./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi --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 deafb53b6c5560bead535ea0c1ac7bb85be5c959b9a13b21177e05987440264a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:40,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:40,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:58:40,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:58:40,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:58:40,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:40,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:40,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:40,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:40,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:40,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:40,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:40,281 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:58:40,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:40,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:58:40,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:40,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:40,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:40,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:40,286 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:58:40,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:40,287 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:40,288 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:40,289 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:40,289 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:40,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:40,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:40,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:40,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:40,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:40,293 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:58:40,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:58:40,294 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:40,294 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_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deafb53b6c5560bead535ea0c1ac7bb85be5c959b9a13b21177e05987440264a [2023-11-24 22:58:40,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:40,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:40,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:40,683 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:40,684 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:40,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2023-11-24 22:58:43,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:43,931 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:43,932 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2023-11-24 22:58:43,941 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi/data/7e3fc01e6/e1edcaf6756344ab8f1c082d11bc8902/FLAG88aca5116 [2023-11-24 22:58:43,957 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi/data/7e3fc01e6/e1edcaf6756344ab8f1c082d11bc8902 [2023-11-24 22:58:43,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:43,962 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:43,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:43,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:43,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:43,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:43" (1/1) ... [2023-11-24 22:58:43,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f97d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:43, skipping insertion in model container [2023-11-24 22:58:43,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:43" (1/1) ... [2023-11-24 22:58:43,999 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:44,192 WARN L240 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_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c[524,537] [2023-11-24 22:58:44,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:44,249 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:44,265 WARN L240 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_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c[524,537] [2023-11-24 22:58:44,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:44,324 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:44,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44 WrapperNode [2023-11-24 22:58:44,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:44,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:44,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:44,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:44,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,368 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-11-24 22:58:44,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:44,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:44,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:44,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:44,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,388 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:44,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:44,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:44,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:44,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:44" (1/1) ... [2023-11-24 22:58:44,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:44,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:44,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:44,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:44,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:44,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:58:44,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:58:44,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:58:44,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:44,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:44,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:58:44,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:58:44,573 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:44,576 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:44,923 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:45,065 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:45,065 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:58:45,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:45 BoogieIcfgContainer [2023-11-24 22:58:45,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:45,068 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:45,068 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:45,079 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:45,079 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:45" (1/1) ... [2023-11-24 22:58:45,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:45,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-24 22:58:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-24 22:58:45,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:58:45,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:45,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:45,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:58:45,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:45,521 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:58:45,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:45,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-11-24 22:58:45,651 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-11-24 22:58:45,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:58:45,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:45,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:45,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:58:45,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:45,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:58:45,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:45,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-11-24 22:58:45,783 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-11-24 22:58:45,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:58:45,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:45,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:45,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:58:45,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:45,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:58:45,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:45,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-11-24 22:58:45,913 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-11-24 22:58:45,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:58:45,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:45,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:45,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:58:45,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:58:46,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:46,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 34 transitions. [2023-11-24 22:58:46,441 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2023-11-24 22:58:46,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:58:46,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:46,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:46,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:58:46,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:46,907 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:58:47,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:47,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 47 transitions. [2023-11-24 22:58:47,537 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2023-11-24 