./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcat-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_69062d0e-efd1-4793-83ab-43682463a3e6/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69062d0e-efd1-4793-83ab-43682463a3e6/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_69062d0e-efd1-4793-83ab-43682463a3e6/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69062d0e-efd1-4793-83ab-43682463a3e6/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcat-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69062d0e-efd1-4793-83ab-43682463a3e6/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_69062d0e-efd1-4793-83ab-43682463a3e6/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 9e9fee7822ea181968af00cc75a840ddcb8cdf140cdf423bd35cdb5d3f0e2f5d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:07:49,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:07:49,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69062d0e-efd1-4793-83ab-43682463a3e6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:07:49,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:07:49,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:07:49,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:07:49,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:07:49,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:07:49,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:07:49,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:07:49,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:07:49,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:07:49,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:07:49,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:07:49,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:07:49,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:07:49,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:07:49,711 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:07:49,711 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:07:49,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:07:49,712 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:07:49,712 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:07:49,712 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:07:49,712 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:07:49,712 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:07:49,713 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:07:49,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:07:49,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:07:49,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:07:49,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:07:49,713 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:07:49,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:07:49,713 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_69062d0e-efd1-4793-83ab-43682463a3e6/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 -> 9e9fee7822ea181968af00cc75a840ddcb8cdf140cdf423bd35cdb5d3f0e2f5d [2024-11-25 04:07:50,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:07:50,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:07:50,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:07:50,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:07:50,046 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:07:50,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69062d0e-efd1-4793-83ab-43682463a3e6/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcat-alloca-1.i [2024-11-25 04:07:53,011 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69062d0e-efd1-4793-83ab-43682463a3e6/bin/ukojak-verify-ENZ3QT5qd3/data/065abf0a5/445a2c312f8c4373a8bd5cd6c7e497a9/FLAG962fb8c2f [2024-11-25 04:07:53,334 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:07:53,335 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69062d0e-efd1-4793-83ab-43682463a3e6/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcat-alloca-1.i [2024-11-25 04:07:53,350 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69062d0e-efd1-4793-83ab-43682463a3e6/bin/ukojak-verify-ENZ3QT5qd3/data/065abf0a5/445a2c312f8c4373a8bd5cd6c7e497a9/FLAG962fb8c2f [2024-11-25 04:07:53,364 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69062d0e-efd1-4793-83ab-43682463a3e6/bin/ukojak-verify-ENZ3QT5qd3/data/065abf0a5/445a2c312f8c4373a8bd5cd6c7e497a9 [2024-11-25 04:07:53,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:07:53,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:07:53,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:07:53,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:07:53,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:07:53,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:07:53" (1/1) ... [2024-11-25 04:07:53,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ccf4ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:07:53, skipping insertion in model container [2024-11-25 04:07:53,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:07:53" (1/1) ... [2024-11-25 04:07:53,405 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:07:53,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:07:53,687 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:07:53,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:07:53,792 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:07:53,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:07:53 WrapperNode [2024-11-25 04:07:53,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:07:53,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:07:53,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:07:53,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:07:53,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:07:53" (1/1) ... [2024-11-25 04:07:53,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:07:53" (1/1) ... [2024-11-25 04:07:53,831 INFO L138 Inliner]: procedures = 111, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-11-25 04:07:53,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:07:53,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:07:53,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:07:53,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:07:53,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:07:53" (1/1) ... [2024-11-25 04:07:53,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:07:53" (1/1) ... [2024-11-25 04:07:53,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:07:53" (1/1) ... [2024-11-25 04:07:53,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:07:53" (1/1) ... [2024-11-25 04:07:53,847 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:07:53" (1/1) ... [2024-11-25 04:07:53,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:07:53" (1/1) ... [2024-11-25 04:07:53,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:07:53" (1/1) ... [2024-11-25 04:07:53,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:07:53" (1/1) ... [2024-11-25 04:07:53,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:07:53" (1/1) ... [2024-11-25 04:07:53,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:07:53,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:07:53,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:07:53,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:07:53,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:07:53" (1/1) ... [2024-11-25 04:07:53,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:07:53,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69062d0e-efd1-4793-83ab-43682463a3e6/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:07:53,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69062d0e-efd1-4793-83ab-43682463a3e6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:07:53,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69062d0e-efd1-4793-83ab-43682463a3e6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:07:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 04:07:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:07:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:07:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:07:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:07:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:07:54,022 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:07:54,024 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:07:54,179 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-25 04:07:54,179 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:07:54,231 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:07:54,231 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:07:54,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:07:54 BoogieIcfgContainer [2024-11-25 04:07:54,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:07:54,233 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:07:54,233 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:07:54,243 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:07:54,243 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:07:54" (1/1) ... [2024-11-25 04:07:54,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:07:54,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:54,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-11-25 04:07:54,304 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-25 04:07:54,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 04:07:54,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:54,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:07:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:54,606 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 04:07:54,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:54,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-25 