./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound1.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_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/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_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/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_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/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 bd4ff7f95c7aab1abb3428488ee9247a9f3cbeb30d436182472263a0c2dcf758 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:10:12,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:10:12,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:10:12,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:10:12,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:10:12,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:10:12,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:10:12,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:10:12,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:10:12,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:10:12,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:10:12,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:10:12,400 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:10:12,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:10:12,401 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:10:12,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:10:12,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:10:12,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:10:12,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:10:12,401 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:10:12,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:10:12,401 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:10:12,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:10:12,402 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:10:12,402 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:10:12,402 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:10:12,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:10:12,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:10:12,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:10:12,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:10:12,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:10:12,403 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:10:12,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:10:12,403 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_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/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 -> bd4ff7f95c7aab1abb3428488ee9247a9f3cbeb30d436182472263a0c2dcf758 [2024-12-05 22:10:12,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:10:12,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:10:12,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:10:12,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:10:12,673 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:10:12,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound1.c [2024-12-05 22:10:15,794 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/bin/ukojak-verify-CZk0znPC7b/data/f5a80f7e6/7718536be32e45cdb1452ac72f9ee17b/FLAGf7d2a8ec4 [2024-12-05 22:10:16,022 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:10:16,023 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound1.c [2024-12-05 22:10:16,032 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/bin/ukojak-verify-CZk0znPC7b/data/f5a80f7e6/7718536be32e45cdb1452ac72f9ee17b/FLAGf7d2a8ec4 [2024-12-05 22:10:16,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/bin/ukojak-verify-CZk0znPC7b/data/f5a80f7e6/7718536be32e45cdb1452ac72f9ee17b [2024-12-05 22:10:16,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:10:16,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:10:16,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:10:16,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:10:16,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:10:16,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:10:16" (1/1) ... [2024-12-05 22:10:16,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d55e57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:16, skipping insertion in model container [2024-12-05 22:10:16,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:10:16" (1/1) ... [2024-12-05 22:10:16,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:10:16,248 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_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound1.c[458,471] [2024-12-05 22:10:16,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:10:16,280 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:10:16,293 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_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound1.c[458,471] [2024-12-05 22:10:16,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:10:16,318 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:10:16,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:16 WrapperNode [2024-12-05 22:10:16,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:10:16,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:10:16,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:10:16,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:10:16,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:16" (1/1) ... [2024-12-05 22:10:16,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:16" (1/1) ... [2024-12-05 22:10:16,354 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-12-05 22:10:16,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:10:16,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:10:16,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:10:16,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:10:16,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:16" (1/1) ... [2024-12-05 22:10:16,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:16" (1/1) ... [2024-12-05 22:10:16,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:16" (1/1) ... [2024-12-05 22:10:16,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:16" (1/1) ... [2024-12-05 22:10:16,369 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:16" (1/1) ... [2024-12-05 22:10:16,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:16" (1/1) ... [2024-12-05 22:10:16,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:16" (1/1) ... [2024-12-05 22:10:16,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:16" (1/1) ... [2024-12-05 22:10:16,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:16" (1/1) ... [2024-12-05 22:10:16,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:10:16,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:10:16,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:10:16,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:10:16,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:10:16" (1/1) ... [2024-12-05 22:10:16,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:10:16,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:10:16,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:10:16,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:10:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:10:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:10:16,452 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:10:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:10:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:10:16,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:10:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:10:16,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:10:16,517 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:10:16,519 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:10:16,655 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 22:10:16,655 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:10:16,683 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:10:16,683 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:10:16,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:10:16 BoogieIcfgContainer [2024-12-05 22:10:16,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:10:16,684 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:10:16,684 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:10:16,696 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:10:16,696 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:10:16" (1/1) ... [2024-12-05 22:10:16,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:10:16,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:16,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-05 22:10:16,764 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-05 22:10:16,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:10:16,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:16,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:16,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 22:10:16,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:17,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:10:17,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:17,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-05 22:10:17,145 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-05 