./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_33206f73-0bbc-40ea-bc2d-fb585ad9df10/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33206f73-0bbc-40ea-bc2d-fb585ad9df10/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_33206f73-0bbc-40ea-bc2d-fb585ad9df10/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33206f73-0bbc-40ea-bc2d-fb585ad9df10/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33206f73-0bbc-40ea-bc2d-fb585ad9df10/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33206f73-0bbc-40ea-bc2d-fb585ad9df10/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 32bit --witnessprinter.graph.data.programhash 00a8f866e26c2e2f6efeb25e7ec6952d97cdca88cd5ba8f7afdfeeef8678b95c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:52:55,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:52:55,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33206f73-0bbc-40ea-bc2d-fb585ad9df10/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 04:52:55,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:52:55,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:52:55,148 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:52:55,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:52:55,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:52:55,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:52:55,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:52:55,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:52:55,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:52:55,150 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:52:55,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:52:55,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:52:55,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:52:55,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:52:55,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:52:55,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:52:55,150 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:52:55,150 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:52:55,151 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:52:55,151 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:52:55,151 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:52:55,151 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:52:55,151 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:52:55,151 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:52:55,151 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:52:55,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:52:55,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:52:55,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:52:55,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:52:55,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:52:55,152 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:52:55,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:52:55,152 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_33206f73-0bbc-40ea-bc2d-fb585ad9df10/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00a8f866e26c2e2f6efeb25e7ec6952d97cdca88cd5ba8f7afdfeeef8678b95c [2024-12-06 04:52:55,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:52:55,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:52:55,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:52:55,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:52:55,396 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:52:55,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33206f73-0bbc-40ea-bc2d-fb585ad9df10/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2024-12-06 04:52:58,105 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33206f73-0bbc-40ea-bc2d-fb585ad9df10/bin/ukojak-verify-CZk0znPC7b/data/580746760/182d6df5b254435bb14c65592c9699e4/FLAG55952966b [2024-12-06 04:52:58,328 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:52:58,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33206f73-0bbc-40ea-bc2d-fb585ad9df10/sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2024-12-06 04:52:58,341 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33206f73-0bbc-40ea-bc2d-fb585ad9df10/bin/ukojak-verify-CZk0znPC7b/data/580746760/182d6df5b254435bb14c65592c9699e4/FLAG55952966b [2024-12-06 04:52:58,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33206f73-0bbc-40ea-bc2d-fb585ad9df10/bin/ukojak-verify-CZk0znPC7b/data/580746760/182d6df5b254435bb14c65592c9699e4 [2024-12-06 04:52:58,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:52:58,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:52:58,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:52:58,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:52:58,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:52:58,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:52:58" (1/1) ... [2024-12-06 04:52:58,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b69114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:52:58, skipping insertion in model container [2024-12-06 04:52:58,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:52:58" (1/1) ... [2024-12-06 04:52:58,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:52:58,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:52:58,636 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:52:58,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:52:58,687 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:52:58,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:52:58 WrapperNode [2024-12-06 04:52:58,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:52:58,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:52:58,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:52:58,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:52:58,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:52:58" (1/1) ... [2024-12-06 04:52:58,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:52:58" (1/1) ... [2024-12-06 04:52:58,717 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-12-06 04:52:58,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:52:58,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:52:58,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:52:58,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:52:58,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:52:58" (1/1) ... [2024-12-06 04:52:58,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:52:58" (1/1) ... [2024-12-06 04:52:58,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:52:58" (1/1) ... [2024-12-06 04:52:58,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:52:58" (1/1) ... [2024-12-06 04:52:58,730 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:52:58" (1/1) ... [2024-12-06 04:52:58,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:52:58" (1/1) ... [2024-12-06 04:52:58,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:52:58" (1/1) ... [2024-12-06 04:52:58,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:52:58" (1/1) ... [2024-12-06 04:52:58,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:52:58" (1/1) ... [2024-12-06 04:52:58,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:52:58,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:52:58,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:52:58,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:52:58,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:52:58" (1/1) ... [2024-12-06 04:52:58,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:52:58,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33206f73-0bbc-40ea-bc2d-fb585ad9df10/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:52:58,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33206f73-0bbc-40ea-bc2d-fb585ad9df10/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:52:58,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33206f73-0bbc-40ea-bc2d-fb585ad9df10/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:52:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:52:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:52:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:52:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:52:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:52:58,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:52:58,859 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:52:58,860 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:52:59,005 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 04:52:59,005 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:52:59,059 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:52:59,060 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 04:52:59,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:52:59 BoogieIcfgContainer [2024-12-06 04:52:59,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:52:59,061 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:52:59,061 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:52:59,071 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:52:59,071 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:52:59" (1/1) ... [2024-12-06 04:52:59,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:52:59,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:59,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2024-12-06 04:52:59,127 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-12-06 04:52:59,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:52:59,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:59,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:52:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:59,311 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 04:52:59,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:59,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2024-12-06 04:52:59,359 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-12-06 04:52:59,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:52:59,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:59,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:52:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:59,429 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 04:52:59,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:59,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2024-12-06 04:52:59,446 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-12-06 04:52:59,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:52:59,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:59,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:52:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:59,554 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 04:52:59,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:59,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-12-06 04:52:59,585 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-12-06 04:52:59,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:52:59,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:59,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:52:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:52:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:52:59,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2024-12-06 04:52:59,775 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-12-06 04:52:59,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:52:59,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:52:59,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:52:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:52:59,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:53:00,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2024-12-06 04:53:00,017 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2024-12-06 04:53:00,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:53:00,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:00,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:53:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:53:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:00,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 04:53:00,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:00,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-12-06 04:53:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:00,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2024-12-06 04:53:00,414 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-12-06 04:53:00,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:53:00,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:00,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:53:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:00,520 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:53:00,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:00,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2024-12-06 04:53:00,556 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2024-12-06 04:53:00,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:53:00,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:00,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:53:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:53:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:00,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:53:00,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:00,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 04:53:00,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-12-06 04:53:00,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:53:01,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:01,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2024-12-06 04:53:01,958 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2024-12-06 04:53:01,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:53:01,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:01,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:53:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:02,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:02,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:02,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2024-12-06 04:53:02,166 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2024-12-06 04:53:02,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:53:02,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:02,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:53:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:53:02,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:02,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2024-12-06 04:53:02,579 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2024-12-06 04:53:02,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:53:02,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:02,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:53:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:02,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:03,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:03,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2024-12-06 04:53:03,686 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2024-12-06 04:53:03,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:53:03,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:03,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:53:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:03,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:03,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:03,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2024-12-06 04:53:03,745 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2024-12-06 04:53:03,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:53:03,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:03,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:53:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:04,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:53:06,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:06,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2024-12-06 04:53:06,478 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2024-12-06 04:53:06,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:53:06,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:06,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:53:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:53:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:06,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 04:53:06,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:06,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 04:53:06,729 