./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3 --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 5142bd1a70b277e6c0e9690abed85caa4ceacf811cc7ce059063d386607411a7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:11:05,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:11:05,474 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:11:05,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:11:05,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:11:05,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:11:05,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:11:05,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:11:05,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:11:05,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:11:05,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:11:05,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:11:05,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:11:05,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:11:05,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:11:05,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:11:05,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:11:05,518 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:11:05,519 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:11:05,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:11:05,519 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:11:05,519 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:11:05,519 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:11:05,520 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:11:05,520 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:11:05,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:11:05,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:11:05,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:11:05,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:11:05,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:11:05,521 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:11:05,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:11:05,521 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_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3 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 -> 5142bd1a70b277e6c0e9690abed85caa4ceacf811cc7ce059063d386607411a7 [2024-11-25 02:11:05,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:11:05,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:11:05,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:11:05,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:11:05,929 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:11:05,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i [2024-11-25 02:11:08,954 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3/data/85a477bbb/b09a75a4dc2d4d2b907a144936be8d2d/FLAG512b64109 [2024-11-25 02:11:09,323 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:11:09,324 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i [2024-11-25 02:11:09,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3/data/85a477bbb/b09a75a4dc2d4d2b907a144936be8d2d/FLAG512b64109 [2024-11-25 02:11:09,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3/data/85a477bbb/b09a75a4dc2d4d2b907a144936be8d2d [2024-11-25 02:11:09,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:11:09,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:11:09,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:11:09,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:11:09,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:11:09,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:11:09" (1/1) ... [2024-11-25 02:11:09,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1447b0fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:09, skipping insertion in model container [2024-11-25 02:11:09,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:11:09" (1/1) ... [2024-11-25 02:11:09,419 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:11:09,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:11:09,807 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:11:09,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:11:09,884 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:11:09,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:09 WrapperNode [2024-11-25 02:11:09,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:11:09,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:11:09,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:11:09,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:11:09,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:09" (1/1) ... [2024-11-25 02:11:09,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:09" (1/1) ... [2024-11-25 02:11:09,936 INFO L138 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2024-11-25 02:11:09,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:11:09,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:11:09,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:11:09,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:11:09,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:09" (1/1) ... [2024-11-25 02:11:09,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:09" (1/1) ... [2024-11-25 02:11:09,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:09" (1/1) ... [2024-11-25 02:11:09,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:09" (1/1) ... [2024-11-25 02:11:09,963 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:09" (1/1) ... [2024-11-25 02:11:09,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:09" (1/1) ... [2024-11-25 02:11:09,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:09" (1/1) ... [2024-11-25 02:11:09,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:09" (1/1) ... [2024-11-25 02:11:09,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:09" (1/1) ... [2024-11-25 02:11:09,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:11:09,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:11:09,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:11:09,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:11:09,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:11:09" (1/1) ... [2024-11-25 02:11:09,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:11:10,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:11:10,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:11:10,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:11:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 02:11:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 02:11:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:11:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:11:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:11:10,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:11:10,213 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:11:10,216 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:11:10,455 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-25 02:11:10,455 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:11:10,511 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:11:10,511 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:11:10,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:11:10 BoogieIcfgContainer [2024-11-25 02:11:10,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:11:10,512 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:11:10,512 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:11:10,523 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:11:10,524 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:11:10" (1/1) ... [2024-11-25 02:11:10,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:11:10,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:11:10,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 02:11:10,590 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 02:11:10,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 