./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.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_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/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_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/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_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/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 aa8ec24a529b9708a4114d222c12978bf5bdc2ac2c4c1795c91ce64eb68dd2d4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:21:51,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:21:51,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 03:21:51,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:21:51,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:21:51,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:21:51,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:21:51,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:21:51,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:21:51,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:21:51,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:21:51,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:21:51,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:21:51,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:21:51,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:21:51,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:21:51,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:21:51,547 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:21:51,547 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:21:51,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:21:51,547 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:21:51,547 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:21:51,547 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:21:51,547 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:21:51,548 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:21:51,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:21:51,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:21:51,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:21:51,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:21:51,548 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:21:51,548 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:21:51,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:21:51,548 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_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/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 -> aa8ec24a529b9708a4114d222c12978bf5bdc2ac2c4c1795c91ce64eb68dd2d4 [2024-12-06 03:21:51,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:21:51,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:21:51,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:21:51,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:21:51,854 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:21:51,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i [2024-12-06 03:21:55,222 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/data/11d7bd58a/bae7f3b848b6491b8499bdce4a103021/FLAGc58b14acd [2024-12-06 03:21:55,604 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:21:55,605 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i [2024-12-06 03:21:55,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/data/11d7bd58a/bae7f3b848b6491b8499bdce4a103021/FLAGc58b14acd [2024-12-06 03:21:55,645 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/data/11d7bd58a/bae7f3b848b6491b8499bdce4a103021 [2024-12-06 03:21:55,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:21:55,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:21:55,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:21:55,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:21:55,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:21:55,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:21:55" (1/1) ... [2024-12-06 03:21:55,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6fbd16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:55, skipping insertion in model container [2024-12-06 03:21:55,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:21:55" (1/1) ... [2024-12-06 03:21:55,702 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:21:56,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:21:56,492 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:21:56,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:21:56,653 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:21:56,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:56 WrapperNode [2024-12-06 03:21:56,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:21:56,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:21:56,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:21:56,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:21:56,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:56" (1/1) ... [2024-12-06 03:21:56,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:56" (1/1) ... [2024-12-06 03:21:56,699 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2024-12-06 03:21:56,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:21:56,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:21:56,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:21:56,700 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:21:56,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:56" (1/1) ... [2024-12-06 03:21:56,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:56" (1/1) ... [2024-12-06 03:21:56,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:56" (1/1) ... [2024-12-06 03:21:56,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:56" (1/1) ... [2024-12-06 03:21:56,715 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:56" (1/1) ... [2024-12-06 03:21:56,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:56" (1/1) ... [2024-12-06 03:21:56,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:56" (1/1) ... [2024-12-06 03:21:56,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:56" (1/1) ... [2024-12-06 03:21:56,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:56" (1/1) ... [2024-12-06 03:21:56,725 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:21:56,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:21:56,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:21:56,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:21:56,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:21:56" (1/1) ... [2024-12-06 03:21:56,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:21:56,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:21:56,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:21:56,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:21:56,788 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:21:56,789 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:21:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:21:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:21:56,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:21:56,901 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:21:56,902 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:21:57,089 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-12-06 03:21:57,089 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:21:57,229 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:21:57,229 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:21:57,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:21:57 BoogieIcfgContainer [2024-12-06 03:21:57,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:21:57,230 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:21:57,230 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:21:57,237 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:21:57,237 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:21:57" (1/1) ... [2024-12-06 03:21:57,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:21:57,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:57,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-12-06 03:21:57,280 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-12-06 03:21:57,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:21:57,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:57,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:57,676 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 03:21:57,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:57,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-12-06 03:21:57,745 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-12-06 03:21:57,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:21:57,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:57,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:57,934 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 03:21:57,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:57,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2024-12-06 03:21:57,957 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-12-06 03:21:57,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:21:57,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:57,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:21:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:21:58,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:21:58,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-12-06 03:21:58,309 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-12-06 03:21:58,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:21:58,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:21:58,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:21:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:21:58,377 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:21:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:21:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:21:58,495 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:21:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:21:58,549 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-12-06 03:21:58,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:21:58 ImpRootNode [2024-12-06 03:21:58,579 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:21:58,579 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:21:58,579 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:21:58,580 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:21:58,580 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:21:57" (3/4) ... [2024-12-06 03:21:58,582 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:21:58,583 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:21:58,584 INFO L158 Benchmark]: Toolchain (without parser) took 2934.87ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 89.1MB in the beginning and 74.1MB in the end (delta: 15.0MB). Peak memory consumption was 93.4MB. Max. memory is 16.1GB. [2024-12-06 03:21:58,585 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:21:58,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1003.41ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 79.2MB in the end (delta: 9.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-12-06 03:21:58,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.20ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:21:58,586 INFO L158 Benchmark]: Boogie Preprocessor took 24.33ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 75.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:21:58,587 INFO L158 Benchmark]: RCFGBuilder took 504.04ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 37.4MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 03:21:58,588 INFO L158 Benchmark]: CodeCheck took 1348.81ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 37.4MB in the beginning and 74.1MB in the end (delta: -36.7MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2024-12-06 03:21:58,588 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 192.9MB. Free memory was 74.1MB in the beginning and 74.1MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:21:58,591 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 2 procedures, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 15 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_rand_postdec_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1557] COND TRUE j < 1 [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1003.41ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 79.2MB in the end (delta: 9.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.20ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.33ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 75.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 504.04ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 37.4MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 1348.81ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 37.4MB in the beginning and 74.1MB in the end (delta: -36.7MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 192.9MB. Free memory was 74.1MB in the beginning and 74.1MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:21:58,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/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_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/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 aa8ec24a529b9708a4114d222c12978bf5bdc2ac2c4c1795c91ce64eb68dd2d4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:22:01,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:22:01,236 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 03:22:01,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:22:01,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:22:01,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:22:01,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:22:01,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:22:01,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:22:01,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:22:01,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:22:01,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:22:01,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:22:01,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:22:01,271 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:22:01,271 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:22:01,271 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:22:01,271 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:22:01,271 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:22:01,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:22:01,271 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:22:01,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:22:01,271 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:22:01,271 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:22:01,272 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:22:01,272 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:01,272 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:22:01,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:22:01,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:22:01,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:22:01,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:22:01,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:22:01,272 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:22:01,273 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:01,273 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:22:01,273 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_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/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 -> aa8ec24a529b9708a4114d222c12978bf5bdc2ac2c4c1795c91ce64eb68dd2d4 [2024-12-06 03:22:01,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:22:01,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:22:01,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:22:01,608 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:22:01,608 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:22:01,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i [2024-12-06 03:22:04,969 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/data/461479d40/18aff7c5221240eb9d7022578328abb5/FLAG8443c0645 [2024-12-06 03:22:05,292 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:22:05,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_17_bad.i [2024-12-06 03:22:05,310 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/data/461479d40/18aff7c5221240eb9d7022578328abb5/FLAG8443c0645 [2024-12-06 03:22:05,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/data/461479d40/18aff7c5221240eb9d7022578328abb5 [2024-12-06 03:22:05,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:22:05,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:22:05,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:22:05,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:22:05,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:22:05,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:22:05" (1/1) ... [2024-12-06 03:22:05,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c079f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:05, skipping insertion in model container [2024-12-06 03:22:05,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:22:05" (1/1) ... [2024-12-06 03:22:05,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:22:06,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:22:06,016 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:22:06,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:22:06,198 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:22:06,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:06 WrapperNode [2024-12-06 03:22:06,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:22:06,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:22:06,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:22:06,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:22:06,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:06" (1/1) ... [2024-12-06 03:22:06,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:06" (1/1) ... [2024-12-06 03:22:06,240 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-12-06 03:22:06,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:22:06,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:22:06,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:22:06,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:22:06,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:06" (1/1) ... [2024-12-06 03:22:06,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:06" (1/1) ... [2024-12-06 03:22:06,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:06" (1/1) ... [2024-12-06 03:22:06,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:06" (1/1) ... [2024-12-06 03:22:06,258 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:06" (1/1) ... [2024-12-06 03:22:06,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:06" (1/1) ... [2024-12-06 03:22:06,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:06" (1/1) ... [2024-12-06 03:22:06,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:06" (1/1) ... [2024-12-06 03:22:06,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:06" (1/1) ... [2024-12-06 03:22:06,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:22:06,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:22:06,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:22:06,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:22:06,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:06" (1/1) ... [2024-12-06 03:22:06,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:22:06,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:22:06,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:22:06,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:22:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 03:22:06,324 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 03:22:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:22:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:22:06,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:22:06,453 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:22:06,455 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:22:06,594 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-12-06 03:22:06,594 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:22:06,656 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:22:06,656 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:22:06,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:22:06 BoogieIcfgContainer [2024-12-06 03:22:06,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:22:06,658 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:22:06,658 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:22:06,669 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:22:06,669 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:22:06" (1/1) ... [2024-12-06 03:22:06,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:22:06,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:06,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-12-06 03:22:06,721 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-12-06 03:22:06,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:22:06,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:06,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:06,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:22:06,729 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:22:06,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:22:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:06,856 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:22:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:06,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 03:22:06,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:22:06,936 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 03:22:06,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:22:06,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:06,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2024-12-06 03:22:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-12-06 03:22:06,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:22:06,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:06,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:06,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:22:06,973 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:22:06,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:22:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:07,111 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:22:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:07,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:22:07,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:22:07,188 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 03:22:07,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:22:07,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:07,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-12-06 03:22:07,269 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-12-06 03:22:07,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:22:07,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:07,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:07,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:22:07,272 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:22:07,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:22:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:07,408 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:22:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:07,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:22:07,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:22:07,471 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 03:22:07,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 03:22:07,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:07,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2024-12-06 03:22:07,649 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-12-06 03:22:07,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:22:07,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:07,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:07,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:22:07,653 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:22:07,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:22:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:22:07,815 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:22:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:22:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:22:07,969 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:22:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:22:08,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:22:08,014 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-12-06 03:22:08,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:22:08 ImpRootNode [2024-12-06 03:22:08,048 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:22:08,049 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:22:08,049 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:22:08,049 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:22:08,050 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:22:06" (3/4) ... [2024-12-06 03:22:08,051 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:22:08,112 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-12-06 03:22:08,170 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:22:08,171 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:22:08,171 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:22:08,172 INFO L158 Benchmark]: Toolchain (without parser) took 2845.51ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 66.7MB in the beginning and 106.3MB in the end (delta: -39.6MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-12-06 03:22:08,172 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:22:08,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.50ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 61.1MB in the end (delta: 5.5MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-06 03:22:08,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.12ms. Allocated memory is still 92.3MB. Free memory was 61.1MB in the beginning and 58.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:22:08,173 INFO L158 Benchmark]: Boogie Preprocessor took 27.02ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 56.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:22:08,173 INFO L158 Benchmark]: RCFGBuilder took 388.57ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 39.1MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:22:08,174 INFO L158 Benchmark]: CodeCheck took 1390.21ms. Allocated memory is still 92.3MB. Free memory was 39.0MB in the beginning and 28.4MB in the end (delta: 10.6MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-12-06 03:22:08,174 INFO L158 Benchmark]: Witness Printer took 122.31ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 28.4MB in the beginning and 106.3MB in the end (delta: -77.9MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2024-12-06 03:22:08,177 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 2 procedures, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 21 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 96 ConjunctsInSsa, 7 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: 1560]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_rand_postdec_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=0] [L1553] COND TRUE i < 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1557] COND TRUE j < 1 [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.50ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 61.1MB in the end (delta: 5.5MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.12ms. Allocated memory is still 92.3MB. Free memory was 61.1MB in the beginning and 58.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.02ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 56.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 388.57ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 39.1MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1390.21ms. Allocated memory is still 92.3MB. Free memory was 39.0MB in the beginning and 28.4MB in the end (delta: 10.6MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Witness Printer took 122.31ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 28.4MB in the beginning and 106.3MB in the end (delta: -77.9MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:22:08,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c5dbbd-31af-4a2d-ac3a-d3d21fc82999/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)