./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b3_o5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b3_o5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk --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 bfa501ca93fc9b0e6d760bbe690b8b09cdd28cd292bfa547a39097dc8f6d3704 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:13:45,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:13:45,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:13:45,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:13:45,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:13:45,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:13:45,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:13:45,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:13:45,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:13:45,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:13:45,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:13:45,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:13:45,256 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:13:45,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:13:45,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:13:45,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:13:45,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:13:45,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:13:45,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:13:45,259 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:13:45,259 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:13:45,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:13:45,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:13:45,261 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:13:45,261 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:13:45,262 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:13:45,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:13:45,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:13:45,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:13:45,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:13:45,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:13:45,264 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:13:45,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:13:45,265 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_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfa501ca93fc9b0e6d760bbe690b8b09cdd28cd292bfa547a39097dc8f6d3704 [2024-11-09 00:13:45,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:13:45,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:13:45,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:13:45,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:13:45,531 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:13:45,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursive-simple/id2_b3_o5.c Unable to find full path for "g++" [2024-11-09 00:13:47,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:13:47,828 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:13:47,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/sv-benchmarks/c/recursive-simple/id2_b3_o5.c [2024-11-09 00:13:47,837 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk/data/0aecda7a1/e1e5435e449445f4aa5e82332aac6eb5/FLAG530b66b55 [2024-11-09 00:13:47,858 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk/data/0aecda7a1/e1e5435e449445f4aa5e82332aac6eb5 [2024-11-09 00:13:47,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:13:47,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:13:47,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:13:47,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:13:47,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:13:47,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:13:47" (1/1) ... [2024-11-09 00:13:47,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b3daa5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:47, skipping insertion in model container [2024-11-09 00:13:47,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:13:47" (1/1) ... [2024-11-09 00:13:47,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:13:48,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/sv-benchmarks/c/recursive-simple/id2_b3_o5.c[771,784] [2024-11-09 00:13:48,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:13:48,105 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:13:48,119 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/sv-benchmarks/c/recursive-simple/id2_b3_o5.c[771,784] [2024-11-09 00:13:48,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:13:48,137 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:13:48,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48 WrapperNode [2024-11-09 00:13:48,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:13:48,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:13:48,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:13:48,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:13:48,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,170 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-09 00:13:48,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:13:48,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:13:48,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:13:48,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:13:48,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:13:48,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:13:48,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:13:48,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:13:48,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:13:48,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:13:48,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:13:48,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:13:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:13:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:13:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2024-11-09 00:13:48,263 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2024-11-09 00:13:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:13:48,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:13:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-11-09 00:13:48,264 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-11-09 00:13:48,330 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:13:48,332 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:13:48,467 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 00:13:48,467 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:13:48,514 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:13:48,514 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:13:48,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:13:48 BoogieIcfgContainer [2024-11-09 00:13:48,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:13:48,516 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:13:48,516 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:13:48,531 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:13:48,531 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:13:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:48,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-09 00:13:48,604 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-09 00:13:48,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:13:48,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:48,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:13:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:48,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:13:49,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:49,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-11-09 00:13:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-11-09 00:13:49,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:13:49,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:49,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:13:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:49,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:13:49,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:49,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2024-11-09 00:13:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-11-09 00:13:49,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:13:49,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:49,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:13:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:50,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:13:51,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:51,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2024-11-09 00:13:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2024-11-09 