./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/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_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm --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 de88cb9f8af309bfee7e34496a9472de4d446e8ed690818c0d2fc3e900b2d7c4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:10:02,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:10:02,586 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:10:02,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:10:02,591 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:10:02,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:10:02,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:10:02,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:10:02,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:10:02,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:10:02,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:10:02,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:10:02,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:10:02,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:10:02,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:10:02,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:10:02,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:10:02,623 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:10:02,625 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:10:02,625 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:10:02,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:10:02,625 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:10:02,625 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:10:02,625 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:10:02,625 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:10:02,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:10:02,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:10:02,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:10:02,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:10:02,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:10:02,626 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:10:02,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:10:02,626 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_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/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 ! 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 -> de88cb9f8af309bfee7e34496a9472de4d446e8ed690818c0d2fc3e900b2d7c4 [2024-11-13 21:10:02,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:10:02,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:10:02,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:10:02,974 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:10:02,974 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:10:02,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i Unable to find full path for "g++" [2024-11-13 21:10:04,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:10:05,142 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:10:05,143 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i [2024-11-13 21:10:05,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/data/56c59435f/02e1b39539784e1bb69f3af58a16362f/FLAGbaf88fb70 [2024-11-13 21:10:05,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/data/56c59435f/02e1b39539784e1bb69f3af58a16362f [2024-11-13 21:10:05,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:10:05,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:10:05,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:10:05,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:10:05,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:10:05,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:10:05" (1/1) ... [2024-11-13 21:10:05,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155f9ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:05, skipping insertion in model container [2024-11-13 21:10:05,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:10:05" (1/1) ... [2024-11-13 21:10:05,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:10:05,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:10:05,512 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:10:05,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:10:05,575 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:10:05,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:05 WrapperNode [2024-11-13 21:10:05,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:10:05,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:10:05,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:10:05,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:10:05,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:05" (1/1) ... [2024-11-13 21:10:05,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:05" (1/1) ... [2024-11-13 21:10:05,623 INFO L138 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2024-11-13 21:10:05,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:10:05,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:10:05,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:10:05,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:10:05,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:05" (1/1) ... [2024-11-13 21:10:05,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:05" (1/1) ... [2024-11-13 21:10:05,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:05" (1/1) ... [2024-11-13 21:10:05,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:05" (1/1) ... [2024-11-13 21:10:05,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:05" (1/1) ... [2024-11-13 21:10:05,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:05" (1/1) ... [2024-11-13 21:10:05,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:05" (1/1) ... [2024-11-13 21:10:05,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:05" (1/1) ... [2024-11-13 21:10:05,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:10:05,662 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:10:05,662 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:10:05,663 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:10:05,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:05" (1/1) ... [2024-11-13 21:10:05,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:10:05,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:10:05,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:10:05,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:10:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:10:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:10:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:10:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:10:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:10:05,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:10:05,865 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:10:05,867 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:10:06,004 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 21:10:06,005 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:10:06,057 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:10:06,058 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:10:06,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:10:06 BoogieIcfgContainer [2024-11-13 21:10:06,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:10:06,059 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:10:06,059 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:10:06,071 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:10:06,071 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:10:06" (1/1) ... [2024-11-13 21:10:06,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:10:06,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:06,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 21:10:06,133 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 21:10:06,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 21:10:06,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:06,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:10:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:06,384 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 21:10:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:06,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-13 21:10:06,429 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-13 