./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.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_43fabd4e-9e61-485c-b59e-02029d0f0f91/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fabd4e-9e61-485c-b59e-02029d0f0f91/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_43fabd4e-9e61-485c-b59e-02029d0f0f91/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fabd4e-9e61-485c-b59e-02029d0f0f91/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fabd4e-9e61-485c-b59e-02029d0f0f91/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_43fabd4e-9e61-485c-b59e-02029d0f0f91/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 aca349e1b3075e13240eff0eeaaa2d6c5037eeae5747b24322472cf3e2c19f6a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:45:11,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:45:11,438 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fabd4e-9e61-485c-b59e-02029d0f0f91/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:45:11,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:45:11,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:45:11,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:45:11,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:45:11,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:45:11,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:45:11,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:45:11,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:45:11,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:45:11,466 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:45:11,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:45:11,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:45:11,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:45:11,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:45:11,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:45:11,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:45:11,466 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:45:11,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:45:11,467 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:45:11,467 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:45:11,467 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:45:11,467 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:45:11,467 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:45:11,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:45:11,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:45:11,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:45:11,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:45:11,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:45:11,467 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:45:11,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:45:11,468 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_43fabd4e-9e61-485c-b59e-02029d0f0f91/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 -> aca349e1b3075e13240eff0eeaaa2d6c5037eeae5747b24322472cf3e2c19f6a [2024-12-05 21:45:11,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:45:11,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:45:11,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:45:11,725 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:45:11,725 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:45:11,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fabd4e-9e61-485c-b59e-02029d0f0f91/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c [2024-12-05 21:45:14,998 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fabd4e-9e61-485c-b59e-02029d0f0f91/bin/ukojak-verify-CZk0znPC7b/data/c1b8275a8/6c1f07481ed14a0fbfdc44e330296046/FLAG2b908ba7d [2024-12-05 21:45:15,232 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:45:15,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fabd4e-9e61-485c-b59e-02029d0f0f91/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c [2024-12-05 21:45:15,243 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fabd4e-9e61-485c-b59e-02029d0f0f91/bin/ukojak-verify-CZk0znPC7b/data/c1b8275a8/6c1f07481ed14a0fbfdc44e330296046/FLAG2b908ba7d [2024-12-05 21:45:15,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fabd4e-9e61-485c-b59e-02029d0f0f91/bin/ukojak-verify-CZk0znPC7b/data/c1b8275a8/6c1f07481ed14a0fbfdc44e330296046 [2024-12-05 21:45:15,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:45:15,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:45:15,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:45:15,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:45:15,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:45:15,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:45:15" (1/1) ... [2024-12-05 21:45:15,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76612b10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:15, skipping insertion in model container [2024-12-05 21:45:15,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:45:15" (1/1) ... [2024-12-05 21:45:15,621 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:45:15,790 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_43fabd4e-9e61-485c-b59e-02029d0f0f91/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c[525,538] [2024-12-05 21:45:15,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:45:15,820 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:45:15,833 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_43fabd4e-9e61-485c-b59e-02029d0f0f91/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c[525,538] [2024-12-05 21:45:15,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:45:15,855 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:45:15,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:15 WrapperNode [2024-12-05 21:45:15,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:45:15,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:45:15,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:45:15,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:45:15,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:15" (1/1) ... [2024-12-05 21:45:15,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:15" (1/1) ... [2024-12-05 21:45:15,883 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-12-05 21:45:15,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:45:15,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:45:15,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:45:15,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:45:15,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:15" (1/1) ... [2024-12-05 21:45:15,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:15" (1/1) ... [2024-12-05 21:45:15,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:15" (1/1) ... [2024-12-05 21:45:15,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:15" (1/1) ... [2024-12-05 21:45:15,895 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:15" (1/1) ... [2024-12-05 21:45:15,896 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:15" (1/1) ... [2024-12-05 21:45:15,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:15" (1/1) ... [2024-12-05 21:45:15,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:15" (1/1) ... [2024-12-05 21:45:15,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:15" (1/1) ... [2024-12-05 21:45:15,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:45:15,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:45:15,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:45:15,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:45:15,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:15" (1/1) ... [2024-12-05 21:45:15,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:45:15,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fabd4e-9e61-485c-b59e-02029d0f0f91/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:45:15,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fabd4e-9e61-485c-b59e-02029d0f0f91/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:45:15,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fabd4e-9e61-485c-b59e-02029d0f0f91/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:45:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:45:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 21:45:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 21:45:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:45:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:45:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:45:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 21:45:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 21:45:16,045 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:45:16,048 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:45:16,175 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 21:45:16,176 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:45:16,205 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:45:16,206 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 21:45:16,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:45:16 BoogieIcfgContainer [2024-12-05 21:45:16,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:45:16,207 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:45:16,207 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:45:16,216 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:45:16,217 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:45:16" (1/1) ... [2024-12-05 21:45:16,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:45:16,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:16,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-05 21:45:16,278 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-05 21:45:16,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:45:16,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:16,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:45:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:45:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:16,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 21:45:16,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:16,556 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 21:45:16,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:16,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-05 21:45:16,667 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-05 21:45:16,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 21:45:16,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:16,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:45:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:16,984 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 21:45:17,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:17,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-12-05 21:45:17,354 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-12-05 