./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL --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 69e3759b6e7ee15378e7391ad11d943bae32b67ab55c3e2fea94db5284daa3ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:47,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:47,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:21:47,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:21:47,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:21:47,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:47,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:21:47,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:21:47,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:47,431 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:47,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:47,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:47,433 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:21:47,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:21:47,434 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:21:47,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:47,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:47,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:47,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:47,437 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:21:47,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:47,438 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:47,439 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:47,439 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:47,440 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:47,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:47,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:47,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:47,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:47,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:21:47,443 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:21:47,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:21:47,444 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:21:47,444 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_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69e3759b6e7ee15378e7391ad11d943bae32b67ab55c3e2fea94db5284daa3ec [2023-11-19 03:21:47,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:47,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:47,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:47,826 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:47,827 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:47,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2023-11-19 03:21:50,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:51,250 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:51,253 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2023-11-19 03:21:51,263 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL/data/b2ace922a/43d73c924b9d431c8d11f4c15ff8b515/FLAGe948f1d68 [2023-11-19 03:21:51,281 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL/data/b2ace922a/43d73c924b9d431c8d11f4c15ff8b515 [2023-11-19 03:21:51,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:51,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:51,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:51,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:51,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:51,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb76b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51, skipping insertion in model container [2023-11-19 03:21:51,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,327 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:51,559 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_962c87b6-67ee-4332-b345-f96d1d7a1bde/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c[520,533] [2023-11-19 03:21:51,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:51,602 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:51,622 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_962c87b6-67ee-4332-b345-f96d1d7a1bde/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c[520,533] [2023-11-19 03:21:51,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:51,664 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:51,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51 WrapperNode [2023-11-19 03:21:51,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:51,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:51,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:51,668 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:51,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,713 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-11-19 03:21:51,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:51,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:51,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:51,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:51,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:51,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:51,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:51,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:51,777 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:51" (1/1) ... [2023-11-19 03:21:51,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:51,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:51,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:51,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:21:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:51,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:21:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:21:51,968 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:51,970 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:52,214 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:52,278 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:52,278 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:21:52,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:52 BoogieIcfgContainer [2023-11-19 03:21:52,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:52,297 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:52,297 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:52,309 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:52,315 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:52" (1/1) ... [2023-11-19 03:21:52,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:21:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:52,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-19 03:21:52,412 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-19 03:21:52,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:21:52,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:52,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:52,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:52,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:52,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2023-11-19 03:21:52,888 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2023-11-19 03:21:52,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:21:52,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:52,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:52,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:21:52,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:53,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:53,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:53,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2023-11-19 03:21:53,293 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2023-11-19 03:21:53,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:21:53,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:53,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:53,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:21:53,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:53,397 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:21:53,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:53,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2023-11-19 03:21:53,521 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2023-11-19 03:21:53,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:21:53,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:53,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:53,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:21:53,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:21:53,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:53,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2023-11-19 03:21:53,784 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2023-11-19 03:21:53,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:21:53,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:53,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:53,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:21:53,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:21:54,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:54,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2023-11-19 03:21:54,116 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2023-11-19 03:21:54,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:21:54,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:54,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:54,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:21:54,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:54,288 