02:11:10,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:11:10,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:11:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:11:10,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:11:10,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:11:10,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-25 02:11:10,992 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-25 02:11:10,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:11:10,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:11:10,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:11:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:11:11,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:11:11,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:11:11,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-25 02:11:11,305 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-25 02:11:11,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:11:11,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:11:11,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:11:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:11:11,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:11:11,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:11:11,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-25 02:11:11,699 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-25 02:11:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:11:11,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:11:11,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:11:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:11:11,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:11:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:11:12,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-25 02:11:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-25 02:11:12,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:11:12,223 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-25 02:11:12,238 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 02:11:12,292 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 574) no Hoare annotation was computed. [2024-11-25 02:11:12,292 INFO L77 FloydHoareUtils]: At program point L552-1(lines 552 559) the Hoare annotation is: true [2024-11-25 02:11:12,292 INFO L77 FloydHoareUtils]: At program point L552-4(lines 552 559) the Hoare annotation is: true [2024-11-25 02:11:12,292 INFO L77 FloydHoareUtils]: At program point L552-5(lines 552 559) the Hoare annotation is: true [2024-11-25 02:11:12,292 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 573) no Hoare annotation was computed. [2024-11-25 02:11:12,293 INFO L77 FloydHoareUtils]: At program point L573(line 573) 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|)) [2024-11-25 02:11:12,293 INFO L77 FloydHoareUtils]: At program point L573-1(line 573) 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|)) [2024-11-25 02:11:12,293 INFO L77 FloydHoareUtils]: At program point L557(lines 557 558) the Hoare annotation is: true [2024-11-25 02:11:12,293 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 573) no Hoare annotation was computed. [2024-11-25 02:11:12,293 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:11:12,293 INFO L77 FloydHoareUtils]: At program point L574(line 574) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-25 02:11:12,293 INFO L77 FloydHoareUtils]: At program point L574-1(line 574) the Hoare annotation is: (< |ULTIMATE.start_main_~length2~0#1| 2147483648) [2024-11-25 02:11:12,294 INFO L77 FloydHoareUtils]: At program point cstrpbrk_returnLabel#1(lines 547 561) the Hoare annotation is: true [2024-11-25 02:11:12,294 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:11:12,294 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 574) no Hoare annotation was computed. [2024-11-25 02:11:12,294 INFO L77 FloydHoareUtils]: At program point L555-3(lines 555 556) the Hoare annotation is: true [2024-11-25 02:11:12,294 INFO L77 FloydHoareUtils]: At program point L555-6(lines 555 556) the Hoare annotation is: true [2024-11-25 02:11:12,294 INFO L77 FloydHoareUtils]: At program point L555-7(lines 555 556) the Hoare annotation is: true [2024-11-25 02:11:12,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:11:12 ImpRootNode [2024-11-25 02:11:12,305 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:11:12,307 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:11:12,307 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:11:12,308 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:11:12,308 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:11:10" (3/4) ... [2024-11-25 02:11:12,311 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:11:12,319 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 02:11:12,319 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 02:11:12,319 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 02:11:12,320 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:11:12,410 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:11:12,410 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:11:12,410 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:11:12,411 INFO L158 Benchmark]: Toolchain (without parser) took 3036.63ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 75.8MB in the end (delta: 42.9MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-11-25 02:11:12,412 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:11:12,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.64ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 102.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:11:12,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.48ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 100.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:11:12,413 INFO L158 Benchmark]: Boogie Preprocessor took 44.52ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 99.7MB in the end (delta: 957.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:11:12,413 INFO L158 Benchmark]: RCFGBuilder took 526.74ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 83.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:11:12,413 INFO L158 Benchmark]: CodeCheck took 1792.88ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 80.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-25 02:11:12,414 INFO L158 Benchmark]: Witness Printer took 103.04ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 75.8MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:11:12,420 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, 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, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s 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, ConComCheckerStatistics: No data available - 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 - PositiveResult [Line: 574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 574]: 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 0.44ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.64ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 102.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.48ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 100.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.52ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 99.7MB in the end (delta: 957.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 526.74ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 83.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1792.88ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 80.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Witness Printer took 103.04ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 75.8MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:11:12,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb14930-ba48-4c98-a1fb-630010c5283c/bin/ukojak-verify-ENZ3QT5qd3/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: TRUE