04:07:54,639 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-25 04:07:54,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:07:54,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:54,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:07:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:54,808 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 04:07:54,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-25 04:07:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-25 04:07:54,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:07:54,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:54,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:07:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:54,993 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 04:07:55,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:55,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 04:07:55,249 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 04:07:55,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:07:55,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:55,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:07:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:55,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:55,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-25 04:07:55,766 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-25 04:07:55,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:07:55,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:55,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:07:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:55,899 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 04:07:56,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:56,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-25 04:07:56,456 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-25 04:07:56,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:07:56,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:56,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:07:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:56,581 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 04:07:57,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:57,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-25 04:07:57,337 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-25 04:07:57,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:07:57,338 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-25 04:07:57,352 INFO L726 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2024-11-25 04:07:57,423 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 571) no Hoare annotation was computed. [2024-11-25 04:07:57,424 INFO L77 FloydHoareUtils]: At program point L572(line 572) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-11-25 04:07:57,424 INFO L77 FloydHoareUtils]: At program point L572-1(line 572) the Hoare annotation is: (< |ULTIMATE.start_main_~length3~0#1| 2147483648) [2024-11-25 04:07:57,424 INFO L77 FloydHoareUtils]: At program point L568(line 568) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (< |ULTIMATE.start_main_~length2~0#1| (+ 2147483647 |ULTIMATE.start_main_~length3~0#1|)) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-11-25 04:07:57,424 INFO L77 FloydHoareUtils]: At program point L568-1(line 568) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-11-25 04:07:57,424 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 555 575) the Hoare annotation is: true [2024-11-25 04:07:57,424 INFO L77 FloydHoareUtils]: At program point L552(line 552) the Hoare annotation is: true [2024-11-25 04:07:57,424 INFO L77 FloydHoareUtils]: At program point L552-1(line 552) the Hoare annotation is: true [2024-11-25 04:07:57,425 INFO L77 FloydHoareUtils]: At program point L552-3(line 552) the Hoare annotation is: true [2024-11-25 04:07:57,425 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 568) no Hoare annotation was computed. [2024-11-25 04:07:57,425 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 572) no Hoare annotation was computed. [2024-11-25 04:07:57,425 INFO L77 FloydHoareUtils]: At program point L565-1(lines 565 567) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length3~0#1| (+ |ULTIMATE.start_main_~length2~0#1| 2147483646)) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (< |ULTIMATE.start_main_~length2~0#1| (+ 2147483647 |ULTIMATE.start_main_~length3~0#1|)) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-11-25 04:07:57,425 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 568) no Hoare annotation was computed. [2024-11-25 04:07:57,425 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:07:57,425 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 572) no Hoare annotation was computed. [2024-11-25 04:07:57,426 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:07:57,426 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 571) no Hoare annotation was computed. [2024-11-25 04:07:57,426 INFO L77 FloydHoareUtils]: At program point L571(line 571) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-11-25 04:07:57,426 INFO L77 FloydHoareUtils]: At program point L571-1(line 571) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (< |ULTIMATE.start_main_~length3~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length3~0#1|)) [2024-11-25 04:07:57,426 INFO L77 FloydHoareUtils]: At program point L551-1(line 551) the Hoare annotation is: true [2024-11-25 04:07:57,426 INFO L77 FloydHoareUtils]: At program point L551-4(line 551) the Hoare annotation is: true [2024-11-25 04:07:57,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:07:57 ImpRootNode [2024-11-25 04:07:57,439 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:07:57,440 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:07:57,440 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:07:57,440 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:07:57,441 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:07:54" (3/4) ... [2024-11-25 04:07:57,443 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:07:57,450 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 04:07:57,451 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 04:07:57,451 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 04:07:57,451 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:07:57,542 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69062d0e-efd1-4793-83ab-43682463a3e6/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:07:57,545 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69062d0e-efd1-4793-83ab-43682463a3e6/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:07:57,545 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:07:57,547 INFO L158 Benchmark]: Toolchain (without parser) took 4178.31ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.4MB in the beginning and 253.1MB in the end (delta: -160.7MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2024-11-25 04:07:57,547 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:07:57,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.46ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 75.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:07:57,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.33ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 74.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:07:57,548 INFO L158 Benchmark]: Boogie Preprocessor took 22.57ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 73.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:07:57,548 INFO L158 Benchmark]: RCFGBuilder took 376.52ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 57.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:07:57,548 INFO L158 Benchmark]: CodeCheck took 3206.73ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 57.8MB in the beginning and 257.8MB in the end (delta: -200.0MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-11-25 04:07:57,549 INFO L158 Benchmark]: Witness Printer took 105.68ms. Allocated memory is still 352.3MB. Free memory was 257.8MB in the beginning and 253.1MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:07:57,552 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, 21 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 99 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 99 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 345 IncrementalHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 0 mSDtfsCounter, 345 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1898 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 568]: 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 - PositiveResult [Line: 572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.46ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 75.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.33ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 74.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.57ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 73.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 376.52ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 57.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3206.73ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 57.8MB in the beginning and 257.8MB in the end (delta: -200.0MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Witness Printer took 105.68ms. Allocated memory is still 352.3MB. Free memory was 257.8MB in the beginning and 253.1MB 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 04:07:57,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69062d0e-efd1-4793-83ab-43682463a3e6/bin/ukojak-verify-ENZ3QT5qd3/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