./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.08-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/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_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.08-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6c2edc31dcdc4b2a4abe4268de27cc56aedb322bc6628c226d1c7bd6753071a5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:20:20,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:20:20,709 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:20:20,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:20:20,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:20:20,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:20:20,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:20:20,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:20:20,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:20:20,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:20:20,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:20:20,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:20:20,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:20:20,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:20:20,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:20:20,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:20:20,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:20:20,766 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:20:20,766 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:20:20,767 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:20:20,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:20:20,767 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:20:20,768 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:20:20,768 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:20:20,768 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:20:20,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:20:20,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:20,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:20:20,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:20:20,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:20:20,773 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:20:20,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:20:20,774 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_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c2edc31dcdc4b2a4abe4268de27cc56aedb322bc6628c226d1c7bd6753071a5 [2024-11-08 22:20:21,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:20:21,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:20:21,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:20:21,106 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:20:21,107 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:20:21,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-memory-alloca/a.08-alloca.i Unable to find full path for "g++" [2024-11-08 22:20:23,270 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:20:23,485 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:20:23,490 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/sv-benchmarks/c/termination-memory-alloca/a.08-alloca.i [2024-11-08 22:20:23,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/bin/ukojak-verify-ImItNfHLgk/data/845b64d1e/0263638f8be64f878127e6b8ce0281b5/FLAG2e04647aa [2024-11-08 22:20:23,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/bin/ukojak-verify-ImItNfHLgk/data/845b64d1e/0263638f8be64f878127e6b8ce0281b5 [2024-11-08 22:20:23,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:20:23,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:20:23,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:23,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:20:23,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:20:23,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:23" (1/1) ... [2024-11-08 22:20:23,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143ed023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:23, skipping insertion in model container [2024-11-08 22:20:23,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:23" (1/1) ... [2024-11-08 22:20:23,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:20:23,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:23,978 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:20:24,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:24,068 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:20:24,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:24 WrapperNode [2024-11-08 22:20:24,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:24,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:24,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:20:24,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:20:24,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:24" (1/1) ... [2024-11-08 22:20:24,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:24" (1/1) ... [2024-11-08 22:20:24,112 INFO L138 Inliner]: procedures = 111, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-11-08 22:20:24,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:24,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:20:24,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:20:24,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:20:24,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:24" (1/1) ... [2024-11-08 22:20:24,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:24" (1/1) ... [2024-11-08 22:20:24,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:24" (1/1) ... [2024-11-08 22:20:24,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:24" (1/1) ... [2024-11-08 22:20:24,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:24" (1/1) ... [2024-11-08 22:20:24,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:24" (1/1) ... [2024-11-08 22:20:24,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:24" (1/1) ... [2024-11-08 22:20:24,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:24" (1/1) ... [2024-11-08 22:20:24,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:20:24,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:20:24,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:20:24,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:20:24,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:24" (1/1) ... [2024-11-08 22:20:24,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:24,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:20:24,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:20:24,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:20:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:20:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:20:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:20:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:20:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:20:24,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:20:24,339 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:20:24,341 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:20:24,513 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 22:20:24,513 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:20:24,567 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:20:24,567 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:20:24,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:24 BoogieIcfgContainer [2024-11-08 22:20:24,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:20:24,569 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:20:24,572 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:20:24,584 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:20:24,585 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:24" (1/1) ... [2024-11-08 22:20:24,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:20:24,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:24,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-08 22:20:24,672 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-08 22:20:24,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:20:24,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:24,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:25,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:25,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 22:20:25,602 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 22:20:25,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:20:25,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:25,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:25,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:26,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 22:20:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 