./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/cstrpbrk_reverse_alloca.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_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/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_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/cstrpbrk_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/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_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/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 b6d1b460be78c3f5e029d54d0a7fa22600d3741ab7318d086bc890d48e08ce26 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:26:20,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:26:20,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:26:20,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:26:20,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:26:20,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:26:20,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:26:20,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:26:20,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:26:20,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:26:20,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:26:20,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:26:20,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:26:20,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:26:20,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:26:20,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:26:20,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:26:20,724 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:26:20,724 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:26:20,724 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:26:20,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:26:20,724 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:26:20,725 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:26:20,725 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:26:20,725 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:26:20,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:26:20,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:26:20,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:26:20,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:26:20,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:26:20,725 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:26:20,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:26:20,725 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_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/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 -> b6d1b460be78c3f5e029d54d0a7fa22600d3741ab7318d086bc890d48e08ce26 [2024-11-13 21:26:21,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:26:21,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:26:21,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:26:21,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:26:21,058 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:26:21,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-15/cstrpbrk_reverse_alloca.i Unable to find full path for "g++" [2024-11-13 21:26:22,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:26:23,302 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:26:23,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/sv-benchmarks/c/termination-15/cstrpbrk_reverse_alloca.i [2024-11-13 21:26:23,313 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/bin/ukojak-verify-EEHR8qb7sm/data/b8075e2a7/52295895cf734092848a885578bf14eb/FLAG6f8ac9690 [2024-11-13 21:26:23,328 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/bin/ukojak-verify-EEHR8qb7sm/data/b8075e2a7/52295895cf734092848a885578bf14eb [2024-11-13 21:26:23,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:26:23,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:26:23,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:26:23,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:26:23,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:26:23,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:26:23" (1/1) ... [2024-11-13 21:26:23,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@137f0ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:23, skipping insertion in model container [2024-11-13 21:26:23,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:26:23" (1/1) ... [2024-11-13 21:26:23,385 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:26:23,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:26:23,704 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:26:23,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:26:23,805 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:26:23,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:23 WrapperNode [2024-11-13 21:26:23,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:26:23,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:26:23,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:26:23,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:26:23,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:23" (1/1) ... [2024-11-13 21:26:23,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:23" (1/1) ... [2024-11-13 21:26:23,840 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2024-11-13 21:26:23,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:26:23,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:26:23,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:26:23,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:26:23,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:23" (1/1) ... [2024-11-13 21:26:23,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:23" (1/1) ... [2024-11-13 21:26:23,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:23" (1/1) ... [2024-11-13 21:26:23,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:23" (1/1) ... [2024-11-13 21:26:23,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:23" (1/1) ... [2024-11-13 21:26:23,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:23" (1/1) ... [2024-11-13 21:26:23,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:23" (1/1) ... [2024-11-13 21:26:23,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:23" (1/1) ... [2024-11-13 21:26:23,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:26:23,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:26:23,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:26:23,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:26:23,865 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:26:23" (1/1) ... [2024-11-13 21:26:23,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:26:23,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:26:23,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:26:23,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:26:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:26:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:26:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:26:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:26:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:26:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:26:24,040 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:26:24,043 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:26:24,261 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-13 21:26:24,261 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:26:24,357 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:26:24,361 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:26:24,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:26:24 BoogieIcfgContainer [2024-11-13 21:26:24,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:26:24,362 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:26:24,362 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:26:24,374 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:26:24,374 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:26:24" (1/1) ... [2024-11-13 21:26:24,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:26:24,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:24,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-13 21:26:24,452 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 21:26:24,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 21:26:24,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:24,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:24,789 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 21:26:24,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:24,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 21:26:24,833 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 21:26:24,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:26:24,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:24,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:24,987 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 21:26:25,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:25,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-13 21:26:25,072 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-13 21:26:25,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:26:25,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:25,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:25,272 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 21:26:25,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:25,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-13 21:26:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-13 21:26:25,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:26:25,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:25,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:25,611 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 21:26:25,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:25,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 21:26:25,922 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 21:26:25,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:26:25,923 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 21:26:25,932 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 21:26:25,979 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 393) no Hoare annotation was computed. [2024-11-13 21:26:25,981 INFO L77 FloydHoareUtils]: At program point L374(lines 374 375) the Hoare annotation is: true [2024-11-13 21:26:25,982 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 392) no Hoare annotation was computed. [2024-11-13 21:26:25,982 INFO L77 FloydHoareUtils]: At program point L392(line 392) 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 21:26:25,983 INFO L77 FloydHoareUtils]: At program point L392-1(line 392) 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 21:26:25,983 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 392) no Hoare annotation was computed. [2024-11-13 21:26:25,984 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:26:25,984 INFO L77 FloydHoareUtils]: At program point cstrpbrk_returnLabel#1(lines 364 378) the Hoare annotation is: true [2024-11-13 21:26:25,984 INFO L77 FloydHoareUtils]: At program point L372-3(lines 372 373) the Hoare annotation is: true [2024-11-13 21:26:25,988 INFO L77 FloydHoareUtils]: At program point L372-5(lines 372 373) the Hoare annotation is: true [2024-11-13 21:26:25,988 INFO L77 FloydHoareUtils]: At program point L372-6(lines 372 373) the Hoare annotation is: true [2024-11-13 21:26:25,988 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:26:25,988 INFO L77 FloydHoareUtils]: At program point L393(line 393) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-13 21:26:25,989 INFO L77 FloydHoareUtils]: At program point L393-1(line 393) the Hoare annotation is: (< |ULTIMATE.start_main_~length2~0#1| 2147483648) [2024-11-13 21:26:25,989 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 393) no Hoare annotation was computed. [2024-11-13 21:26:25,989 INFO L77 FloydHoareUtils]: At program point L369-1(lines 369 376) the Hoare annotation is: true [2024-11-13 21:26:25,989 INFO L77 FloydHoareUtils]: At program point L369-3(lines 369 376) the Hoare annotation is: true [2024-11-13 21:26:25,989 INFO L77 FloydHoareUtils]: At program point L369-4(lines 369 376) the Hoare annotation is: true [2024-11-13 21:26:25,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:26:25 ImpRootNode [2024-11-13 21:26:26,000 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:26:26,002 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:26:26,002 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:26:26,002 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:26:26,003 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:26:24" (3/4) ... [2024-11-13 21:26:26,006 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:26:26,014 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 21:26:26,015 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 21:26:26,016 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 21:26:26,016 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:26:26,091 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:26:26,091 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:26:26,091 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:26:26,093 INFO L158 Benchmark]: Toolchain (without parser) took 2760.49ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 45.0MB in the end (delta: 47.0MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-11-13 21:26:26,093 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:26:26,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.08ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 73.7MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:26:26,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.19ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 72.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:26:26,094 INFO L158 Benchmark]: Boogie Preprocessor took 21.84ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 71.0MB in the end (delta: 993.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:26:26,095 INFO L158 Benchmark]: RCFGBuilder took 497.73ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 55.6MB in the end (delta: 15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:26:26,095 INFO L158 Benchmark]: CodeCheck took 1637.65ms. Allocated memory is still 117.4MB. Free memory was 55.6MB in the beginning and 49.9MB in the end (delta: 5.7MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-13 21:26:26,095 INFO L158 Benchmark]: Witness Printer took 89.63ms. Allocated memory is still 117.4MB. Free memory was 49.9MB in the beginning and 45.0MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:26:26,098 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: 1.5s, 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, 0.2s 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, 0.6s 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 - PositiveResult [Line: 392]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 392]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 393]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 393]: 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 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.08ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 73.7MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.19ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 72.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.84ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 71.0MB in the end (delta: 993.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 497.73ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 55.6MB in the end (delta: 15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1637.65ms. Allocated memory is still 117.4MB. Free memory was 55.6MB in the beginning and 49.9MB in the end (delta: 5.7MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Witness Printer took 89.63ms. Allocated memory is still 117.4MB. Free memory was 49.9MB in the beginning and 45.0MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:26:26,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0839e31-c7dc-46af-9e3b-591e8ab3c1cc/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: TRUE