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:21:54,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:54,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2023-11-19 03:21:54,347 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2023-11-19 03:21:54,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:21:54,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:54,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:54,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:21:54,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:54,505 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:21:54,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 68 transitions. [2023-11-19 03:21:54,762 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2023-11-19 03:21:54,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:21:54,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:54,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:54,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:21:54,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:54,893 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:21:54,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:54,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2023-11-19 03:21:54,947 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2023-11-19 03:21:54,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:21:54,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:54,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:55,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:21:55,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:55,279 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 03:21:55,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:55,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 61 transitions. [2023-11-19 03:21:55,804 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-19 03:21:55,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:21:55,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:55,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:55,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:21:55,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:21:56,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:56,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 67 transitions. [2023-11-19 03:21:56,096 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2023-11-19 03:21:56,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:21:56,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:56,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:56,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:21:56,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:56,375 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:21:57,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:57,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 27 states and 40 transitions. [2023-11-19 03:21:57,151 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2023-11-19 03:21:57,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:21:57,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:57,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:57,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:21:57,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:57,286 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 03:21:57,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:57,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 27 states and 39 transitions. [2023-11-19 03:21:57,645 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-19 03:21:57,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:21:57,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:57,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:57,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:21:57,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:57,836 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-11-19 03:21:59,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:59,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 23 states and 35 transitions. [2023-11-19 03:21:59,296 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-11-19 03:21:59,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:21:59,297 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2023-11-19 03:21:59,307 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:21:59,807 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-11-19 03:21:59,818 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:21:59,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:21:59 ImpRootNode [2023-11-19 03:21:59,821 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:21:59,822 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:21:59,823 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:21:59,824 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:21:59,827 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:52" (3/4) ... [2023-11-19 03:21:59,831 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:21:59,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:21:59,842 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 03:21:59,843 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:21:59,844 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:21:59,845 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:21:59,984 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:21:59,985 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:21:59,991 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:21:59,993 INFO L158 Benchmark]: Toolchain (without parser) took 8701.95ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 137.3MB in the beginning and 157.1MB in the end (delta: -19.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2023-11-19 03:21:59,993 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:59,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.59ms. Allocated memory is still 167.8MB. Free memory was 137.3MB in the beginning and 126.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:21:59,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.41ms. Allocated memory is still 167.8MB. Free memory was 126.4MB in the beginning and 124.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:59,995 INFO L158 Benchmark]: Boogie Preprocessor took 40.99ms. Allocated memory is still 167.8MB. Free memory was 124.7MB in the beginning and 123.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:59,995 INFO L158 Benchmark]: RCFGBuilder took 540.11ms. Allocated memory is still 167.8MB. Free memory was 123.5MB in the beginning and 125.1MB in the end (delta: -1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:59,996 INFO L158 Benchmark]: CodeCheck took 7524.21ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 125.1MB in the beginning and 161.3MB in the end (delta: -36.2MB). Peak memory consumption was 108.3MB. Max. memory is 16.1GB. [2023-11-19 03:21:59,996 INFO L158 Benchmark]: Witness Printer took 170.14ms. Allocated memory is still 201.3MB. Free memory was 161.3MB in the beginning and 157.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:21:59,999 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 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 478 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 157 mSDsluCounter, 589 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 208 mSDsCounter, 694 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1709 IncrementalHoareTripleChecker+Invalid, 2403 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 694 mSolverCounterUnsat, 381 mSDtfsCounter, 1709 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3012 GetRequests, 2862 SyntacticMatches, 68 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2653 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 370 NumberOfCodeBlocks, 370 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 357 ConstructedInterpolants, 0 QuantifiedInterpolants, 1036 SizeOfPredicates, 17 NumberOfNonLiveVariables, 1036 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 567/613 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: 30]: Loop Invariant Derived loop invariant: (!(((3 == t) && (a == 1))) || (s == 4)) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.59ms. Allocated memory is still 167.8MB. Free memory was 137.3MB in the beginning and 126.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.41ms. Allocated memory is still 167.8MB. Free memory was 126.4MB in the beginning and 124.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.99ms. Allocated memory is still 167.8MB. Free memory was 124.7MB in the beginning and 123.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.11ms. Allocated memory is still 167.8MB. Free memory was 123.5MB in the beginning and 125.1MB in the end (delta: -1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CodeCheck took 7524.21ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 125.1MB in the beginning and 161.3MB in the end (delta: -36.2MB). Peak memory consumption was 108.3MB. Max. memory is 16.1GB. * Witness Printer took 170.14ms. Allocated memory is still 201.3MB. Free memory was 161.3MB in the beginning and 157.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:22:00,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962c87b6-67ee-4332-b345-f96d1d7a1bde/bin/ukojak-verify-G8NBE6pJGL/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