22:10:17,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:10:17,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:17,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:17,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:10:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-05 22:10:17,764 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-05 22:10:17,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:10:17,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:17,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:17,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:10:17,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:17,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:10:21,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:10:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-12-05 22:10:21,240 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-12-05 22:10:21,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:10:21,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:21,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:21,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:10:21,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:21,308 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 22:10:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:21,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-12-05 22:10:21,364 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-05 22:10:21,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:10:21,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:21,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:21,558 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 22:10:22,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:22,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 24 states and 30 transitions. [2024-12-05 22:10:22,148 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-12-05 22:10:22,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:10:22,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:10:22,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:10:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:10:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:22,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:10:22,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:10:22,335 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:10:23,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:10:23,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 20 states and 26 transitions. [2024-12-05 22:10:23,069 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-12-05 22:10:23,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 22:10:23,070 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-05 22:10:23,075 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 22:10:23,214 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 22:10:23,215 INFO L77 FloydHoareUtils]: At program point L29(lines 28 37) the Hoare annotation is: (= (+ (* 30 |ULTIMATE.start_main_~x~0#1|) |ULTIMATE.start_main_~y~0#1|) (+ (* 6 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 10) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 15))) [2024-12-05 22:10:23,215 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: true [2024-12-05 22:10:23,215 INFO L77 FloydHoareUtils]: At program point L21-1(line 21) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 1)) [2024-12-05 22:10:23,215 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 22:10:23,215 INFO L77 FloydHoareUtils]: At program point L40(line 40) the Hoare annotation is: true [2024-12-05 22:10:23,215 INFO L77 FloydHoareUtils]: At program point L28-2(lines 28 37) the Hoare annotation is: true [2024-12-05 22:10:23,215 INFO L77 FloydHoareUtils]: At program point L28-3(lines 28 37) the Hoare annotation is: (= (+ (* 30 |ULTIMATE.start_main_~x~0#1|) |ULTIMATE.start_main_~y~0#1|) (+ (* 6 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 10) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 15))) [2024-12-05 22:10:23,215 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: true [2024-12-05 22:10:23,215 INFO L77 FloydHoareUtils]: At program point L39(line 39) the Hoare annotation is: true [2024-12-05 22:10:23,215 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 6 8) the Hoare annotation is: true [2024-12-05 22:10:23,216 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 6 8) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-12-05 22:10:23,216 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-12-05 22:10:23,216 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (= __VERIFIER_assert_~cond 0) (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 1))) [2024-12-05 22:10:23,216 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-05 22:10:23,216 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (not (= |__VERIFIER_assert_#in~cond| 1)))) [2024-12-05 22:10:23,216 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-05 22:10:23,216 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-12-05 22:10:23,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:10:23 ImpRootNode [2024-12-05 22:10:23,231 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:10:23,232 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:10:23,232 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:10:23,232 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:10:23,233 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:10:16" (3/4) ... [2024-12-05 22:10:23,235 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 22:10:23,238 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-05 22:10:23,238 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-05 22:10:23,241 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-05 22:10:23,241 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-05 22:10:23,241 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 22:10:23,241 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 22:10:23,307 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:10:23,307 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:10:23,307 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:10:23,308 INFO L158 Benchmark]: Toolchain (without parser) took 7253.61ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 46.7MB in the end (delta: 72.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-12-05 22:10:23,308 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:10:23,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.10ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:10:23,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.10ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.3MB in the end (delta: 964.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:10:23,309 INFO L158 Benchmark]: Boogie Preprocessor took 22.65ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.5MB in the end (delta: 769.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:10:23,309 INFO L158 Benchmark]: RCFGBuilder took 305.22ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 94.4MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:10:23,310 INFO L158 Benchmark]: CodeCheck took 6547.23ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 51.4MB in the end (delta: 42.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-12-05 22:10:23,310 INFO L158 Benchmark]: Witness Printer took 75.27ms. Allocated memory is still 142.6MB. Free memory was 51.4MB in the beginning and 46.7MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:10:23,312 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 3 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 199 SdHoareTripleChecker+Valid, 13.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 13.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 203 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 506 IncrementalHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 203 mSolverCounterUnsat, 84 mSDtfsCounter, 506 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 958 GetRequests, 875 SyntacticMatches, 11 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1940 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 327 SizeOfPredicates, 4 NumberOfNonLiveVariables, 270 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 50/57 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 - PositiveResult [Line: 12]: 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 - ProcedureContractResult [Line: 6]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((cond == 0) || (cond == 1)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.10ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.10ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.3MB in the end (delta: 964.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.65ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.5MB in the end (delta: 769.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 305.22ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 94.4MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6547.23ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 51.4MB in the end (delta: 42.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 75.27ms. Allocated memory is still 142.6MB. Free memory was 51.4MB in the beginning and 46.7MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 22:10:23,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce9fbe5-5b78-45d2-80e8-f10f735c8308/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE