./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrspn-alloca-1.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_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/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_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrspn-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/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_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/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 e3b4fa4839d843c17aca38b087d008ecb7fb2a74ec53840f4a61df0dde2a3794 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:23:51,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:23:52,021 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:23:52,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:23:52,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:23:52,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:23:52,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:23:52,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:23:52,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:23:52,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:23:52,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:23:52,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:23:52,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:23:52,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:23:52,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:23:52,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:23:52,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:23:52,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:23:52,083 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:23:52,083 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:23:52,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:23:52,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:23:52,090 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:23:52,090 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:23:52,091 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:23:52,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:23:52,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:23:52,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:23:52,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:23:52,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:23:52,093 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:23:52,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:23:52,094 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_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3b4fa4839d843c17aca38b087d008ecb7fb2a74ec53840f4a61df0dde2a3794 [2024-11-08 23:23:52,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:23:52,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:23:52,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:23:52,466 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:23:52,467 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:23:52,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrspn-alloca-1.i Unable to find full path for "g++" [2024-11-08 23:23:54,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:23:55,203 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:23:55,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrspn-alloca-1.i [2024-11-08 23:23:55,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/bin/ukojak-verify-ImItNfHLgk/data/3f47176da/d41ae6b6a58b4bc1bd7f294a1edea72e/FLAGaa8cdab33 [2024-11-08 23:23:55,522 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/bin/ukojak-verify-ImItNfHLgk/data/3f47176da/d41ae6b6a58b4bc1bd7f294a1edea72e [2024-11-08 23:23:55,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:23:55,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:23:55,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:23:55,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:23:55,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:23:55,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:23:55" (1/1) ... [2024-11-08 23:23:55,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e0559d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:55, skipping insertion in model container [2024-11-08 23:23:55,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:23:55" (1/1) ... [2024-11-08 23:23:55,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:23:56,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:23:56,102 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:23:56,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:23:56,193 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:23:56,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56 WrapperNode [2024-11-08 23:23:56,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:23:56,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:23:56,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:23:56,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:23:56,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,237 INFO L138 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2024-11-08 23:23:56,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:23:56,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:23:56,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:23:56,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:23:56,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:23:56,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:23:56,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:23:56,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:23:56,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:23:56,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:23:56,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:23:56,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:23:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:23:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:23:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:23:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:23:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:23:56,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:23:56,491 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:23:56,494 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:23:56,692 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-08 23:23:56,692 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:23:56,763 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:23:56,763 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:23:56,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:23:56 BoogieIcfgContainer [2024-11-08 23:23:56,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:23:56,765 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:23:56,766 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:23:56,780 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:23:56,781 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:23:56,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:56,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 23:23:56,870 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 23:23:56,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-08 23:23:56,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:56,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:23:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:57,334 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 23:23:57,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:57,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-08 23:23:57,394 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-08 23:23:57,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:23:57,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:57,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:23:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:57,621 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 23:23:57,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:57,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-08 23:23:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-08 23:23:57,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:23:57,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:57,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:23:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:57,934 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 23:23:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:58,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 23:23:58,204 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 23:23:58,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:23:58,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:58,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:23:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:58,308 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 23:23:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:58,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-08 23:23:58,669 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-08 23:23:58,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:23:58,669 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-08 23:23:58,683 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-08 23:23:58,726 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 570) no Hoare annotation was computed. [2024-11-08 23:23:58,726 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:23:58,727 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 571) no Hoare annotation was computed. [2024-11-08 23:23:58,727 INFO L77 FloydHoareUtils]: At program point L570(line 570) 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|)) [2024-11-08 23:23:58,727 INFO L77 FloydHoareUtils]: At program point L570-1(line 570) 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|)) [2024-11-08 23:23:58,728 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:23:58,728 INFO L77 FloydHoareUtils]: At program point L554-1(lines 554 556) the Hoare annotation is: true [2024-11-08 23:23:58,728 INFO L77 FloydHoareUtils]: At program point L552(lines 549 558) the Hoare annotation is: true [2024-11-08 23:23:58,728 INFO L77 FloydHoareUtils]: At program point L554-3(lines 554 556) the Hoare annotation is: true [2024-11-08 23:23:58,729 INFO L77 FloydHoareUtils]: At program point L554-4(lines 554 556) the Hoare annotation is: true [2024-11-08 23:23:58,729 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 570) no Hoare annotation was computed. [2024-11-08 23:23:58,730 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 571) no Hoare annotation was computed. [2024-11-08 23:23:58,730 INFO L77 FloydHoareUtils]: At program point L571(line 571) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-08 23:23:58,730 INFO L77 FloydHoareUtils]: At program point L571-1(line 571) the Hoare annotation is: (< |ULTIMATE.start_main_~length2~0#1| 2147483648) [2024-11-08 23:23:58,730 INFO L77 FloydHoareUtils]: At program point L555(lines 555 556) the Hoare annotation is: true [2024-11-08 23:23:58,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:23:58 ImpRootNode [2024-11-08 23:23:58,745 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:23:58,747 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:23:58,748 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:23:58,748 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:23:58,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:23:56" (3/4) ... [2024-11-08 23:23:58,752 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:23:58,764 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 23:23:58,764 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 23:23:58,765 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 23:23:58,765 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:23:58,906 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:23:58,906 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:23:58,906 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:23:58,907 INFO L158 Benchmark]: Toolchain (without parser) took 3380.49ms. Allocated memory is still 180.4MB. Free memory was 145.6MB in the beginning and 56.9MB in the end (delta: 88.7MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2024-11-08 23:23:58,908 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:23:58,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.96ms. Allocated memory is still 180.4MB. Free memory was 145.6MB in the beginning and 139.8MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:23:58,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.35ms. Allocated memory is still 180.4MB. Free memory was 139.8MB in the beginning and 137.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:23:58,909 INFO L158 Benchmark]: Boogie Preprocessor took 31.61ms. Allocated memory is still 180.4MB. Free memory was 137.7MB in the beginning and 135.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:23:58,910 INFO L158 Benchmark]: RCFGBuilder took 493.46ms. Allocated memory is still 180.4MB. Free memory was 135.6MB in the beginning and 119.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:23:58,910 INFO L158 Benchmark]: CodeCheck took 1979.44ms. Allocated memory is still 180.4MB. Free memory was 119.9MB in the beginning and 62.2MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-08 23:23:58,911 INFO L158 Benchmark]: Witness Printer took 159.09ms. Allocated memory is still 180.4MB. Free memory was 62.2MB in the beginning and 56.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:23:58,913 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: 1.9s, 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, 0.7s 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: 570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 571]: 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 0.19ms. Allocated memory is still 115.3MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 664.96ms. Allocated memory is still 180.4MB. Free memory was 145.6MB in the beginning and 139.8MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.35ms. Allocated memory is still 180.4MB. Free memory was 139.8MB in the beginning and 137.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.61ms. Allocated memory is still 180.4MB. Free memory was 137.7MB in the beginning and 135.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.46ms. Allocated memory is still 180.4MB. Free memory was 135.6MB in the beginning and 119.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1979.44ms. Allocated memory is still 180.4MB. Free memory was 119.9MB in the beginning and 62.2MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 159.09ms. Allocated memory is still 180.4MB. Free memory was 62.2MB in the beginning and 56.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:23:58,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3372fc-e084-41a1-bfcb-ef9d8e57a70d/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