./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-dietlibc/strcasecmp.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_30fae09d-deed-4551-bed7-6940fa1d09fe/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fae09d-deed-4551-bed7-6940fa1d09fe/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_30fae09d-deed-4551-bed7-6940fa1d09fe/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fae09d-deed-4551-bed7-6940fa1d09fe/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-dietlibc/strcasecmp.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fae09d-deed-4551-bed7-6940fa1d09fe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fae09d-deed-4551-bed7-6940fa1d09fe/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4b83d1547bf3dd46e9571984e7e0a13f5187eff03a7662628a99d75ecc5b0412 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:18:12,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:18:12,130 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fae09d-deed-4551-bed7-6940fa1d09fe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 03:18:12,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:18:12,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:18:12,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:18:12,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:18:12,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:18:12,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:18:12,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:18:12,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:18:12,184 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:18:12,184 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:18:12,186 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:18:12,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:18:12,187 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:18:12,187 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:18:12,188 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:18:12,188 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:18:12,189 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:18:12,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:18:12,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:12,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:18:12,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:18:12,192 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:18:12,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:18:12,193 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_30fae09d-deed-4551-bed7-6940fa1d09fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fae09d-deed-4551-bed7-6940fa1d09fe/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b83d1547bf3dd46e9571984e7e0a13f5187eff03a7662628a99d75ecc5b0412 [2023-11-19 03:18:12,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:18:12,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:18:12,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:18:12,539 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:18:12,540 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:18:12,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fae09d-deed-4551-bed7-6940fa1d09fe/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-dietlibc/strcasecmp.i [2023-11-19 03:18:15,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:18:16,003 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:18:16,004 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fae09d-deed-4551-bed7-6940fa1d09fe/sv-benchmarks/c/termination-dietlibc/strcasecmp.i [2023-11-19 03:18:16,020 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fae09d-deed-4551-bed7-6940fa1d09fe/bin/ukojak-verify-G8NBE6pJGL/data/b1d2bd12d/63088f554bcf4916b528aa1e25b7751c/FLAG7a97911f1 [2023-11-19 03:18:16,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fae09d-deed-4551-bed7-6940fa1d09fe/bin/ukojak-verify-G8NBE6pJGL/data/b1d2bd12d/63088f554bcf4916b528aa1e25b7751c [2023-11-19 03:18:16,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:18:16,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:18:16,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:16,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:18:16,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:18:16,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:16" (1/1) ... [2023-11-19 03:18:16,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@631b2828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:16, skipping insertion in model container [2023-11-19 03:18:16,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:16" (1/1) ... [2023-11-19 03:18:16,097 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:18:16,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:16,420 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:18:16,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:16,492 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:18:16,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:16 WrapperNode [2023-11-19 03:18:16,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:16,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:16,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:18:16,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:18:16,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:16" (1/1) ... [2023-11-19 03:18:16,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:16" (1/1) ... [2023-11-19 03:18:16,548 INFO L138 Inliner]: procedures = 114, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2023-11-19 03:18:16,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:16,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:18:16,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:18:16,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:18:16,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:16" (1/1) ... [2023-11-19 03:18:16,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:16" (1/1) ... [2023-11-19 03:18:16,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:16" (1/1) ... [2023-11-19 03:18:16,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:16" (1/1) ... [2023-11-19 03:18:16,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:16" (1/1) ... [2023-11-19 03:18:16,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:16" (1/1) ... [2023-11-19 03:18:16,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:16" (1/1) ... [2023-11-19 03:18:16,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:16" (1/1) ... [2023-11-19 03:18:16,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:18:16,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:18:16,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:18:16,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:18:16,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:16" (1/1) ... [2023-11-19 03:18:16,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:16,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fae09d-deed-4551-bed7-6940fa1d09fe/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:18:16,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fae09d-deed-4551-bed7-6940fa1d09fe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:18:16,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fae09d-deed-4551-bed7-6940fa1d09fe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:18:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:18:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:18:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:18:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:18:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:18:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:18:16,791 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:18:16,794 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:18:17,038 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:18:17,127 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:18:17,127 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:18:17,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:17 BoogieIcfgContainer [2023-11-19 03:18:17,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:18:17,133 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:18:17,133 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:18:17,148 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:18:17,148 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:17" (1/1) ... [2023-11-19 03:18:17,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:18:17,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:17,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2023-11-19 03:18:17,265 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-19 03:18:17,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:18:17,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:17,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:17,417 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 03:18:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:17,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2023-11-19 03:18:17,474 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2023-11-19 03:18:17,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:18:17,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:17,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:17,598 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 03:18:17,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:17,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2023-11-19 03:18:17,632 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-11-19 03:18:17,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:18:17,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:17,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:17,697 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 03:18:17,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:17,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2023-11-19 03:18:17,716 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2023-11-19 03:18:17,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:18:17,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:17,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:17,978 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 03:18:18,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:18,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2023-11-19 03:18:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2023-11-19 