB in the beginning and 94.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.16ms. Allocated memory is still 172.0MB. Free memory was 94.1MB in the beginning and 141.4MB in the end (delta: -47.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * RCFGBuilder took 568.61ms. Allocated memory is still 172.0MB. Free memory was 141.4MB in the beginning and 136.2MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 4482.82ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 136.2MB in the beginning and 176.5MB in the end (delta: -40.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 165.05ms. Allocated memory is still 209.7MB. Free memory was 176.5MB in the beginning and 172.3MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 19:33:42,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe3ec4f-f6d9-478f-bd47-b406174de61d/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