./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array20_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array20_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ea5bfa8a156bc44b081b7e322054bf4f8b50233fa79918ee2b9ae09354893d3a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:28:12,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:28:13,012 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:28:13,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:28:13,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:28:13,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:28:13,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:28:13,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:28:13,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:28:13,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:28:13,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:28:13,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:28:13,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:28:13,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:28:13,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:28:13,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:28:13,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:28:13,045 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:28:13,045 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:28:13,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:28:13,045 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:28:13,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:28:13,045 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:28:13,045 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:28:13,045 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:28:13,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:28:13,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:28:13,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:28:13,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:28:13,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:28:13,046 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:28:13,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:28:13,046 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_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea5bfa8a156bc44b081b7e322054bf4f8b50233fa79918ee2b9ae09354893d3a [2024-11-25 03:28:13,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:28:13,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:28:13,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:28:13,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:28:13,363 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:28:13,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-15/array20_alloca.i [2024-11-25 03:28:16,321 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3/data/e022293b2/bc1f7bc9f4b44c18b25dd4a54514e49c/FLAGca0b5094c [2024-11-25 03:28:16,609 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:28:16,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/sv-benchmarks/c/termination-15/array20_alloca.i [2024-11-25 03:28:16,624 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3/data/e022293b2/bc1f7bc9f4b44c18b25dd4a54514e49c/FLAGca0b5094c [2024-11-25 03:28:16,649 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3/data/e022293b2/bc1f7bc9f4b44c18b25dd4a54514e49c [2024-11-25 03:28:16,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:28:16,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:28:16,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:28:16,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:28:16,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:28:16,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:28:16" (1/1) ... [2024-11-25 03:28:16,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248644ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:16, skipping insertion in model container [2024-11-25 03:28:16,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:28:16" (1/1) ... [2024-11-25 03:28:16,702 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:28:17,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:28:17,113 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:28:17,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:28:17,193 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:28:17,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:17 WrapperNode [2024-11-25 03:28:17,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:28:17,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:28:17,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:28:17,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:28:17,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:17" (1/1) ... [2024-11-25 03:28:17,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:17" (1/1) ... [2024-11-25 03:28:17,234 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-25 03:28:17,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:28:17,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:28:17,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:28:17,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:28:17,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:17" (1/1) ... [2024-11-25 03:28:17,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:17" (1/1) ... [2024-11-25 03:28:17,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:17" (1/1) ... [2024-11-25 03:28:17,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:17" (1/1) ... [2024-11-25 03:28:17,255 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:17" (1/1) ... [2024-11-25 03:28:17,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:17" (1/1) ... [2024-11-25 03:28:17,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:17" (1/1) ... [2024-11-25 03:28:17,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:17" (1/1) ... [2024-11-25 03:28:17,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:17" (1/1) ... [2024-11-25 03:28:17,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:28:17,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:28:17,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:28:17,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:28:17,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:17" (1/1) ... [2024-11-25 03:28:17,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:28:17,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:28:17,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:28:17,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:28:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:28:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:28:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:28:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:28:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:28:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:28:17,422 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:28:17,424 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:28:17,616 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-25 03:28:17,616 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:28:17,707 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:28:17,710 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:28:17,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:28:17 BoogieIcfgContainer [2024-11-25 03:28:17,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:28:17,712 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:28:17,712 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:28:17,723 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:28:17,724 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:28:17" (1/1) ... [2024-11-25 03:28:17,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:28:17,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:17,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 03:28:17,792 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 03:28:17,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:28:17,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:17,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:18,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:18,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:18,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-25 03:28:18,161 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-25 03:28:18,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:28:18,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:18,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:18,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:18,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:18,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2024-11-25 03:28:18,326 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-11-25 03:28:18,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:28:18,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:18,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:18,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-25 03:28:18,430 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-25 03:28:18,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:28:18,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:18,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:18,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:18,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:18,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-11-25 03:28:18,788 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-11-25 03:28:18,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:28:18,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:18,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:18,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:19,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:19,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-25 03:28:19,188 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-25 03:28:19,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:28:19,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:19,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:19,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:19,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2024-11-25 03:28:19,477 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2024-11-25 03:28:19,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:28:19,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:19,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:19,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:19,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2024-11-25 03:28:19,674 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2024-11-25 03:28:19,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:28:19,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:19,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:28:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:19,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:28:19,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:20,000 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 [2024-11-25 03:28:20,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:20,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-11-25 03:28:20,154 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 15 treesize of output 7 [2024-11-25 03:28:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:21,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:21,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2024-11-25 03:28:21,216 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2024-11-25 03:28:21,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:28:21,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:21,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:21,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:21,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 47 transitions. [2024-11-25 03:28:21,775 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 47 transitions. [2024-11-25 03:28:21,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:28:21,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:21,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:28:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:21,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 03:28:21,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:21,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 38 [2024-11-25 03:28:21,890 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 16 treesize of output 5 [2024-11-25 03:28:21,907 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:28:21,909 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2024-11-25 03:28:22,098 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 [2024-11-25 03:28:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:23,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:23,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 58 transitions. [2024-11-25 03:28:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 58 transitions. [2024-11-25 03:28:23,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:28:23,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:23,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:28:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:23,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:28:23,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:23,836 