21:45:17,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 21:45:17,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:17,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:45:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:45:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:17,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 21:45:17,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:45:18,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:18,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 33 transitions. [2024-12-05 21:45:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-05 21:45:18,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:18,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:18,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:45:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:45:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:18,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 21:45:18,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:18,534 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:45:22,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:22,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 38 transitions. [2024-12-05 21:45:22,097 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2024-12-05 21:45:22,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 21:45:22,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:22,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:45:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:45:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:22,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 21:45:22,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:22,668 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-05 21:45:24,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:24,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 42 transitions. [2024-12-05 21:45:24,005 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2024-12-05 21:45:24,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 21:45:24,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:24,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:45:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:45:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:24,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-05 21:45:24,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 19 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-05 21:45:27,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:27,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 47 transitions. [2024-12-05 21:45:27,748 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-12-05 21:45:27,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 21:45:27,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:27,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:45:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:28,149 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 28 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-05 21:45:32,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:32,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 75 transitions. [2024-12-05 21:45:32,065 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2024-12-05 21:45:32,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 21:45:32,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:32,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:45:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:32,188 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 28 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-05 21:45:32,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:32,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 25 states and 37 transitions. [2024-12-05 21:45:32,956 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-12-05 21:45:32,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:45:32,957 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-12-05 21:45:32,965 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 21:45:33,368 INFO L77 FloydHoareUtils]: At program point L35-2(lines 35 44) the Hoare annotation is: true [2024-12-05 21:45:33,368 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 21:45:33,368 INFO L77 FloydHoareUtils]: At program point L35-3(lines 35 44) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) |ULTIMATE.start_main_~x~0#1|) (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) 1)) [2024-12-05 21:45:33,368 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 5) (<= 0 |ULTIMATE.start_main_~z~0#1|)) [2024-12-05 21:45:33,369 INFO L77 FloydHoareUtils]: At program point L29-1(line 29) the Hoare annotation is: (not (and (<= |ULTIMATE.start_main_~z~0#1| 5) (not (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 5))) (<= 0 |ULTIMATE.start_main_~z~0#1|))) [2024-12-05 21:45:33,369 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: true [2024-12-05 21:45:33,369 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 5) (<= 0 |ULTIMATE.start_main_~z~0#1|)) [2024-12-05 21:45:33,369 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:45:33,369 INFO L77 FloydHoareUtils]: At program point L36(lines 35 44) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) |ULTIMATE.start_main_~x~0#1|) (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) 1)) [2024-12-05 21:45:33,369 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-12-05 21:45:33,369 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 13) the Hoare annotation is: true [2024-12-05 21:45:33,369 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 11 13) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-12-05 21:45:33,369 INFO L77 FloydHoareUtils]: At program point L16(lines 16 17) the Hoare annotation is: true [2024-12-05 21:45:33,370 INFO L77 FloydHoareUtils]: At program point L15(lines 15 18) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-12-05 21:45:33,370 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-05 21:45:33,370 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-05 21:45:33,370 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-12-05 21:45:33,370 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) the Hoare annotation is: true [2024-12-05 21:45:33,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:45:33 ImpRootNode [2024-12-05 21:45:33,385 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:45:33,386 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:45:33,386 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:45:33,386 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:45:33,387 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:45:16" (3/4) ... [2024-12-05 21:45:33,389 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:45:33,392 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-05 21:45:33,392 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-05 21:45:33,395 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-05 21:45:33,395 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-05 21:45:33,395 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 21:45:33,395 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 21:45:33,479 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fabd4e-9e61-485c-b59e-02029d0f0f91/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:45:33,479 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fabd4e-9e61-485c-b59e-02029d0f0f91/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:45:33,479 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:45:33,480 INFO L158 Benchmark]: Toolchain (without parser) took 17886.56ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 61.6MB in the end (delta: 55.7MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-12-05 21:45:33,481 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 82.4MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:45:33,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.47ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 106.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:45:33,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.78ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:45:33,482 INFO L158 Benchmark]: Boogie Preprocessor took 17.79ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.2MB in the end (delta: 822.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:45:33,482 INFO L158 Benchmark]: RCFGBuilder took 303.44ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 92.8MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:45:33,483 INFO L158 Benchmark]: CodeCheck took 17178.34ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 65.4MB in the end (delta: 27.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-12-05 21:45:33,483 INFO L158 Benchmark]: Witness Printer took 93.77ms. Allocated memory is still 142.6MB. Free memory was 65.4MB in the beginning and 61.6MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:45:33,486 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: 16.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 297 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 216 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 424 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1017 IncrementalHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 424 mSolverCounterUnsat, 140 mSDtfsCounter, 1017 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1756 GetRequests, 1592 SyntacticMatches, 40 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6428 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 222 ConstructedInterpolants, 3 QuantifiedInterpolants, 994 SizeOfPredicates, 6 NumberOfNonLiveVariables, 420 ConjunctsInSsa, 116 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 201/258 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: 17]: 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: 11]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 82.4MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.47ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 106.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.78ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.79ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.2MB in the end (delta: 822.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 303.44ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 92.8MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 17178.34ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 65.4MB in the end (delta: 27.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Witness Printer took 93.77ms. Allocated memory is still 142.6MB. Free memory was 65.4MB in the beginning and 61.6MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:45:33,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43fabd4e-9e61-485c-b59e-02029d0f0f91/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE