./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm --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 0816346248b67d4ea9c17aaea510056f7cd51786d8081f1e3a68c606118ae1c9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:57:49,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:57:49,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:57:49,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:57:49,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:57:49,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:57:49,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:57:49,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:57:49,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:57:49,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:57:49,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:57:49,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:57:49,945 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:57:49,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:57:49,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:57:49,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:57:49,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:57:49,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:57:49,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:57:49,948 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:57:49,948 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:57:49,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:57:49,949 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:57:49,949 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:57:49,949 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:57:49,949 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:57:49,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:57:49,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:49,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:57:49,949 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:57:49,950 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:57:49,950 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:57:49,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:57:49,950 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm 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 -> 0816346248b67d4ea9c17aaea510056f7cd51786d8081f1e3a68c606118ae1c9 [2024-11-13 22:57:50,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:57:50,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:57:50,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:57:50,401 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:57:50,401 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:57:50,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i Unable to find full path for "g++" [2024-11-13 22:57:52,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:57:52,863 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:57:52,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i [2024-11-13 22:57:52,871 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm/data/7631fe161/f4c4f45970004700b6bdef70f3152f90/FLAGd6a8ec358 [2024-11-13 22:57:53,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm/data/7631fe161/f4c4f45970004700b6bdef70f3152f90 [2024-11-13 22:57:53,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:57:53,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:57:53,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:53,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:57:53,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:57:53,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:53" (1/1) ... [2024-11-13 22:57:53,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa74b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:53, skipping insertion in model container [2024-11-13 22:57:53,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:57:53" (1/1) ... [2024-11-13 22:57:53,114 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:57:53,247 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_00c1f857-0828-4a8a-a97b-3d724483b774/sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i[893,906] [2024-11-13 22:57:53,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:53,270 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:57:53,281 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_00c1f857-0828-4a8a-a97b-3d724483b774/sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i[893,906] [2024-11-13 22:57:53,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:57:53,298 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:57:53,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:53 WrapperNode [2024-11-13 22:57:53,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:57:53,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:53,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:57:53,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:57:53,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:53" (1/1) ... [2024-11-13 22:57:53,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:53" (1/1) ... [2024-11-13 22:57:53,335 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2024-11-13 22:57:53,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:57:53,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:57:53,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:57:53,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:57:53,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:53" (1/1) ... [2024-11-13 22:57:53,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:53" (1/1) ... [2024-11-13 22:57:53,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:53" (1/1) ... [2024-11-13 22:57:53,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:53" (1/1) ... [2024-11-13 22:57:53,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:53" (1/1) ... [2024-11-13 22:57:53,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:53" (1/1) ... [2024-11-13 22:57:53,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:53" (1/1) ... [2024-11-13 22:57:53,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:53" (1/1) ... [2024-11-13 22:57:53,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:57:53,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:57:53,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:57:53,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:57:53,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:57:53" (1/1) ... [2024-11-13 22:57:53,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:57:53,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:57:53,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:57:53,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:57:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:57:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:57:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:57:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:57:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:57:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:57:53,514 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:57:53,516 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:57:53,714 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 22:57:53,715 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:57:53,759 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:57:53,759 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:57:53,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:53 BoogieIcfgContainer [2024-11-13 22:57:53,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:57:53,760 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:57:53,760 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:57:53,773 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:57:53,774 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:53" (1/1) ... [2024-11-13 22:57:53,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:57:53,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:53,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-13 22:57:53,860 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-13 22:57:53,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:57:53,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:53,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:54,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:54,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2024-11-13 22:57:54,529 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2024-11-13 22:57:54,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:57:54,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:54,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:57:55,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:55,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2024-11-13 22:57:55,226 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2024-11-13 22:57:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:57:55,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:55,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:55,420 