./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca.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_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/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_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/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_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/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 d0878af360c86b536b5b3bc8d222f1c5ce26337b4ad6227d126c258cfe065cc9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:10:45,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:10:45,793 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:10:45,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:10:45,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:10:45,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:10:45,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:10:45,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:10:45,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:10:45,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:10:45,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:10:45,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:10:45,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:10:45,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:10:45,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:10:45,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:10:45,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:10:45,825 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:10:45,825 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:10:45,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:10:45,826 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:10:45,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:10:45,826 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:10:45,826 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:10:45,826 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:10:45,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:10:45,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:10:45,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:10:45,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:10:45,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:10:45,827 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:10:45,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:10:45,827 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_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/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 -> d0878af360c86b536b5b3bc8d222f1c5ce26337b4ad6227d126c258cfe065cc9 [2024-11-25 03:10:46,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:10:46,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:10:46,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:10:46,229 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:10:46,230 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:10:46,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca.i [2024-11-25 03:10:49,695 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/bin/ukojak-verify-ENZ3QT5qd3/data/91842b675/2fc65a52c89841aca8a50912378c651b/FLAG966cb48e0 [2024-11-25 03:10:50,125 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:10:50,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/sv-benchmarks/c/termination-memory-alloca/GulwaniJainKoskinen-2009PLDI-Fig1-alloca.i [2024-11-25 03:10:50,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/bin/ukojak-verify-ENZ3QT5qd3/data/91842b675/2fc65a52c89841aca8a50912378c651b/FLAG966cb48e0 [2024-11-25 03:10:50,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/bin/ukojak-verify-ENZ3QT5qd3/data/91842b675/2fc65a52c89841aca8a50912378c651b [2024-11-25 03:10:50,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:10:50,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:10:50,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:10:50,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:10:50,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:10:50,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:10:50" (1/1) ... [2024-11-25 03:10:50,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d06c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:50, skipping insertion in model container [2024-11-25 03:10:50,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:10:50" (1/1) ... [2024-11-25 03:10:50,348 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:10:50,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:10:50,756 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:10:50,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:10:50,836 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:10:50,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:50 WrapperNode [2024-11-25 03:10:50,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:10:50,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:10:50,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:10:50,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:10:50,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:50" (1/1) ... [2024-11-25 03:10:50,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:50" (1/1) ... [2024-11-25 03:10:50,880 INFO L138 Inliner]: procedures = 110, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 82 [2024-11-25 03:10:50,880 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:10:50,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:10:50,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:10:50,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:10:50,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:50" (1/1) ... [2024-11-25 03:10:50,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:50" (1/1) ... [2024-11-25 03:10:50,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:50" (1/1) ... [2024-11-25 03:10:50,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:50" (1/1) ... [2024-11-25 03:10:50,898 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:50" (1/1) ... [2024-11-25 03:10:50,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:50" (1/1) ... [2024-11-25 03:10:50,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:50" (1/1) ... [2024-11-25 03:10:50,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:50" (1/1) ... [2024-11-25 03:10:50,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:50" (1/1) ... [2024-11-25 03:10:50,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:10:50,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:10:50,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:10:50,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:10:50,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:50" (1/1) ... [2024-11-25 03:10:50,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:10:50,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:10:50,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:10:50,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:10:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:10:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:10:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:10:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:10:51,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:10:51,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:10:51,156 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:10:51,158 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:10:51,413 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-25 03:10:51,414 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:10:51,509 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:10:51,510 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:10:51,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:10:51 BoogieIcfgContainer [2024-11-25 03:10:51,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:10:51,511 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:10:51,511 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:10:51,525 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:10:51,525 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:10:51" (1/1) ... [2024-11-25 03:10:51,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:10:51,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:51,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-25 03:10:51,594 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-25 03:10:51,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:10:51,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:51,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:52,042 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 03:10:52,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:52,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 03:10:52,132 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 03:10:52,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:10:52,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:52,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:52,625 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 03:10:52,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:52,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-25 03:10:52,899 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-25 03:10:52,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:10:52,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:52,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:53,210 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 03:10:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:53,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-25 03:10:53,469 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-25 03:10:53,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:10:53,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:53,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:10:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:10:53,523 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:10:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:10:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:10:53,637 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:10:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:10:53,679 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-25 03:10:53,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:10:53 ImpRootNode [2024-11-25 03:10:53,735 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:10:53,735 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:10:53,736 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:10:53,737 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:10:53,739 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:10:51" (3/4) ... [2024-11-25 03:10:53,740 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:10:53,786 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 4. [2024-11-25 03:10:53,840 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:10:53,841 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:10:53,841 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:10:53,845 INFO L158 Benchmark]: Toolchain (without parser) took 3561.24ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 48.0MB in the end (delta: 51.3MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2024-11-25 03:10:53,846 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:10:53,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.28ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 83.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:10:53,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.20ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 81.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:10:53,847 INFO L158 Benchmark]: Boogie Preprocessor took 30.95ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 80.8MB in the end (delta: 673.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:10:53,848 INFO L158 Benchmark]: RCFGBuilder took 597.40ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 65.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:10:53,850 INFO L158 Benchmark]: CodeCheck took 2223.76ms. Allocated memory is still 142.6MB. Free memory was 65.9MB in the beginning and 52.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-25 03:10:53,850 INFO L158 Benchmark]: Witness Printer took 105.53ms. Allocated memory is still 142.6MB. Free memory was 52.3MB in the beginning and 48.0MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:10:53,856 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, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 2 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - CounterExampleResult [Line: 557]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* id = __builtin_alloca (sizeof(int)); [L549] int* maxId = __builtin_alloca (sizeof(int)); [L550] *id = __VERIFIER_nondet_int() [L551] *maxId = __VERIFIER_nondet_int() [L552] EXPR \read(*id) [L552] 0 <= *id && *id < *maxId [L552] EXPR \read(*id) [L552] EXPR \read(*maxId) [L552] 0 <= *id && *id < *maxId VAL [id={11471:0}, maxId={11470:0}] [L552] COND TRUE 0 <= *id && *id < *maxId [L553] int* tmp = __builtin_alloca (sizeof(int)); [L554] EXPR \read(*id) VAL [id={11471:0}, maxId={11470:0}, tmp={11469:0}] [L554] EXPR *id + 1 [L554] *tmp = *id + 1 [L555] EXPR \read(*tmp) [L555] EXPR \read(*id) [L555] *tmp != *id && __VERIFIER_nondet_int() [L555] *tmp != *id && __VERIFIER_nondet_int() VAL [id={11471:0}, maxId={11470:0}, tmp={11469:0}] [L555] COND TRUE *tmp != *id && __VERIFIER_nondet_int() [L556] EXPR \read(*tmp) [L556] EXPR \read(*maxId) VAL [id={11471:0}, maxId={11470:0}, tmp={11469:0}] [L556] COND TRUE *tmp <= *maxId [L557] EXPR \read(*tmp) VAL [id={11471:0}, maxId={11470:0}, tmp={11469:0}] [L557] *tmp + 1 VAL [id={11471:0}, maxId={11470:0}, tmp={11469:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.28ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 83.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.20ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 81.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.95ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 80.8MB in the end (delta: 673.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 597.40ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 65.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2223.76ms. Allocated memory is still 142.6MB. Free memory was 65.9MB in the beginning and 52.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Witness Printer took 105.53ms. Allocated memory is still 142.6MB. Free memory was 52.3MB in the beginning and 48.0MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:10:53,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f1d9e80-72f2-4b3a-b3ab-0bbf7b3a9bcb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)