21:10:06,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:10:06,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:06,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:10:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:06,600 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 21:10:06,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:06,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-13 21:10:06,691 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-13 21:10:06,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:10:06,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:06,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:10:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:06,856 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 21:10:07,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:07,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-13 21:10:07,097 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-13 21:10:07,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:10:07,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:07,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:10:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:07,201 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 21:10:07,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:07,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-13 21:10:07,513 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-13 21:10:07,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:10:07,514 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 21:10:07,526 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 21:10:07,564 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 572) no Hoare annotation was computed. [2024-11-13 21:10:07,566 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:10:07,566 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 573) no Hoare annotation was computed. [2024-11-13 21:10:07,566 INFO L77 FloydHoareUtils]: At program point L572(line 572) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-13 21:10:07,567 INFO L77 FloydHoareUtils]: At program point L572-1(line 572) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-13 21:10:07,567 INFO L77 FloydHoareUtils]: At program point L556(lines 556 557) the Hoare annotation is: true [2024-11-13 21:10:07,567 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:10:07,567 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 572) no Hoare annotation was computed. [2024-11-13 21:10:07,569 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 573) no Hoare annotation was computed. [2024-11-13 21:10:07,570 INFO L77 FloydHoareUtils]: At program point L573(line 573) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-13 21:10:07,570 INFO L77 FloydHoareUtils]: At program point L573-1(line 573) the Hoare annotation is: (< |ULTIMATE.start_main_~length2~0#1| 2147483648) [2024-11-13 21:10:07,570 INFO L77 FloydHoareUtils]: At program point L555-1(lines 555 558) the Hoare annotation is: true [2024-11-13 21:10:07,570 INFO L77 FloydHoareUtils]: At program point L555-3(lines 555 558) the Hoare annotation is: true [2024-11-13 21:10:07,570 INFO L77 FloydHoareUtils]: At program point L555-4(lines 552 559) the Hoare annotation is: true [2024-11-13 21:10:07,570 INFO L77 FloydHoareUtils]: At program point L547(lines 547 560) the Hoare annotation is: true [2024-11-13 21:10:07,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:10:07 ImpRootNode [2024-11-13 21:10:07,580 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:10:07,582 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:10:07,582 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:10:07,582 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:10:07,584 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:10:06" (3/4) ... [2024-11-13 21:10:07,586 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:10:07,595 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 21:10:07,595 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 21:10:07,596 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 21:10:07,596 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:10:07,639 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is null at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:1) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GeneratedWitnessEdge.getSourceCode(GeneratedWitnessEdge.java:156) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.lambda$2(GraphMLCorrectnessWitnessGenerator.java:91) at edu.uci.ics.jung.io.GraphMLWriter.writeEdgeData(GraphMLWriter.java:237) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.UltimateGraphMLWriter.save(UltimateGraphMLWriter.java:106) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.makeGraphMLString(GraphMLCorrectnessWitnessGenerator.java:111) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:168) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:143) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:10:07,650 INFO L158 Benchmark]: Toolchain (without parser) took 2461.88ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 79.9MB in the end (delta: 38.5MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-11-13 21:10:07,650 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:10:07,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.58ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 102.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:10:07,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.43ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 100.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:10:07,651 INFO L158 Benchmark]: Boogie Preprocessor took 37.18ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 99.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:10:07,651 INFO L158 Benchmark]: RCFGBuilder took 396.17ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 85.2MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:10:07,651 INFO L158 Benchmark]: CodeCheck took 1521.05ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 82.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:10:07,652 INFO L158 Benchmark]: Witness Printer took 63.07ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 79.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:10:07,654 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 0 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 573]: 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 0.39ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.58ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 102.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.43ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 100.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.18ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 99.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 396.17ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 85.2MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1521.05ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 82.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.07ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 79.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is null: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:10:07,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/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_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm --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 de88cb9f8af309bfee7e34496a9472de4d446e8ed690818c0d2fc3e900b2d7c4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:10:10,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:10:10,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:10:10,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:10:10,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:10:10,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:10:10,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:10:10,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:10:10,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:10:10,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:10:10,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:10:10,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:10:10,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:10:10,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:10:10,711 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:10:10,711 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:10:10,711 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:10:10,711 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:10:10,711 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:10:10,711 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:10:10,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:10:10,712 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:10:10,712 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:10:10,712 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:10:10,712 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:10:10,712 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:10,712 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:10:10,713 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:10:10,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:10:10,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:10:10,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:10:10,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:10:10,716 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:10:10,716 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:10,717 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:10:10,717 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_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/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 ! 