./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array20_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 03:14:09,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:14:09,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:14:09,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:14:09,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:14:09,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:14:09,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:14:09,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:14:09,429 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:14:09,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:14:09,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:14:09,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:14:09,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:14:09,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:14:09,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:14:09,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:14:09,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:14:09,438 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:14:09,439 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:14:09,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:14:09,439 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:14:09,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:14:09,440 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:14:09,441 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:14:09,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:14:09,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:09,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:14:09,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:14:09,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:14:09,444 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:14:09,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:14:09,446 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:14:09,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea5bfa8a156bc44b081b7e322054bf4f8b50233fa79918ee2b9ae09354893d3a [2023-11-19 03:14:09,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:14:09,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:14:09,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:14:09,781 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:14:09,782 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:14:09,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-15/array20_alloca.i [2023-11-19 03:14:12,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:14:13,032 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:14:13,044 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/sv-benchmarks/c/termination-15/array20_alloca.i [2023-11-19 03:14:13,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/bin/ukojak-verify-G8NBE6pJGL/data/e07113522/fa62eadde8d041a5adcad03cab580260/FLAG63e8e0ea6 [2023-11-19 03:14:13,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/bin/ukojak-verify-G8NBE6pJGL/data/e07113522/fa62eadde8d041a5adcad03cab580260 [2023-11-19 03:14:13,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:14:13,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:14:13,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:13,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:14:13,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:14:13,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:13" (1/1) ... [2023-11-19 03:14:13,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f64d11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:13, skipping insertion in model container [2023-11-19 03:14:13,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:13" (1/1) ... [2023-11-19 03:14:13,128 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:14:13,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:13,457 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:14:13,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:13,575 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:14:13,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:13 WrapperNode [2023-11-19 03:14:13,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:13,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:13,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:14:13,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:14:13,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:13" (1/1) ... [2023-11-19 03:14:13,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:13" (1/1) ... [2023-11-19 03:14:13,638 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-11-19 03:14:13,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:13,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:14:13,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:14:13,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:14:13,648 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:13" (1/1) ... [2023-11-19 03:14:13,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:13" (1/1) ... [2023-11-19 03:14:13,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:13" (1/1) ... [2023-11-19 03:14:13,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:13" (1/1) ... [2023-11-19 03:14:13,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:13" (1/1) ... [2023-11-19 03:14:13,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:13" (1/1) ... [2023-11-19 03:14:13,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:13" (1/1) ... [2023-11-19 03:14:13,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:13" (1/1) ... [2023-11-19 03:14:13,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:14:13,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:14:13,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:14:13,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:14:13,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:13" (1/1) ... [2023-11-19 03:14:13,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:13,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:14:13,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:14:13,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:14:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:14:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:14:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:14:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:14:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:14:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:14:13,836 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:14:13,838 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:14:14,008 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:14:14,073 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:14:14,073 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:14:14,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:14 BoogieIcfgContainer [2023-11-19 03:14:14,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:14:14,079 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:14:14,079 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:14:14,087 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:14:14,088 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:14" (1/1) ... [2023-11-19 03:14:14,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:14:14,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:14,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 03:14:14,145 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 03:14:14,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:14:14,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:14,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:14,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:14,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:14,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-19 03:14:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-19 03:14:14,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:14:14,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:14,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:14,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:14,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:14,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 03:14:14,691 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 03:14:14,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:14:14,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:14,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:14,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:14:14,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:14,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:14,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:14,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-19 03:14:14,877 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-19 03:14:14,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:14:14,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:14,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:15,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:15,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:15,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-19 03:14:15,168 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-19 03:14:15,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:14:15,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:15,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:15,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:15,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:15,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2023-11-19 03:14:15,504 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2023-11-19 03:14:15,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:14:15,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:15,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:15,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:14:15,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:15,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:15,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:15,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-19 03:14:15,742 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-19 03:14:15,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:14:15,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:15,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:15,893 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:15,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:15,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2023-11-19 03:14:15,936 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2023-11-19 03:14:15,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:14:15,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:15,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:16,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:16,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-19 03:14:16,294 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-19 03:14:16,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:14:16,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:16,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:16,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:14:16,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:16,504 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 35 treesize of output 42 [2023-11-19 03:14:16,544 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 18 treesize of output 7 [2023-11-19 03:14:16,550 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 7 treesize of output 3 [2023-11-19 03:14:16,678 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 19 treesize of output 7 [2023-11-19 03:14:16,710 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:17,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:17,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2023-11-19 03:14:17,294 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-11-19 03:14:17,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:14:17,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:17,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:17,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:14:17,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:17,394 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 35 treesize of output 42 [2023-11-19 03:14:17,421 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 18 treesize of output 7 [2023-11-19 03:14:17,425 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 7 treesize of output 3 [2023-11-19 03:14:17,442 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:14:17,443 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2023-11-19 03:14:17,447 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 7 treesize of output 3 [2023-11-19 03:14:17,557 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 19 treesize of output 7 [2023-11-19 03:14:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:18,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:18,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2023-11-19 03:14:18,602 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2023-11-19 03:14:18,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:14:18,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:18,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:18,855 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:19,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:19,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2023-11-19 03:14:19,153 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2023-11-19 03:14:19,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:14:19,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:19,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:19,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:14:19,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:19,288 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 35 treesize of output 42 [2023-11-19 03:14:19,327 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 18 treesize of output 7 [2023-11-19 03:14:19,332 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 7 treesize of output 3 [2023-11-19 03:14:19,565 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-19 03:14:19,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 67 [2023-11-19 03:14:19,580 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:14:19,581 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2023-11-19 03:14:19,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:19,587 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 13 [2023-11-19 03:14:19,609 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 33 treesize of output 21 [2023-11-19 03:14:19,613 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 21 treesize of output 13 [2023-11-19 03:14:19,663 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 19 treesize of output 7 [2023-11-19 03:14:19,668 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:20,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:20,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2023-11-19 03:14:20,243 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2023-11-19 03:14:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:14:20,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:20,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:20,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:14:20,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:20,324 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 13 treesize of output 9 [2023-11-19 03:14:20,331 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 19 treesize of output 1 [2023-11-19 03:14:20,585 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:22,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:22,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 70 transitions. [2023-11-19 03:14:22,046 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 70 transitions. [2023-11-19 03:14:22,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:14:22,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:22,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:22,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:14:22,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:22,135 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 35 treesize of output 42 [2023-11-19 03:14:22,159 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:14:22,159 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2023-11-19 03:14:22,169 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 7 treesize of output 3 [2023-11-19 03:14:22,183 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 18 treesize of output 7 [2023-11-19 03:14:22,187 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 7 treesize of output 3 [2023-11-19 03:14:22,397 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-19 03:14:22,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 67 [2023-11-19 03:14:22,408 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:14:22,409 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2023-11-19 03:14:22,413 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 13 treesize of output 9 [2023-11-19 03:14:22,471 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 44 treesize of output 30 [2023-11-19 03:14:22,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:22,479 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 30 treesize of output 16 [2023-11-19 03:14:22,540 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 19 treesize of output 7 [2023-11-19 03:14:22,548 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:23,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:23,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2023-11-19 03:14:23,268 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2023-11-19 03:14:23,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:14:23,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:23,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:23,509 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:23,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 39 states and 78 transitions. [2023-11-19 03:14:23,959 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 78 transitions. [2023-11-19 03:14:23,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:14:23,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:23,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:24,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:14:24,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:24,048 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 35 treesize of output 42 [2023-11-19 03:14:24,070 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:14:24,071 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2023-11-19 03:14:24,076 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 7 treesize of output 3 [2023-11-19 03:14:24,083 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 18 treesize of output 7 [2023-11-19 03:14:24,088 