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:57:55,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:55,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-11-13 22:57:55,564 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-11-13 22:57:55,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:57:55,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:55,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:55,928 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:57:57,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:57,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 37 states and 73 transitions. [2024-11-13 22:57:57,401 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 73 transitions. [2024-11-13 22:57:57,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:57:57,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:57,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:57:58,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:58,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 83 transitions. [2024-11-13 22:57:58,210 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 83 transitions. [2024-11-13 22:57:58,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:57:58,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:58,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:58,476 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-13 22:57:59,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:57:59,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 44 states and 93 transitions. [2024-11-13 22:57:59,513 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 93 transitions. [2024-11-13 22:57:59,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:57:59,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:57:59,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:57:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:57:59,724 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-13 22:58:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:00,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 26 states and 47 transitions. [2024-11-13 22:58:00,065 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 47 transitions. [2024-11-13 22:58:00,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:58:00,066 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-13 22:58:00,076 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:58:00,161 INFO L77 FloydHoareUtils]: At program point L40(lines 25 56) the Hoare annotation is: (<= 1 |ULTIMATE.start_main_~leader_len~0#1|) [2024-11-13 22:58:00,161 INFO L77 FloydHoareUtils]: At program point L36(line 36) the Hoare annotation is: true [2024-11-13 22:58:00,161 INFO L77 FloydHoareUtils]: At program point L49-2(lines 49 53) the Hoare annotation is: true [2024-11-13 22:58:00,162 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-13 22:58:00,162 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:58:00,162 INFO L77 FloydHoareUtils]: At program point L54(lines 24 56) the Hoare annotation is: true [2024-11-13 22:58:00,162 INFO L77 FloydHoareUtils]: At program point L50(line 50) the Hoare annotation is: true [2024-11-13 22:58:00,162 INFO L77 FloydHoareUtils]: At program point L50-1(line 50) the Hoare annotation is: true [2024-11-13 22:58:00,162 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:58:00,163 INFO L77 FloydHoareUtils]: At program point L38(line 38) the Hoare annotation is: true [2024-11-13 22:58:00,163 INFO L77 FloydHoareUtils]: At program point L38-1(lines 25 56) the Hoare annotation is: (<= 1 |ULTIMATE.start_main_~leader_len~0#1|) [2024-11-13 22:58:00,163 INFO L77 FloydHoareUtils]: At program point L51(line 51) the Hoare annotation is: true [2024-11-13 22:58:00,163 INFO L77 FloydHoareUtils]: At program point L47(lines 47 48) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~p~0#1|) (<= (+ |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~bufsize~0#1|) |ULTIMATE.start_main_~bufsize_0~0#1|)) [2024-11-13 22:58:00,164 INFO L77 FloydHoareUtils]: At program point L39(lines 25 56) the Hoare annotation is: (<= 1 |ULTIMATE.start_main_~leader_len~0#1|) [2024-11-13 22:58:00,164 INFO L77 FloydHoareUtils]: At program point L35(line 35) the Hoare annotation is: true [2024-11-13 22:58:00,164 INFO L77 FloydHoareUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2024-11-13 22:58:00,164 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 17 22) the Hoare annotation is: true [2024-11-13 22:58:00,164 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 17 22) the Hoare annotation is: true [2024-11-13 22:58:00,164 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-11-13 22:58:00,165 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: true [2024-11-13 22:58:00,165 INFO L77 FloydHoareUtils]: At program point L18(lines 18 20) the Hoare annotation is: true [2024-11-13 22:58:00,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:58:00 ImpRootNode [2024-11-13 22:58:00,181 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:58:00,182 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:58:00,182 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:58:00,182 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:58:00,183 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:57:53" (3/4) ... [2024-11-13 22:58:00,185 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:58:00,189 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 22:58:00,193 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 22:58:00,194 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 22:58:00,194 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:58:00,194 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:58:00,303 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:58:00,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:58:00,304 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:58:00,305 INFO L158 Benchmark]: Toolchain (without parser) took 7219.67ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 45.0MB in the end (delta: 48.7MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-11-13 22:58:00,305 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:58:00,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.37ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 82.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:58:00,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.52ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:58:00,306 INFO L158 Benchmark]: Boogie Preprocessor took 29.40ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.4MB in the end (delta: 675.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:58:00,306 INFO L158 Benchmark]: RCFGBuilder took 391.29ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 68.8MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:58:00,306 INFO L158 Benchmark]: CodeCheck took 6420.63ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 49.9MB in the end (delta: 18.5MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-13 22:58:00,307 INFO L158 Benchmark]: Witness Printer took 122.17ms. Allocated memory is still 117.4MB. Free memory was 49.9MB in the beginning and 45.0MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:58:00,312 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, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 314 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 291 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 205 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 816 IncrementalHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 205 mSolverCounterUnsat, 235 mSDtfsCounter, 816 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1661 GetRequests, 1543 SyntacticMatches, 38 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1931 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 207 ConstructedInterpolants, 0 QuantifiedInterpolants, 591 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 172/193 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: 19]: 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 0.39ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.37ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 82.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.52ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.40ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.4MB in the end (delta: 675.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 391.29ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 68.8MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6420.63ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 49.9MB in the end (delta: 18.5MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Witness Printer took 122.17ms. Allocated memory is still 117.4MB. Free memory was 49.9MB in the beginning and 45.0MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:58:00,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c1f857-0828-4a8a-a97b-3d724483b774/bin/ukojak-verify-EEHR8qb7sm/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