./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/afterrec-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/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_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/afterrec-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/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_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/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 1c92d0a3779cdad7e145b29b6ae35aeb1a90bc327e2327b92a2158da4de5b6ea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:51,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:51,098 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:11:51,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:51,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:51,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:51,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:51,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:51,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:51,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:51,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:51,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:51,138 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:51,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:51,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:51,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:51,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:51,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:51,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:51,142 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:51,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:51,153 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:51,153 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:51,154 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:51,155 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:51,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:51,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:51,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:51,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:51,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:51,157 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:51,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:51,158 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:51,159 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_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c92d0a3779cdad7e145b29b6ae35aeb1a90bc327e2327b92a2158da4de5b6ea [2023-11-24 22:11:51,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:51,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:51,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:51,538 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:51,539 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:51,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/recursive-simple/afterrec-2.c [2023-11-24 22:11:55,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:55,301 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:55,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/sv-benchmarks/c/recursive-simple/afterrec-2.c [2023-11-24 22:11:55,313 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/bin/ukojak-verify-afCqCEvfdi/data/356a2cfe0/077494cf58ed4171b0e9cdb0f6734abc/FLAG9a26024d4 [2023-11-24 22:11:55,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/bin/ukojak-verify-afCqCEvfdi/data/356a2cfe0/077494cf58ed4171b0e9cdb0f6734abc [2023-11-24 22:11:55,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:55,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:55,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:55,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:55,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:55,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:55" (1/1) ... [2023-11-24 22:11:55,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4909124e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:55, skipping insertion in model container [2023-11-24 22:11:55,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:55" (1/1) ... [2023-11-24 22:11:55,395 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:55,612 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_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/sv-benchmarks/c/recursive-simple/afterrec-2.c[318,331] [2023-11-24 22:11:55,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:55,638 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:55,655 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_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/sv-benchmarks/c/recursive-simple/afterrec-2.c[318,331] [2023-11-24 22:11:55,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:55,674 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:55,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:55 WrapperNode [2023-11-24 22:11:55,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:55,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:55,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:55,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:55,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:55" (1/1) ... [2023-11-24 22:11:55,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:55" (1/1) ... [2023-11-24 22:11:55,712 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 10 [2023-11-24 22:11:55,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:55,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:55,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:55,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:55,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:55" (1/1) ... [2023-11-24 22:11:55,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:55" (1/1) ... [2023-11-24 22:11:55,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:55" (1/1) ... [2023-11-24 22:11:55,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:55" (1/1) ... [2023-11-24 22:11:55,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:55" (1/1) ... [2023-11-24 22:11:55,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:55" (1/1) ... [2023-11-24 22:11:55,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:55" (1/1) ... [2023-11-24 22:11:55,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:55" (1/1) ... [2023-11-24 22:11:55,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:55,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:55,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:55,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:55,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:55" (1/1) ... [2023-11-24 22:11:55,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:55,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:55,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:55,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-24 22:11:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-24 22:11:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:55,911 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:55,915 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:56,025 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:56,047 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:56,047 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:11:56,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:56 BoogieIcfgContainer [2023-11-24 22:11:56,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:56,051 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:56,051 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:56,065 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:56,065 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:56" (1/1) ... [2023-11-24 22:11:56,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:56,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:56,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2023-11-24 22:11:56,141 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2023-11-24 22:11:56,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:11:56,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:56,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:56,462 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:11:56,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:56,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 7 transitions. [2023-11-24 22:11:56,531 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-11-24 22:11:56,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:11:56,532 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-24 22:11:56,584 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 22:11:56,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:11:56 ImpRootNode [2023-11-24 22:11:56,611 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:11:56,612 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:11:56,612 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:11:56,612 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:11:56,613 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:56" (3/4) ... [2023-11-24 22:11:56,615 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:11:56,620 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2023-11-24 22:11:56,624 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-24 22:11:56,625 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-24 22:11:56,625 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:11:56,625 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:11:56,730 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:11:56,731 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:11:56,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:11:56,732 INFO L158 Benchmark]: Toolchain (without parser) took 1386.29ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 100.0MB in the beginning and 150.4MB in the end (delta: -50.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:56,733 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 146.8MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:56,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.75ms. Allocated memory is still 146.8MB. Free memory was 99.7MB in the beginning and 89.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:11:56,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.45ms. Allocated memory is still 146.8MB. Free memory was 89.9MB in the beginning and 88.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:56,740 INFO L158 Benchmark]: Boogie Preprocessor took 21.28ms. Allocated memory is still 146.8MB. Free memory was 88.5MB in the beginning and 87.7MB in the end (delta: 768.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:56,740 INFO L158 Benchmark]: RCFGBuilder took 314.62ms. Allocated memory is still 146.8MB. Free memory was 87.7MB in the beginning and 78.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:11:56,741 INFO L158 Benchmark]: CodeCheck took 559.93ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 78.4MB in the beginning and 152.2MB in the end (delta: -73.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-11-24 22:11:56,745 INFO L158 Benchmark]: Witness Printer took 119.34ms. Allocated memory is still 182.5MB. Free memory was 152.2MB in the beginning and 150.4MB in the end (delta: 1.8MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-11-24 22:11:56,755 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 5 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 3/7 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: 9]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 146.8MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.75ms. Allocated memory is still 146.8MB. Free memory was 99.7MB in the beginning and 89.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.45ms. Allocated memory is still 146.8MB. Free memory was 89.9MB in the beginning and 88.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.28ms. Allocated memory is still 146.8MB. Free memory was 88.5MB in the beginning and 87.7MB in the end (delta: 768.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 314.62ms. Allocated memory is still 146.8MB. Free memory was 87.7MB in the beginning and 78.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 559.93ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 78.4MB in the beginning and 152.2MB in the end (delta: -73.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Witness Printer took 119.34ms. Allocated memory is still 182.5MB. Free memory was 152.2MB in the beginning and 150.4MB in the end (delta: 1.8MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:11:56,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fd76cde-fbaa-40ca-8610-fe0ab15c31a3/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