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 7 treesize of output 3 [2023-11-19 03:14:24,155 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-19 03:14:24,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 67 [2023-11-19 03:14:24,175 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 33 treesize of output 21 [2023-11-19 03:14:24,177 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 21 treesize of output 13 [2023-11-19 03:14:24,387 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-19 03:14:24,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 67 [2023-11-19 03:14:24,408 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 35 treesize of output 23 [2023-11-19 03:14:24,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:24,414 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 13 [2023-11-19 03:14:24,427 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:14:24,428 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-19 03:14:24,431 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 21 treesize of output 13 [2023-11-19 03:14:24,454 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 19 treesize of output 7 [2023-11-19 03:14:24,460 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:25,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:25,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 77 transitions. [2023-11-19 03:14:25,218 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2023-11-19 03:14:25,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:14:25,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:25,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:25,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:14:25,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:25,333 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 39 treesize of output 46 [2023-11-19 03:14:25,362 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:14:25,363 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-11-19 03:14:25,370 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 20 treesize of output 9 [2023-11-19 03:14:25,379 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 3 [2023-11-19 03:14:26,426 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2023-11-19 03:14:26,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 26 [2023-11-19 03:14:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:31,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 44 states and 93 transitions. [2023-11-19 03:14:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 93 transitions. [2023-11-19 03:14:31,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:14:31,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:31,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:31,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:14:31,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:31,858 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 35 treesize of output 42 [2023-11-19 03:14:31,876 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 18 treesize of output 7 [2023-11-19 03:14:31,880 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 7 treesize of output 3 [2023-11-19 03:14:31,926 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-19 03:14:31,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 67 [2023-11-19 03:14:31,945 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:14:31,946 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-19 03:14:31,950 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 21 treesize of output 13 [2023-11-19 03:14:32,245 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-19 03:14:32,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 67 [2023-11-19 03:14:32,268 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 35 treesize of output 23 [2023-11-19 03:14:32,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:14:32,277 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 13 [2023-11-19 03:14:32,291 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:14:32,292 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-19 03:14:32,301 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 21 treesize of output 13 [2023-11-19 03:14:32,322 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 19 treesize of output 7 [2023-11-19 03:14:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:14:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:33,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 44 states and 92 transitions. [2023-11-19 03:14:33,346 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 92 transitions. [2023-11-19 03:14:33,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:14:33,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:33,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:14:33,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:14:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:14:33,448 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2023-11-19 03:14:33,482 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,485 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,487 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,489 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated [2023-11-19 03:14:33,489 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,490 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated [2023-11-19 03:14:33,490 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,490 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,491 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated [2023-11-19 03:14:33,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:14:33 ImpRootNode [2023-11-19 03:14:33,496 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:14:33,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:14:33,496 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:14:33,497 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:14:33,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:14" (3/4) ... [2023-11-19 03:14:33,498 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:14:33,504 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,504 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,506 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,506 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated [2023-11-19 03:14:33,506 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,507 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,507 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated [2023-11-19 03:14:33,507 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-19 03:14:33,507 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem210 could not be translated [2023-11-19 03:14:33,543 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32f572b-cbe6-4f9e-bde4-acdfc768c26b/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:14:33,543 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:14:33,544 INFO L158 Benchmark]: Toolchain (without parser) took 20462.84ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 132.9MB in the beginning and 174.8MB in the end (delta: -41.9MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2023-11-19 03:14:33,544 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory was 98.4MB in the beginning and 98.4MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:33,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.20ms. Allocated memory is still 178.3MB. Free memory was 132.9MB in the beginning and 114.7MB in the end (delta: 18.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:14:33,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.48ms. Allocated memory is still 178.3MB. Free memory was 114.7MB in the beginning and 113.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:14:33,545 INFO L158 Benchmark]: Boogie Preprocessor took 44.04ms. Allocated memory is still 178.3MB. Free memory was 113.3MB in the beginning and 111.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:14:33,546 INFO L158 Benchmark]: RCFGBuilder took 394.74ms. Allocated memory is still 178.3MB. Free memory was 111.9MB in the beginning and 98.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:14:33,546 INFO L158 Benchmark]: CodeCheck took 19416.62ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 98.0MB in the beginning and 176.9MB in the end (delta: -78.9MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2023-11-19 03:14:33,547 INFO L158 Benchmark]: Witness Printer took 47.08ms. Allocated memory is still 257.9MB. Free memory was 176.9MB in the beginning and 174.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:14:33,549 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: 19.3s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 549 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 340 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 799 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2997 IncrementalHoareTripleChecker+Invalid, 3796 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 799 mSolverCounterUnsat, 68 mSDtfsCounter, 2997 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1992 GetRequests, 1705 SyntacticMatches, 87 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17329 ImplicationChecksByTransitivity, 14.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 189 ConstructedInterpolants, 7 QuantifiedInterpolants, 1164 SizeOfPredicates, 58 NumberOfNonLiveVariables, 753 ConjunctsInSsa, 182 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 8/169 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 - 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