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-06 04:53:06,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 11 [2024-12-06 04:53:06,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-12-06 04:53:06,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:53:07,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:07,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 84 transitions. [2024-12-06 04:53:07,495 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 84 transitions. [2024-12-06 04:53:07,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:53:07,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:07,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:53:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:07,706 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:53:08,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:08,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2024-12-06 04:53:08,125 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2024-12-06 04:53:08,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:53:08,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:08,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:53:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:53:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:08,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:53:08,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:08,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 20 [2024-12-06 04:53:08,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 12 [2024-12-06 04:53:08,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:53:11,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:11,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 61 states and 107 transitions. [2024-12-06 04:53:11,396 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 107 transitions. [2024-12-06 04:53:11,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:53:11,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:11,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:53:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:11,847 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:53:12,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:12,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2024-12-06 04:53:12,690 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2024-12-06 04:53:12,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 04:53:12,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:12,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:53:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:53:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:53:12,725 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:53:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:53:12,754 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 18 iterations. [2024-12-06 04:53:12,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:53:12 ImpRootNode [2024-12-06 04:53:12,778 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:53:12,778 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:53:12,778 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:53:12,779 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:53:12,779 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:52:59" (3/4) ... [2024-12-06 04:53:12,780 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:53:12,809 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 10. [2024-12-06 04:53:12,848 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33206f73-0bbc-40ea-bc2d-fb585ad9df10/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:53:12,848 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33206f73-0bbc-40ea-bc2d-fb585ad9df10/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:53:12,848 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:53:12,849 INFO L158 Benchmark]: Toolchain (without parser) took 14490.28ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 115.0MB in the beginning and 219.1MB in the end (delta: -104.1MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2024-12-06 04:53:12,849 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:53:12,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.35ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 98.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:53:12,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.67ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 96.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:53:12,850 INFO L158 Benchmark]: Boogie Preprocessor took 19.86ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.6MB in the end (delta: 996.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:53:12,850 INFO L158 Benchmark]: RCFGBuilder took 322.35ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 79.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:53:12,851 INFO L158 Benchmark]: CodeCheck took 13716.93ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 79.2MB in the beginning and 224.3MB in the end (delta: -145.1MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-12-06 04:53:12,851 INFO L158 Benchmark]: Witness Printer took 69.75ms. Allocated memory is still 302.0MB. Free memory was 224.3MB in the beginning and 219.1MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:53:12,852 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, 23 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 13.7s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 623 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 325 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 747 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2749 IncrementalHoareTripleChecker+Invalid, 3496 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 747 mSolverCounterUnsat, 75 mSDtfsCounter, 2749 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1500 GetRequests, 1264 SyntacticMatches, 40 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14393 ImplicationChecksByTransitivity, 11.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 1165 SizeOfPredicates, 16 NumberOfNonLiveVariables, 250 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 7/59 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: 524]: integer overflow possible integer overflow possible We found a FailurePath: [L531] int array_size = __VERIFIER_nondet_int(); [L532] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L535] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L537] int k = 0; VAL [array_size=1, k=0, numbers={2:0}] [L537] COND TRUE k < array_size [L539] numbers[k] = __VERIFIER_nondet_int() [L537] k++ VAL [array_size=1, k=1, numbers={2:0}] [L537] COND FALSE !(k < array_size) [L542] CALL test_fun(numbers, array_size) [L514] int i; [L515] int res; [L516] i = 0 VAL [N=1, a={2:0}, i=0] [L516] COND TRUE i < N [L517] res = 1 [L518] EXPR a[i] [L518] COND FALSE !(a[i] == 0) [L520] EXPR a[i] [L520] COND FALSE !(a[i] < 0) [L523] EXPR a[i] VAL [N=1, a={2:0}, i=0, res=1] [L523] COND TRUE a[i] > 0 [L524] EXPR a[i] VAL [N=1, a={2:0}, i=0, res=1] [L524] EXPR res * a[i] [L524] res = res * a[i] [L525] EXPR a[i] [L525] a[i]-- [L523] EXPR a[i] VAL [N=1, a={2:0}, i=0, res=46342] [L523] COND TRUE a[i] > 0 [L524] EXPR a[i] VAL [N=1, a={2:0}, i=0, res=46342] [L524] res * a[i] VAL [N=1, a={2:0}, i=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.35ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 98.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.67ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 96.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.86ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.6MB in the end (delta: 996.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 322.35ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 79.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 13716.93ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 79.2MB in the beginning and 224.3MB in the end (delta: -145.1MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Witness Printer took 69.75ms. Allocated memory is still 302.0MB. Free memory was 224.3MB in the beginning and 219.1MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 04:53:12,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33206f73-0bbc-40ea-bc2d-fb585ad9df10/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)