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 -> de88cb9f8af309bfee7e34496a9472de4d446e8ed690818c0d2fc3e900b2d7c4 [2024-11-13 21:10:11,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:10:11,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:10:11,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:10:11,021 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:10:11,022 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:10:11,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i Unable to find full path for "g++" [2024-11-13 21:10:13,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:10:13,324 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:10:13,325 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcspn-alloca-1.i [2024-11-13 21:10:13,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/data/3ce2afee5/36081263da3d46169217004a758cc994/FLAGcdb906eb1 [2024-11-13 21:10:13,354 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/data/3ce2afee5/36081263da3d46169217004a758cc994 [2024-11-13 21:10:13,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:10:13,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:10:13,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:10:13,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:10:13,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:10:13,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:10:13" (1/1) ... [2024-11-13 21:10:13,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fca085b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:13, skipping insertion in model container [2024-11-13 21:10:13,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:10:13" (1/1) ... [2024-11-13 21:10:13,394 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:10:13,720 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 21:10:13,721 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 21:10:13,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:10:13,739 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:10:13,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:10:13,832 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:10:13,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:13 WrapperNode [2024-11-13 21:10:13,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:10:13,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:10:13,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:10:13,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:10:13,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:13" (1/1) ... [2024-11-13 21:10:13,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:13" (1/1) ... [2024-11-13 21:10:13,881 INFO L138 Inliner]: procedures = 112, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2024-11-13 21:10:13,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:10:13,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:10:13,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:10:13,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:10:13,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:13" (1/1) ... [2024-11-13 21:10:13,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:13" (1/1) ... [2024-11-13 21:10:13,897 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:13" (1/1) ... [2024-11-13 21:10:13,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:13" (1/1) ... [2024-11-13 21:10:13,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:13" (1/1) ... [2024-11-13 21:10:13,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:13" (1/1) ... [2024-11-13 21:10:13,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:13" (1/1) ... [2024-11-13 21:10:13,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:13" (1/1) ... [2024-11-13 21:10:13,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:10:13,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:10:13,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:10:13,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:10:13,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:13" (1/1) ... [2024-11-13 21:10:13,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:10:13,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:10:13,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:10:13,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:10:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-13 21:10:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:10:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-13 21:10:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:10:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:10:13,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:10:14,138 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:10:14,141 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:10:14,375 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 21:10:14,375 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:10:14,430 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:10:14,431 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:10:14,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:10:14 BoogieIcfgContainer [2024-11-13 21:10:14,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:10:14,432 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:10:14,432 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:10:14,441 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:10:14,441 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:10:14" (1/1) ... [2024-11-13 21:10:14,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:10:14,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:14,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 21:10:14,509 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 21:10:14,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 21:10:14,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:14,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:14,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:10:14,515 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:10:14,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:10:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:14,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:10:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:14,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:10:14,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:10:14,773 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 21:10:14,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:10:14,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:14,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-13 21:10:14,819 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-13 21:10:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:10:14,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:14,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:14,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:10:14,823 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:10:14,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:10:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:14,927 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:10:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:14,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:10:14,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:10:14,953 