22:58:47,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:58:47,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:47,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:47,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:58:47,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:58:50,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:50,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 59 transitions. [2023-11-24 22:58:50,935 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 59 transitions. [2023-11-24 22:58:50,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:58:50,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:50,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:50,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:58:50,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:51,214 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:58:51,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:51,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 66 transitions. [2023-11-24 22:58:51,843 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2023-11-24 22:58:51,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:58:51,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:51,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:51,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 22:58:51,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:58:56,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:56,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 38 states and 74 transitions. [2023-11-24 22:58:56,518 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 74 transitions. [2023-11-24 22:58:56,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:58:56,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:56,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:56,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-24 22:58:56,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:59,027 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:59:01,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:01,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 79 transitions. [2023-11-24 22:59:01,173 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2023-11-24 22:59:01,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:59:01,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:01,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:01,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:59:01,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:59:04,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:04,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 43 states and 89 transitions. [2023-11-24 22:59:04,649 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 89 transitions. [2023-11-24 22:59:04,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:59:04,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:04,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:04,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-24 22:59:04,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:59:09,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:09,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 45 states and 97 transitions. [2023-11-24 22:59:09,338 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 97 transitions. [2023-11-24 22:59:09,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:59:09,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:09,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:09,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:59:09,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:10,697 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-24 22:59:11,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:11,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 35 states and 51 transitions. [2023-11-24 22:59:11,596 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2023-11-24 22:59:11,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:59:11,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:11,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:11,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:59:11,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-24 22:59:14,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:14,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 28 states and 40 transitions. [2023-11-24 22:59:14,973 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2023-11-24 22:59:14,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:59:14,974 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2023-11-24 22:59:14,983 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 22:59:15,851 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:59:15,857 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:59:15,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:59:15 ImpRootNode [2023-11-24 22:59:15,858 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:59:15,858 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:59:15,859 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:59:15,859 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:59:15,859 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:45" (3/4) ... [2023-11-24 22:59:15,862 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:59:15,865 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-24 22:59:15,866 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 22:59:15,870 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-24 22:59:15,871 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 22:59:15,871 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:59:15,871 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:59:15,969 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:59:15,970 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:59:15,970 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:59:15,971 INFO L158 Benchmark]: Toolchain (without parser) took 32008.79ms. Allocated memory was 176.2MB in the beginning and 308.3MB in the end (delta: 132.1MB). Free memory was 145.3MB in the beginning and 193.3MB in the end (delta: -48.0MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2023-11-24 22:59:15,971 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:15,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.91ms. Allocated memory is still 176.2MB. Free memory was 145.1MB in the beginning and 138.9MB in the end (delta: 6.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-11-24 22:59:15,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.23ms. Allocated memory is still 176.2MB. Free memory was 138.9MB in the beginning and 137.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:15,973 INFO L158 Benchmark]: Boogie Preprocessor took 27.27ms. Allocated memory is still 176.2MB. Free memory was 137.7MB in the beginning and 136.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:15,974 INFO L158 Benchmark]: RCFGBuilder took 669.34ms. Allocated memory is still 176.2MB. Free memory was 136.4MB in the beginning and 135.6MB in the end (delta: 889.6kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:59:15,974 INFO L158 Benchmark]: CodeCheck took 30790.13ms. Allocated memory was 176.2MB in the beginning and 308.3MB in the end (delta: 132.1MB). Free memory was 135.6MB in the beginning and 198.5MB in the end (delta: -63.0MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2023-11-24 22:59:15,975 INFO L158 Benchmark]: Witness Printer took 111.76ms. Allocated memory is still 308.3MB. Free memory was 198.5MB in the beginning and 193.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:59:15,977 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, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.9s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 674 SdHoareTripleChecker+Valid, 11.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 210 mSDsluCounter, 440 SdHoareTripleChecker+Invalid, 10.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 514 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1720 IncrementalHoareTripleChecker+Invalid, 2234 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 514 mSolverCounterUnsat, 260 mSDtfsCounter, 1720 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3105 GetRequests, 2898 SyntacticMatches, 93 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5907 ImplicationChecksByTransitivity, 16.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 14.3s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 343 ConstructedInterpolants, 1 QuantifiedInterpolants, 4333 SizeOfPredicates, 68 NumberOfNonLiveVariables, 1114 ConjunctsInSsa, 350 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 188/240 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: 14]: 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: 58]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.91ms. Allocated memory is still 176.2MB. Free memory was 145.1MB in the beginning and 138.9MB in the end (delta: 6.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.23ms. Allocated memory is still 176.2MB. Free memory was 138.9MB in the beginning and 137.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.27ms. Allocated memory is still 176.2MB. Free memory was 137.7MB in the beginning and 136.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 669.34ms. Allocated memory is still 176.2MB. Free memory was 136.4MB in the beginning and 135.6MB in the end (delta: 889.6kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 30790.13ms. Allocated memory was 176.2MB in the beginning and 308.3MB in the end (delta: 132.1MB). Free memory was 135.6MB in the beginning and 198.5MB in the end (delta: -63.0MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. * Witness Printer took 111.76ms. Allocated memory is still 308.3MB. Free memory was 198.5MB in the beginning and 193.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:59:16,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e37aa38c-4bd0-46ad-98ee-af74269bd8a5/bin/ukojak-verify-afCqCEvfdi/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