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 15 treesize of output 7 [2024-11-25 03:28:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:25,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:25,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 34 states and 70 transitions. [2024-11-25 03:28:25,520 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 70 transitions. [2024-11-25 03:28:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:28:25,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:25,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:28:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:25,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:28:25,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:25,631 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 11 treesize of output 7 [2024-11-25 03:28:25,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2024-11-25 03:28:25,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:25,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 59 [2024-11-25 03:28:25,833 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:28:25,833 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-11-25 03:28:25,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 7 [2024-11-25 03:28:25,879 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 36 treesize of output 22 [2024-11-25 03:28:25,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:25,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-25 03:28:25,916 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 15 treesize of output 7 [2024-11-25 03:28:25,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:26,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:26,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 71 transitions. [2024-11-25 03:28:26,303 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 71 transitions. [2024-11-25 03:28:26,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:28:26,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:26,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:26,536 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:27,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:27,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-11-25 03:28:27,156 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-11-25 03:28:27,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:28:27,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:27,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:28:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:27,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 03:28:27,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:27,273 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 [2024-11-25 03:28:27,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:27,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-11-25 03:28:27,962 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:29,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:29,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 40 states and 85 transitions. [2024-11-25 03:28:29,215 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 85 transitions. [2024-11-25 03:28:29,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:28:29,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:29,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:28:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:29,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 03:28:29,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:29,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 38 [2024-11-25 03:28:29,354 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:28:29,355 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2024-11-25 03:28:29,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-25 03:28:29,367 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 16 treesize of output 5 [2024-11-25 03:28:29,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:29,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 59 [2024-11-25 03:28:29,668 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:28:29,668 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2024-11-25 03:28:29,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:29,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-25 03:28:29,697 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 29 treesize of output 17 [2024-11-25 03:28:29,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:29,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-11-25 03:28:30,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:30,103 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:28:30,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2024-11-25 03:28:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:31,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:31,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 40 states and 84 transitions. [2024-11-25 03:28:31,563 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 84 transitions. [2024-11-25 03:28:31,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:28:31,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:31,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:28:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:31,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-25 03:28:31,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:32,113 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 [2024-11-25 03:28:32,119 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 8 treesize of output 1 [2024-11-25 03:28:32,352 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 [2024-11-25 03:28:32,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:32,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-11-25 03:28:33,023 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:28:33,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 26 [2024-11-25 03:28:33,173 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:39,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 45 states and 91 transitions. [2024-11-25 03:28:39,199 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 91 transitions. [2024-11-25 03:28:39,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:28:39,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:39,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:28:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:39,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 03:28:39,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:39,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 38 [2024-11-25 03:28:39,323 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:28:39,324 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2024-11-25 03:28:39,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-25 03:28:39,340 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 16 treesize of output 5 [2024-11-25 03:28:39,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:39,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 59 [2024-11-25 03:28:39,447 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 36 treesize of output 22 [2024-11-25 03:28:39,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:39,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-25 03:28:39,472 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:28:39,473 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2024-11-25 03:28:39,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:39,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-11-25 03:28:39,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:39,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:39,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:39,983 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:28:39,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 80 [2024-11-25 03:28:40,001 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:28:40,002 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2024-11-25 03:28:40,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:40,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2024-11-25 03:28:40,026 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 60 treesize of output 42 [2024-11-25 03:28:40,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:40,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:40,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:40,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-25 03:28:40,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 03:28:40,664 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:28:40,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2024-11-25 03:28:40,669 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:42,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:42,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 93 transitions. [2024-11-25 03:28:42,179 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 93 transitions. [2024-11-25 03:28:42,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:28:42,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:42,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:42,505 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:43,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:43,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 50 states and 104 transitions. [2024-11-25 03:28:43,419 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 104 transitions. [2024-11-25 03:28:43,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:28:43,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:43,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:28:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:28:43,490 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:28:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:28:43,536 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2024-11-25 03:28:43,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:28:43 ImpRootNode [2024-11-25 03:28:43,568 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:28:43,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:28:43,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:28:43,570 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:28:43,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:28:17" (3/4) ... [2024-11-25 03:28:43,572 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:28:43,622 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 12. [2024-11-25 03:28:43,676 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:28:43,677 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405117dc-6506-43ac-a4fb-b76a243bc7d3/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:28:43,677 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:28:43,678 INFO L158 Benchmark]: Toolchain (without parser) took 27023.66ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 116.8MB in the beginning and 100.6MB in the end (delta: 16.2MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. [2024-11-25 03:28:43,678 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:28:43,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.47ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 98.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:28:43,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.54ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:28:43,679 INFO L158 Benchmark]: Boogie Preprocessor took 33.45ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 96.4MB in the end (delta: 718.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:28:43,679 INFO L158 Benchmark]: RCFGBuilder took 441.30ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 82.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:28:43,679 INFO L158 Benchmark]: CodeCheck took 25856.62ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 82.6MB in the beginning and 105.2MB in the end (delta: -22.5MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-11-25 03:28:43,680 INFO L158 Benchmark]: Witness Printer took 107.95ms. Allocated memory is still 218.1MB. Free memory was 105.2MB in the beginning and 100.6MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:28:43,681 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 25.8s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 558 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 371 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 937 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3456 IncrementalHoareTripleChecker+Invalid, 4393 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 937 mSolverCounterUnsat, 70 mSDtfsCounter, 3456 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1990 GetRequests, 1648 SyntacticMatches, 86 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29988 ImplicationChecksByTransitivity, 21.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 186 ConstructedInterpolants, 11 QuantifiedInterpolants, 1526 SizeOfPredicates, 29 NumberOfNonLiveVariables, 627 ConjunctsInSsa, 185 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 5/155 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: 378]: integer overflow possible integer overflow possible We found a FailurePath: [L365] int i, j; [L366] int length = __VERIFIER_nondet_int(); [L367] COND FALSE !(length < 1) [L368] int *arr = __builtin_alloca(length*sizeof(int)); VAL [arr={2:0}, length=3] [L369] COND FALSE !(!arr) [L370] i=0 VAL [arr={2:0}, i=0, length=3] [L370] COND TRUE i