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 21:10:14,955 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:10:14,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:10:14,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:14,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-13 21:10:14,962 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-13 21:10:14,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:10:14,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:14,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:14,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:10:14,965 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:10:14,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:10:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:15,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:10:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:15,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:10:15,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:10:15,140 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 21:10:15,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:10:15,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:15,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-13 21:10:15,282 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-13 21:10:15,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:10:15,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:15,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:15,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:10:15,286 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:10:15,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:10:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:15,381 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:10:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:15,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:10:15,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:10:15,412 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 21:10:15,413 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:10:15,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:10:15,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:15,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-13 21:10:15,419 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-13 21:10:15,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:10:15,420 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 21:10:15,432 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 21:10:15,462 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 572) no Hoare annotation was computed. [2024-11-13 21:10:15,463 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:10:15,463 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 573) no Hoare annotation was computed. [2024-11-13 21:10:15,463 INFO L77 FloydHoareUtils]: At program point L572(line 572) the Hoare annotation is: (and (not (bvslt |ULTIMATE.start_main_~length1~0#1| (_ bv1 32))) (not (bvslt |ULTIMATE.start_main_~length2~0#1| (_ bv1 32)))) [2024-11-13 21:10:15,463 INFO L77 FloydHoareUtils]: At program point L572-1(line 572) the Hoare annotation is: (not (bvslt |ULTIMATE.start_main_~length2~0#1| (_ bv1 32))) [2024-11-13 21:10:15,463 INFO L77 FloydHoareUtils]: At program point L556(lines 556 557) the Hoare annotation is: true [2024-11-13 21:10:15,463 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:10:15,463 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 572) no Hoare annotation was computed. [2024-11-13 21:10:15,463 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 573) no Hoare annotation was computed. [2024-11-13 21:10:15,463 INFO L77 FloydHoareUtils]: At program point L573(line 573) the Hoare annotation is: (not (bvslt |ULTIMATE.start_main_~length2~0#1| (_ bv1 32))) [2024-11-13 21:10:15,464 INFO L77 FloydHoareUtils]: At program point L573-1(line 573) the Hoare annotation is: true [2024-11-13 21:10:15,464 INFO L77 FloydHoareUtils]: At program point L555-1(lines 555 558) the Hoare annotation is: true [2024-11-13 21:10:15,464 INFO L77 FloydHoareUtils]: At program point L555-3(lines 555 558) the Hoare annotation is: true [2024-11-13 21:10:15,464 INFO L77 FloydHoareUtils]: At program point L555-4(lines 552 559) the Hoare annotation is: true [2024-11-13 21:10:15,464 INFO L77 FloydHoareUtils]: At program point L547(lines 547 560) the Hoare annotation is: true [2024-11-13 21:10:15,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:10:15 ImpRootNode [2024-11-13 21:10:15,474 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:10:15,475 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:10:15,475 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:10:15,475 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:10:15,476 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:10:14" (3/4) ... [2024-11-13 21:10:15,478 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:10:15,486 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 21:10:15,486 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 21:10:15,487 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 21:10:15,487 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:10:15,525 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is null at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:1) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GeneratedWitnessEdge.getSourceCode(GeneratedWitnessEdge.java:156) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.lambda$2(GraphMLCorrectnessWitnessGenerator.java:91) at edu.uci.ics.jung.io.GraphMLWriter.writeEdgeData(GraphMLWriter.java:237) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.UltimateGraphMLWriter.save(UltimateGraphMLWriter.java:106) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.makeGraphMLString(GraphMLCorrectnessWitnessGenerator.java:111) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:168) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:143) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:10:15,532 INFO L158 Benchmark]: Toolchain (without parser) took 2171.89ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 67.2MB in the end (delta: 24.0MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-13 21:10:15,532 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:10:15,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.87ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 73.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:10:15,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.64ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 72.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:10:15,534 INFO L158 Benchmark]: Boogie Preprocessor took 44.47ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:10:15,535 INFO L158 Benchmark]: RCFGBuilder took 503.76ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 55.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:10:15,535 INFO L158 Benchmark]: CodeCheck took 1042.27ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 69.7MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:10:15,536 INFO L158 Benchmark]: Witness Printer took 54.54ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 67.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:10:15,538 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 8 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 108 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 573]: 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 0.58ms. Allocated memory is still 117.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.87ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 73.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.64ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 72.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.47ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 503.76ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 55.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1042.27ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 69.7MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 54.54ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 67.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is null: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:10:15,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d4cf1e-fa22-4e26-8a3c-aa2eb6a1c57f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is null