03:18:18,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:18:18,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:18,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:18,626 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 03:18:19,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:19,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2023-11-19 03:18:19,033 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2023-11-19 03:18:19,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:18:19,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:19,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:19,423 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 03:18:20,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:20,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2023-11-19 03:18:20,312 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2023-11-19 03:18:20,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:18:20,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:20,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:20,431 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 03:18:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2023-11-19 03:18:20,955 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2023-11-19 03:18:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:18:20,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:20,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:21,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:21,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:21,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2023-11-19 03:18:21,992 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2023-11-19 03:18:21,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:18:21,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:21,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:22,085 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 03:18:22,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions. [2023-11-19 03:18:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2023-11-19 03:18:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:18:22,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:22,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:22,566 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 03:18:23,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:23,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2023-11-19 03:18:23,583 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2023-11-19 03:18:23,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:18:23,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:23,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:23,617 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 03:18:23,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:23,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2023-11-19 03:18:23,640 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2023-11-19 03:18:23,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:18:23,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:23,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:23,855 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 03:18:24,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2023-11-19 03:18:24,209 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2023-11-19 03:18:24,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:18:24,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:24,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:24,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:25,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2023-11-19 03:18:25,357 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-11-19 03:18:25,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:18:25,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:25,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:25,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:18:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2023-11-19 03:18:26,127 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2023-11-19 03:18:26,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:18:26,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:26,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:26,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:18:28,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:28,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2023-11-19 03:18:28,347 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2023-11-19 03:18:28,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:18:28,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:28,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:28,461 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 03:18:28,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:28,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2023-11-19 03:18:28,569 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-11-19 03:18:28,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:18:28,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:28,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:28,989 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 03:18:30,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:30,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2023-11-19 03:18:30,698 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2023-11-19 03:18:30,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:18:30,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:30,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:18:30,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:18:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:18:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:18:30,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:18:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:18:30,781 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 18 iterations. [2023-11-19 03:18:30,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-19 03:18:30,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-11-19 03:18:30,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc11 [2023-11-19 03:18:30,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-19 03:18:30,804 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-19 03:18:30,804 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc11 [2023-11-19 03:18:30,804 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-11-19 03:18:30,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:18:30 ImpRootNode [2023-11-19 03:18:30,807 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:18:30,808 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:18:30,808 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:18:30,808 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:18:30,809 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:17" (3/4) ... [2023-11-19 03:18:30,810 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:18:30,814 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-19 03:18:30,815 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-11-19 03:18:30,815 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-19 03:18:30,815 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc11 [2023-11-19 03:18:30,816 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc7 [2023-11-19 03:18:30,816 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc11 [2023-11-19 03:18:30,816 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-11-19 03:18:30,852 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30fae09d-deed-4551-bed7-6940fa1d09fe/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:18:30,852 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:18:30,853 INFO L158 Benchmark]: Toolchain (without parser) took 14812.72ms. Allocated memory was 142.6MB in the beginning and 232.8MB in the end (delta: 90.2MB). Free memory was 96.3MB in the beginning and 108.7MB in the end (delta: -12.4MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2023-11-19 03:18:30,853 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory was 66.7MB in the beginning and 66.7MB in the end (delta: 55.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:18:30,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.09ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 79.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:18:30,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.44ms. Allocated memory is still 142.6MB. Free memory was 79.5MB in the beginning and 77.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:30,855 INFO L158 Benchmark]: Boogie Preprocessor took 65.76ms. Allocated memory is still 142.6MB. Free memory was 77.5MB in the beginning and 75.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:18:30,856 INFO L158 Benchmark]: RCFGBuilder took 516.13ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 56.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:18:30,856 INFO L158 Benchmark]: CodeCheck took 13674.86ms. Allocated memory was 142.6MB in the beginning and 232.8MB in the end (delta: 90.2MB). Free memory was 56.0MB in the beginning and 110.8MB in the end (delta: -54.8MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-11-19 03:18:30,857 INFO L158 Benchmark]: Witness Printer took 44.06ms. Allocated memory is still 232.8MB. Free memory was 110.8MB in the beginning and 108.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:30,860 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, 30 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 13.6s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 467 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 400 mSDsluCounter, 175 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 606 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2055 IncrementalHoareTripleChecker+Invalid, 2661 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 606 mSolverCounterUnsat, 88 mSDtfsCounter, 2055 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 988 GetRequests, 805 SyntacticMatches, 23 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11001 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 1131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 5/14 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: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L523] int in_len = __VERIFIER_nondet_int(); [L524] COND FALSE !(in_len < 1) [L525] char* in = __builtin_alloca (in_len); [L526] int i=0; VAL [i=0, in={3:0}, in_len=1] [L526] COND FALSE !(i