./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/subseq-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_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b --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 ae37599e398d4579dc13aa902332f9c984a4acd0674bb835a0d1e4887393314e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:16:22,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:16:22,738 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 02:16:22,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:16:22,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:16:22,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:16:22,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:16:22,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:16:22,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:16:22,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:16:22,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:16:22,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:16:22,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:16:22,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:16:22,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:16:22,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:16:22,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:16:22,763 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:16:22,763 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:16:22,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:16:22,763 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:16:22,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:16:22,764 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:16:22,764 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:16:22,764 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:16:22,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:16:22,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:16:22,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:16:22,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:16:22,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:16:22,764 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:16:22,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:16:22,765 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_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b 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 -> ae37599e398d4579dc13aa902332f9c984a4acd0674bb835a0d1e4887393314e [2024-12-06 02:16:22,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:16:22,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:16:22,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:16:22,986 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:16:22,986 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:16:22,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i [2024-12-06 02:16:25,579 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b/data/c3a633b7e/aaf71aeef28e43cb94140bb1052ac5a2/FLAG3ffe0cc1f [2024-12-06 02:16:25,812 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:16:25,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i [2024-12-06 02:16:25,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b/data/c3a633b7e/aaf71aeef28e43cb94140bb1052ac5a2/FLAG3ffe0cc1f [2024-12-06 02:16:25,837 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b/data/c3a633b7e/aaf71aeef28e43cb94140bb1052ac5a2 [2024-12-06 02:16:25,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:16:25,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:16:25,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:16:25,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:16:25,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:16:25,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:16:25" (1/1) ... [2024-12-06 02:16:25,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37de22c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:16:25, skipping insertion in model container [2024-12-06 02:16:25,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:16:25" (1/1) ... [2024-12-06 02:16:25,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:16:26,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:16:26,097 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:16:26,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:16:26,149 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:16:26,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:16:26 WrapperNode [2024-12-06 02:16:26,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:16:26,150 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:16:26,150 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:16:26,150 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:16:26,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:16:26" (1/1) ... [2024-12-06 02:16:26,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:16:26" (1/1) ... [2024-12-06 02:16:26,184 INFO L138 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2024-12-06 02:16:26,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:16:26,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:16:26,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:16:26,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:16:26,192 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:16:26" (1/1) ... [2024-12-06 02:16:26,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:16:26" (1/1) ... [2024-12-06 02:16:26,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:16:26" (1/1) ... [2024-12-06 02:16:26,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:16:26" (1/1) ... [2024-12-06 02:16:26,199 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:16:26" (1/1) ... [2024-12-06 02:16:26,200 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:16:26" (1/1) ... [2024-12-06 02:16:26,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:16:26" (1/1) ... [2024-12-06 02:16:26,204 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:16:26" (1/1) ... [2024-12-06 02:16:26,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:16:26" (1/1) ... [2024-12-06 02:16:26,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:16:26,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:16:26,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:16:26,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:16:26,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:16:26" (1/1) ... [2024-12-06 02:16:26,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:16:26,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:16:26,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:16:26,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:16:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:16:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:16:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:16:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:16:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:16:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:16:26,351 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:16:26,353 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:16:26,473 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 02:16:26,473 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:16:26,535 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:16:26,536 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:16:26,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:16:26 BoogieIcfgContainer [2024-12-06 02:16:26,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:16:26,537 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:16:26,537 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:16:26,544 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:16:26,544 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:16:26" (1/1) ... [2024-12-06 02:16:26,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:16:26,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-06 02:16:26,587 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-06 02:16:26,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 02:16:26,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:26,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:16:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:26,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:16:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:26,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-06 02:16:26,795 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-06 02:16:26,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:16:26,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:26,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:16:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:16:26,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:26,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-12-06 02:16:26,931 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-12-06 02:16:26,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:16:26,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:26,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:16:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:27,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:16:27,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:27,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-12-06 02:16:27,176 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-12-06 02:16:27,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:16:27,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:27,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:16:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:16:27,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:27,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2024-12-06 02:16:27,457 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-12-06 02:16:27,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:16:27,457 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-12-06 02:16:27,465 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-06 02:16:27,487 INFO L77 FloydHoareUtils]: At program point L551-6(lines 551 556) the Hoare annotation is: true [2024-12-06 02:16:27,487 INFO L77 FloydHoareUtils]: At program point L551-7(lines 551 556) the Hoare annotation is: true [2024-12-06 02:16:27,487 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 572) no Hoare annotation was computed. [2024-12-06 02:16:27,487 INFO L77 FloydHoareUtils]: At program point L572(line 572) the Hoare annotation is: (and (< 0 |ULTIMATE.start_main_~length2~0#1|) (< |ULTIMATE.start_main_~length2~0#1| 2147483648)) [2024-12-06 02:16:27,487 INFO L77 FloydHoareUtils]: At program point L572-1(line 572) the Hoare annotation is: (< |ULTIMATE.start_main_~length2~0#1| 2147483648) [2024-12-06 02:16:27,488 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 571) no Hoare annotation was computed. [2024-12-06 02:16:27,488 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 571) no Hoare annotation was computed. [2024-12-06 02:16:27,488 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 02:16:27,488 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:16:27,488 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 572) no Hoare annotation was computed. [2024-12-06 02:16:27,488 INFO L77 FloydHoareUtils]: At program point L571(line 571) the Hoare annotation is: (and (< 0 |ULTIMATE.start_main_~length2~0#1|) (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|)) [2024-12-06 02:16:27,488 INFO L77 FloydHoareUtils]: At program point L571-1(line 571) the Hoare annotation is: (and (< 0 |ULTIMATE.start_main_~length2~0#1|) (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (< |ULTIMATE.start_main_~length1~0#1| 2147483648)) [2024-12-06 02:16:27,488 INFO L77 FloydHoareUtils]: At program point L551-3(lines 551 556) the Hoare annotation is: true [2024-12-06 02:16:27,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:16:27 ImpRootNode [2024-12-06 02:16:27,494 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:16:27,495 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:16:27,495 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:16:27,495 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:16:27,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:16:26" (3/4) ... [2024-12-06 02:16:27,497 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 02:16:27,502 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-12-06 02:16:27,502 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 02:16:27,503 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 02:16:27,503 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 02:16:27,564 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:16:27,564 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:16:27,564 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:16:27,565 INFO L158 Benchmark]: Toolchain (without parser) took 1724.47ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 81.2MB in the end (delta: 35.8MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-12-06 02:16:27,565 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:16:27,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.22ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 100.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:16:27,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.42ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 99.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:16:27,566 INFO L158 Benchmark]: Boogie Preprocessor took 21.71ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 97.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:16:27,566 INFO L158 Benchmark]: RCFGBuilder took 328.67ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 80.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:16:27,566 INFO L158 Benchmark]: CodeCheck took 957.63ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 86.0MB in the end (delta: -5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:16:27,567 INFO L158 Benchmark]: Witness Printer took 69.27ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 81.2MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:16:27,568 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s 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, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s 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: 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 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.22ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 100.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.42ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 99.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.71ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 97.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.67ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 80.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 957.63ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 86.0MB in the end (delta: -5.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.27ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 81.2MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 02:16:27,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49b9129-f7e5-4350-aea7-28b061228a3e/bin/ukojak-verify-CZk0znPC7b/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