22:20:26,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:20:26,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:26,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:26,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:27,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:27,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-08 22:20:27,048 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-08 22:20:27,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:20:27,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:27,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:28,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:28,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-08 22:20:28,461 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-08 22:20:28,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:20:28,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:28,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:30,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:30,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2024-11-08 22:20:30,259 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2024-11-08 22:20:30,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:20:30,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:30,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:20:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:30,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-08 22:20:30,900 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-08 22:20:30,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:20:30,900 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-08 22:20:30,913 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-08 22:20:31,010 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2024-11-08 22:20:31,011 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:20:31,011 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2024-11-08 22:20:31,011 INFO L77 FloydHoareUtils]: At program point L556(line 556) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|)) (.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (<= (+ .cse0 |ULTIMATE.start_test_fun_#t~mem9#1|) (+ 2147483645 .cse1)) (<= 0 (+ |ULTIMATE.start_test_fun_#t~mem9#1| 2147483647)) (<= |ULTIMATE.start_test_fun_#t~mem9#1| 2147483646) (= |ULTIMATE.start_test_fun_#t~mem9#1| .cse1) (<= 0 (+ .cse0 2147483648)))) [2024-11-08 22:20:31,012 INFO L77 FloydHoareUtils]: At program point L556-1(line 556) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|)) (.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (<= 0 (+ 2147483649 |ULTIMATE.start_test_fun_#t~mem9#1|)) (<= (+ .cse0 |ULTIMATE.start_test_fun_#t~mem9#1|) (+ 2147483645 .cse1)) (<= |ULTIMATE.start_test_fun_#t~mem9#1| 2147483646) (= |ULTIMATE.start_test_fun_#t~mem9#1| .cse1) (<= 0 (+ .cse0 2147483648)))) [2024-11-08 22:20:31,012 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:20:31,012 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2024-11-08 22:20:31,012 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2024-11-08 22:20:31,013 INFO L77 FloydHoareUtils]: At program point L557(line 557) the Hoare annotation is: (and (<= 0 (+ 2147483650 |ULTIMATE.start_test_fun_#t~mem10#1|)) (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 2147483648)) (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (<= |ULTIMATE.start_test_fun_#t~mem10#1| 2147483645)) [2024-11-08 22:20:31,013 INFO L77 FloydHoareUtils]: At program point L557-1(line 557) the Hoare annotation is: (and (<= 0 (+ 2147483650 |ULTIMATE.start_test_fun_#t~mem10#1|)) (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 2147483648)) (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (<= |ULTIMATE.start_test_fun_#t~mem10#1| 2147483645)) [2024-11-08 22:20:31,013 INFO L77 FloydHoareUtils]: At program point L555-3(lines 555 558) the Hoare annotation is: (let ((.cse2 (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|)) (.cse1 (not |ULTIMATE.start_test_fun_#t~short8#1|)) (.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (or (<= .cse0 2147483645) .cse1) (or (< .cse2 2147483647) .cse1) (or (< 0 (+ .cse2 2147483648)) .cse1) (<= 0 (+ .cse0 2147483648)))) [2024-11-08 22:20:31,013 INFO L77 FloydHoareUtils]: At program point L555-5(lines 555 558) the Hoare annotation is: (and (not (= |ULTIMATE.start_test_fun_~y_ref~0#1.base| |ULTIMATE.start_test_fun_~x_ref~0#1.base|)) (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|) 2147483648))) [2024-11-08 22:20:31,014 INFO L77 FloydHoareUtils]: At program point L555-6(lines 555 558) the Hoare annotation is: true [2024-11-08 22:20:31,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:20:31 ImpRootNode [2024-11-08 22:20:31,031 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:20:31,032 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:20:31,032 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:20:31,033 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:20:31,034 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:24" (3/4) ... [2024-11-08 22:20:31,037 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:20:31,049 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-08 22:20:31,050 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 22:20:31,050 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 22:20:31,050 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:20:31,190 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:20:31,191 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:20:31,191 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:20:31,192 INFO L158 Benchmark]: Toolchain (without parser) took 7670.98ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 114.6MB in the beginning and 113.2MB in the end (delta: 1.4MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2024-11-08 22:20:31,192 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 159.4MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:20:31,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.45ms. Allocated memory is still 159.4MB. Free memory was 114.6MB in the beginning and 96.1MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:20:31,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.39ms. Allocated memory is still 159.4MB. Free memory was 96.1MB in the beginning and 94.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:20:31,197 INFO L158 Benchmark]: Boogie Preprocessor took 29.15ms. Allocated memory is still 159.4MB. Free memory was 94.4MB in the beginning and 93.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:20:31,197 INFO L158 Benchmark]: RCFGBuilder took 424.92ms. Allocated memory is still 159.4MB. Free memory was 93.0MB in the beginning and 78.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:20:31,198 INFO L158 Benchmark]: CodeCheck took 6462.67ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 78.0MB in the beginning and 117.4MB in the end (delta: -39.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-11-08 22:20:31,198 INFO L158 Benchmark]: Witness Printer took 158.51ms. Allocated memory is still 209.7MB. Free memory was 117.4MB in the beginning and 113.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:20:31,204 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 1 procedures, 13 locations, 4 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, 81 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 140 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 436 IncrementalHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 140 mSolverCounterUnsat, 0 mSDtfsCounter, 436 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 388 GetRequests, 293 SyntacticMatches, 5 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3222 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 4/8 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: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 159.4MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.45ms. Allocated memory is still 159.4MB. Free memory was 114.6MB in the beginning and 96.1MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.39ms. Allocated memory is still 159.4MB. Free memory was 96.1MB in the beginning and 94.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.15ms. Allocated memory is still 159.4MB. Free memory was 94.4MB in the beginning and 93.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 424.92ms. Allocated memory is still 159.4MB. Free memory was 93.0MB in the beginning and 78.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 6462.67ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 78.0MB in the beginning and 117.4MB in the end (delta: -39.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 158.51ms. Allocated memory is still 209.7MB. Free memory was 117.4MB in the beginning and 113.2MB 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! [2024-11-08 22:20:31,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddde56d4-b6f6-4e18-87a5-06d8a2f467fd/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