00:13:51,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:13:51,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:51,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:13:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:51,692 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:13:52,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:52,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2024-11-09 00:13:52,663 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2024-11-09 00:13:52,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:13:52,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:52,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:13:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:53,226 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 00:13:53,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:53,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 51 states and 62 transitions. [2024-11-09 00:13:53,806 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2024-11-09 00:13:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:13:53,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:53,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:13:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:54,180 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:13:54,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:54,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 60 transitions. [2024-11-09 00:13:54,904 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2024-11-09 00:13:54,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:13:54,905 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-09 00:13:54,914 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:13:55,072 INFO L77 FloydHoareUtils]: At program point L17(line 17) the Hoare annotation is: true [2024-11-09 00:13:55,072 INFO L77 FloydHoareUtils]: At program point L18-1(line 18) the Hoare annotation is: true [2024-11-09 00:13:55,072 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 16 21) the Hoare annotation is: true [2024-11-09 00:13:55,073 INFO L77 FloydHoareUtils]: At program point id2EXIT(lines 16 21) the Hoare annotation is: true [2024-11-09 00:13:55,073 INFO L77 FloydHoareUtils]: At program point id2FINAL(lines 16 21) the Hoare annotation is: true [2024-11-09 00:13:55,073 INFO L77 FloydHoareUtils]: At program point L18(line 18) the Hoare annotation is: true [2024-11-09 00:13:55,073 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:13:55,073 INFO L75 FloydHoareUtils]: For program point L27(line 27) no Hoare annotation was computed. [2024-11-09 00:13:55,074 INFO L77 FloydHoareUtils]: At program point L26(lines 26 28) the Hoare annotation is: (< (mod |ULTIMATE.start_main_~result~0#1| 4294967296) 4) [2024-11-09 00:13:55,074 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: true [2024-11-09 00:13:55,074 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: (< (mod |ULTIMATE.start_main_#t~ret7#1| 4294967296) 4) [2024-11-09 00:13:55,075 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 27) no Hoare annotation was computed. [2024-11-09 00:13:55,075 INFO L77 FloydHoareUtils]: At program point L23(lines 23 29) the Hoare annotation is: true [2024-11-09 00:13:55,075 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:13:55,075 INFO L77 FloydHoareUtils]: At program point idFINAL(lines 9 14) the Hoare annotation is: (< (mod |id_#res| 4294967296) 4) [2024-11-09 00:13:55,075 INFO L77 FloydHoareUtils]: At program point L11(line 11) the Hoare annotation is: true [2024-11-09 00:13:55,076 INFO L77 FloydHoareUtils]: At program point idEXIT(lines 9 14) the Hoare annotation is: (< (mod |id_#res| 4294967296) 4) [2024-11-09 00:13:55,076 INFO L77 FloydHoareUtils]: At program point L10(line 10) the Hoare annotation is: true [2024-11-09 00:13:55,076 INFO L77 FloydHoareUtils]: At program point L11-1(line 11) the Hoare annotation is: true [2024-11-09 00:13:55,076 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 14) the Hoare annotation is: true [2024-11-09 00:13:55,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:13:55 ImpRootNode [2024-11-09 00:13:55,098 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:13:55,099 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:13:55,099 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:13:55,099 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:13:55,100 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:13:48" (3/4) ... [2024-11-09 00:13:55,104 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:13:55,108 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2024-11-09 00:13:55,109 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2024-11-09 00:13:55,114 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-09 00:13:55,114 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 00:13:55,114 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:13:55,114 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:13:55,219 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:13:55,219 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:13:55,219 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:13:55,220 INFO L158 Benchmark]: Toolchain (without parser) took 7355.86ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 103.6MB in the beginning and 66.2MB in the end (delta: 37.4MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. [2024-11-09 00:13:55,222 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:13:55,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.29ms. Allocated memory is still 140.5MB. Free memory was 103.6MB in the beginning and 90.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:13:55,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.01ms. Allocated memory is still 140.5MB. Free memory was 90.9MB in the beginning and 89.9MB in the end (delta: 996.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:13:55,223 INFO L158 Benchmark]: Boogie Preprocessor took 18.78ms. Allocated memory is still 140.5MB. Free memory was 89.9MB in the beginning and 89.0MB in the end (delta: 979.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:13:55,224 INFO L158 Benchmark]: RCFGBuilder took 324.59ms. Allocated memory is still 140.5MB. Free memory was 88.8MB in the beginning and 76.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:13:55,224 INFO L158 Benchmark]: CodeCheck took 6582.45ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 76.9MB in the beginning and 70.4MB in the end (delta: 6.4MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2024-11-09 00:13:55,225 INFO L158 Benchmark]: Witness Printer took 120.72ms. Allocated memory is still 188.7MB. Free memory was 70.4MB in the beginning and 66.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:13:55,231 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 210 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 243 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 110 mSDsCounter, 222 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 446 IncrementalHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 222 mSolverCounterUnsat, 133 mSDtfsCounter, 446 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 974 GetRequests, 881 SyntacticMatches, 1 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2589 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 286 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 49/66 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: 27]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 9]: Procedure Contract for id Derived contract for procedure id. Ensures: (\result < 4) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.29ms. Allocated memory is still 140.5MB. Free memory was 103.6MB in the beginning and 90.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.01ms. Allocated memory is still 140.5MB. Free memory was 90.9MB in the beginning and 89.9MB in the end (delta: 996.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.78ms. Allocated memory is still 140.5MB. Free memory was 89.9MB in the beginning and 89.0MB in the end (delta: 979.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 324.59ms. Allocated memory is still 140.5MB. Free memory was 88.8MB in the beginning and 76.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 6582.45ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 76.9MB in the beginning and 70.4MB in the end (delta: 6.4MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * Witness Printer took 120.72ms. Allocated memory is still 188.7MB. Free memory was 70.4MB in the beginning and 66.2MB 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! [2024-11-09 00:13:55,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddf3ea7-96d6-4eff-825d-48592258f774/bin/ukojak-verify-ImItNfHLgk/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