./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de98435f-70e1-4eb1-9791-d8280c07042b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de98435f-70e1-4eb1-9791-d8280c07042b/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de98435f-70e1-4eb1-9791-d8280c07042b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de98435f-70e1-4eb1-9791-d8280c07042b/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-dietlibc/strcasecmp.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de98435f-70e1-4eb1-9791-d8280c07042b/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de98435f-70e1-4eb1-9791-d8280c07042b/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 02:48:52,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:48:52,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:48:52,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:48:52,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:48:52,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:48:52,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:48:52,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:48:52,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:48:52,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:48:52,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:48:52,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:48:52,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:48:52,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:48:52,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:48:52,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:48:52,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:48:52,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:48:52,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:48:52,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:48:52,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:48:52,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:48:52,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:48:52,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:48:52,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:48:52,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:48:52,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:48:52,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:48:52,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:48:52,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:48:52,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:48:52,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:48:52,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:48:52,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:48:52,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:48:52,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:48:52,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:48:52,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:48:52,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:48:52,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:48:52,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:48:52,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de98435f-70e1-4eb1-9791-d8280c07042b/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-15 02:48:52,477 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:48:52,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:48:52,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:48:52,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:48:52,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:48:52,493 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:48:52,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:48:52,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:48:52,493 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 02:48:52,493 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 02:48:52,494 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 02:48:52,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:48:52,494 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:48:52,494 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:48:52,494 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:48:52,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:48:52,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:48:52,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:48:52,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:48:52,496 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:48:52,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:48:52,496 INFO L138 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_de98435f-70e1-4eb1-9791-d8280c07042b/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de98435f-70e1-4eb1-9791-d8280c07042b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b83d1547bf3dd46e9571984e7e0a13f5187eff03a7662628a99d75ecc5b0412 [2022-12-15 02:48:52,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:48:52,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:48:52,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:48:52,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:48:52,703 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:48:52,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de98435f-70e1-4eb1-9791-d8280c07042b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-dietlibc/strcasecmp.i [2022-12-15 02:48:55,300 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:48:55,507 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:48:55,507 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de98435f-70e1-4eb1-9791-d8280c07042b/sv-benchmarks/c/termination-dietlibc/strcasecmp.i [2022-12-15 02:48:55,519 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de98435f-70e1-4eb1-9791-d8280c07042b/bin/ukojak-rkRKPMF4O4/data/5aa9107b9/b39314c51160421f8d596549e9855a19/FLAG628d58115 [2022-12-15 02:48:55,531 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de98435f-70e1-4eb1-9791-d8280c07042b/bin/ukojak-rkRKPMF4O4/data/5aa9107b9/b39314c51160421f8d596549e9855a19 [2022-12-15 02:48:55,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:48:55,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:48:55,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:48:55,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:48:55,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:48:55,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:48:55" (1/1) ... [2022-12-15 02:48:55,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9e90b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:48:55, skipping insertion in model container [2022-12-15 02:48:55,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:48:55" (1/1) ... [2022-12-15 02:48:55,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:48:55,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:48:55,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:48:55,802 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:48:55,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:48:55,856 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:48:55,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:48:55 WrapperNode [2022-12-15 02:48:55,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:48:55,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:48:55,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:48:55,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:48:55,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:48:55" (1/1) ... [2022-12-15 02:48:55,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:48:55" (1/1) ... [2022-12-15 02:48:55,893 INFO L138 Inliner]: procedures = 114, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2022-12-15 02:48:55,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:48:55,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:48:55,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:48:55,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:48:55,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:48:55" (1/1) ... [2022-12-15 02:48:55,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:48:55" (1/1) ... [2022-12-15 02:48:55,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:48:55" (1/1) ... [2022-12-15 02:48:55,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:48:55" (1/1) ... [2022-12-15 02:48:55,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:48:55" (1/1) ... [2022-12-15 02:48:55,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:48:55" (1/1) ... [2022-12-15 02:48:55,915 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:48:55" (1/1) ... [2022-12-15 02:48:55,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:48:55" (1/1) ... [2022-12-15 02:48:55,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:48:55,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:48:55,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:48:55,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:48:55,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:48:55" (1/1) ... [2022-12-15 02:48:55,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:48:55,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de98435f-70e1-4eb1-9791-d8280c07042b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:48:55,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de98435f-70e1-4eb1-9791-d8280c07042b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:48:55,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de98435f-70e1-4eb1-9791-d8280c07042b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:48:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 02:48:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:48:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:48:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:48:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:48:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:48:56,059 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:48:56,061 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:48:56,220 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:48:56,281 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:48:56,281 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 02:48:56,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:48:56 BoogieIcfgContainer [2022-12-15 02:48:56,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:48:56,283 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:48:56,284 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:48:56,291 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:48:56,291 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:48:56" (1/1) ... [2022-12-15 02:48:56,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:48:56,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:56,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2022-12-15 02:48:56,338 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-12-15 02:48:56,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 02:48:56,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:56,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:56,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:48:56,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:56,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2022-12-15 02:48:56,465 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-12-15 02:48:56,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:48:56,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:56,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:48:56,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:56,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2022-12-15 02:48:56,559 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-12-15 02:48:56,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:48:56,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:56,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:56,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:48:57,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2022-12-15 02:48:57,032 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-12-15 02:48:57,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:48:57,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:57,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:57,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:48:57,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:57,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2022-12-15 02:48:57,079 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-12-15 02:48:57,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:48:57,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:57,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:57,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:48:57,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:57,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2022-12-15 02:48:57,677 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2022-12-15 02:48:57,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 02:48:57,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:57,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:57,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:48:58,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:58,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2022-12-15 02:48:58,091 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2022-12-15 02:48:58,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 02:48:58,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:58,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:48:58,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2022-12-15 02:48:58,802 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2022-12-15 02:48:58,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 02:48:58,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:58,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:58,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:48:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2022-12-15 02:48:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2022-12-15 02:48:59,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:48:59,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:59,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:59,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:48:59,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:59,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2022-12-15 02:48:59,780 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2022-12-15 02:48:59,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:48:59,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:59,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:49:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:49:00,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:49:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2022-12-15 02:49:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2022-12-15 02:49:00,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:49:00,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:49:00,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:49:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:49:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:49:01,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:49:01,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 42 states and 74 transitions. [2022-12-15 02:49:01,028 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 74 transitions. [2022-12-15 02:49:01,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:49:01,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:49:01,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:49:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:49:01,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:49:01,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:49:01,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2022-12-15 02:49:01,419 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2022-12-15 02:49:01,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:49:01,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:49:01,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:49:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:49:01,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:49:01,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:49:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 44 states and 78 transitions. [2022-12-15 02:49:01,933 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2022-12-15 02:49:01,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:49:01,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:49:01,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:49:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:49:02,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:49:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:49:02,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2022-12-15 02:49:02,759 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2022-12-15 02:49:02,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:49:02,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:49:02,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:49:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:49:03,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:49:03,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:49:03,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2022-12-15 02:49:03,800 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2022-12-15 02:49:03,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 02:49:03,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:49:03,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:49:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:49:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:49:03,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:49:03,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2022-12-15 02:49:03,979 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2022-12-15 02:49:03,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 02:49:03,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:49:03,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:49:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:49:04,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:49:05,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:49:05,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2022-12-15 02:49:05,489 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2022-12-15 02:49:05,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 02:49:05,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:49:05,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:49:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:49:05,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 02:49:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:49:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:49:05,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 02:49:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:49:05,556 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 18 iterations. [2022-12-15 02:49:05,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:49:05 ImpRootNode [2022-12-15 02:49:05,580 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:49:05,581 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:49:05,581 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:49:05,581 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:49:05,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:48:56" (3/4) ... [2022-12-15 02:49:05,583 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 02:49:05,619 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de98435f-70e1-4eb1-9791-d8280c07042b/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:49:05,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:49:05,619 INFO L158 Benchmark]: Toolchain (without parser) took 10085.33ms. Allocated memory is still 192.9MB. Free memory was 156.7MB in the beginning and 72.9MB in the end (delta: 83.8MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. [2022-12-15 02:49:05,620 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:49:05,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.88ms. Allocated memory is still 192.9MB. Free memory was 156.7MB in the beginning and 140.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 02:49:05,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.07ms. Allocated memory is still 192.9MB. Free memory was 140.4MB in the beginning and 138.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:49:05,622 INFO L158 Benchmark]: Boogie Preprocessor took 24.86ms. Allocated memory is still 192.9MB. Free memory was 138.5MB in the beginning and 137.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:49:05,622 INFO L158 Benchmark]: RCFGBuilder took 363.54ms. Allocated memory is still 192.9MB. Free memory was 137.1MB in the beginning and 118.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 02:49:05,623 INFO L158 Benchmark]: CodeCheck took 9296.79ms. Allocated memory is still 192.9MB. Free memory was 118.2MB in the beginning and 75.0MB in the end (delta: 43.2MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2022-12-15 02:49:05,623 INFO L158 Benchmark]: Witness Printer took 38.16ms. Allocated memory is still 192.9MB. Free memory was 75.0MB in the beginning and 72.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:49:05,626 INFO L339 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: 9.3s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 499 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 432 mSDsluCounter, 157 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 624 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2309 IncrementalHoareTripleChecker+Invalid, 2933 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 624 mSolverCounterUnsat, 88 mSDtfsCounter, 2309 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1034 GetRequests, 856 SyntacticMatches, 18 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10655 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 1036 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 [__builtin_alloca (in_len)={2:0}, i=0, in={2:0}, in_len=1] [L526] COND FALSE !(i