./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ca5a94a2-97e2-4fa0-abda-fa68856affa7/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ca5a94a2-97e2-4fa0-abda-fa68856affa7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ca5a94a2-97e2-4fa0-abda-fa68856affa7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ca5a94a2-97e2-4fa0-abda-fa68856affa7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ca5a94a2-97e2-4fa0-abda-fa68856affa7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ca5a94a2-97e2-4fa0-abda-fa68856affa7/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e365d1f7c546788b4f6c8f402c5031aacc4ea6e6 ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:38:19,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:38:19,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:38:19,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:38:19,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:38:19,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:38:19,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:38:19,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:38:19,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:38:19,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:38:19,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:38:19,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:38:19,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:38:19,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:38:19,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:38:19,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:38:19,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:38:19,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:38:19,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:38:19,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:38:19,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:38:19,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:38:19,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:38:19,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:38:19,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:38:19,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:38:19,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:38:19,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:38:19,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:38:19,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:38:19,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:38:19,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:38:19,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:38:19,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:38:19,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:38:19,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:38:19,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:38:19,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:38:19,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:38:19,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:38:19,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:38:19,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ca5a94a2-97e2-4fa0-abda-fa68856affa7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:38:19,475 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:38:19,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:38:19,476 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:38:19,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:38:19,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:38:19,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:38:19,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:38:19,478 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:38:19,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:38:19,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:38:19,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:38:19,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:38:19,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:38:19,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:38:19,481 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:38:19,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:38:19,481 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:38:19,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:38:19,481 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:38:19,482 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:38:19,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:38:19,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:38:19,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:38:19,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:38:19,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:38:19,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:38:19,483 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:38:19,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:38:19,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:38:19,484 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-vcloud-master/worker/run_dir_ca5a94a2-97e2-4fa0-abda-fa68856affa7/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ca5a94a2-97e2-4fa0-abda-fa68856affa7/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e365d1f7c546788b4f6c8f402c5031aacc4ea6e6 [2020-11-28 04:38:19,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:38:19,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:38:19,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:38:19,806 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:38:19,807 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:38:19,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ca5a94a2-97e2-4fa0-abda-fa68856affa7/bin/ukojak/../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2020-11-28 04:38:19,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca5a94a2-97e2-4fa0-abda-fa68856affa7/bin/ukojak/data/5c097b5f9/12b13f0a34be4b119951e3417cc6a0a5/FLAG2bb13cc1a [2020-11-28 04:38:20,307 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:38:20,308 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ca5a94a2-97e2-4fa0-abda-fa68856affa7/sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2020-11-28 04:38:20,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca5a94a2-97e2-4fa0-abda-fa68856affa7/bin/ukojak/data/5c097b5f9/12b13f0a34be4b119951e3417cc6a0a5/FLAG2bb13cc1a [2020-11-28 04:38:20,706 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ca5a94a2-97e2-4fa0-abda-fa68856affa7/bin/ukojak/data/5c097b5f9/12b13f0a34be4b119951e3417cc6a0a5 [2020-11-28 04:38:20,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:38:20,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:38:20,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:20,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:38:20,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:38:20,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:20" (1/1) ... [2020-11-28 04:38:20,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e2dea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:20, skipping insertion in model container [2020-11-28 04:38:20,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:20" (1/1) ... [2020-11-28 04:38:20,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:38:20,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:38:20,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:20,946 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:38:20,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:20,994 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:38:20,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:20 WrapperNode [2020-11-28 04:38:20,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:20,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:20,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:38:21,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:38:21,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:20" (1/1) ... [2020-11-28 04:38:21,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:20" (1/1) ... [2020-11-28 04:38:21,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:21,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:38:21,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:38:21,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:38:21,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:20" (1/1) ... [2020-11-28 04:38:21,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:20" (1/1) ... [2020-11-28 04:38:21,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:20" (1/1) ... [2020-11-28 04:38:21,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:20" (1/1) ... [2020-11-28 04:38:21,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:20" (1/1) ... [2020-11-28 04:38:21,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:20" (1/1) ... [2020-11-28 04:38:21,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:20" (1/1) ... [2020-11-28 04:38:21,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:38:21,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:38:21,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:38:21,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:38:21,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca5a94a2-97e2-4fa0-abda-fa68856affa7/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:38:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:38:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:38:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:38:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:38:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:38:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:38:21,493 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:38:21,493 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-28 04:38:21,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:21 BoogieIcfgContainer [2020-11-28 04:38:21,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:38:21,496 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:38:21,496 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:38:21,506 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:38:21,507 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:21" (1/1) ... [2020-11-28 04:38:21,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:38:21,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:21,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-11-28 04:38:21,551 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-11-28 04:38:21,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:38:21,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:21,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:21,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:21,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2020-11-28 04:38:21,832 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2020-11-28 04:38:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:38:21,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:21,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:22,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:22,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2020-11-28 04:38:22,110 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2020-11-28 04:38:22,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:38:22,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:22,166 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:22,202 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:22,287 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:22,306 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:22,321 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2020-11-28 04:38:22,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:38:22 ImpRootNode [2020-11-28 04:38:22,352 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:38:22,353 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:38:22,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:38:22,354 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:38:22,354 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:21" (3/4) ... [2020-11-28 04:38:22,356 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:38:22,403 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ca5a94a2-97e2-4fa0-abda-fa68856affa7/bin/ukojak/witness.graphml [2020-11-28 04:38:22,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:38:22,405 INFO L168 Benchmark]: Toolchain (without parser) took 1694.71 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 57.7 MB in the beginning and 77.8 MB in the end (delta: -20.2 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:22,406 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 48.0 MB in the beginning and 47.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:22,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.40 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 57.5 MB in the beginning and 85.8 MB in the end (delta: -28.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:22,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.35 ms. Allocated memory is still 109.1 MB. Free memory was 85.8 MB in the beginning and 84.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:22,408 INFO L168 Benchmark]: Boogie Preprocessor took 35.24 ms. Allocated memory is still 109.1 MB. Free memory was 84.5 MB in the beginning and 83.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:22,408 INFO L168 Benchmark]: RCFGBuilder took 421.09 ms. Allocated memory is still 109.1 MB. Free memory was 83.3 MB in the beginning and 65.2 MB in the end (delta: 18.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:22,409 INFO L168 Benchmark]: CodeCheck took 856.89 ms. Allocated memory is still 109.1 MB. Free memory was 65.2 MB in the beginning and 80.7 MB in the end (delta: -15.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:22,409 INFO L168 Benchmark]: Witness Printer took 50.10 ms. Allocated memory is still 109.1 MB. Free memory was 80.7 MB in the beginning and 77.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:22,412 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, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 56 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 365 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L23] Char *tmp; [L40] Char pathbuf[1 +1]; [L42] Char *bound = pathbuf + sizeof(pathbuf) - 1; [L44] tmp = pathbuf + sizeof(pathbuf)/sizeof(*pathbuf) - 1 [L27] Char *p; [L29] p = pathbuf VAL [tmp={2:4}] [L29] COND TRUE p <= pathlim [L15] COND FALSE !(!(cond)) VAL [tmp={2:4}] [L32] *p = 1 [L29] p++ VAL [tmp={2:4}] [L29] COND TRUE p <= pathlim [L15] COND FALSE !(!(cond)) VAL [tmp={2:4}] [L32] *p = 1 [L29] p++ VAL [tmp={2:4}] [L29] COND TRUE p <= pathlim [L15] COND TRUE !(cond) [L12] COND FALSE !(0) VAL [tmp={2:4}] [L12] __assert_fail ("0", "verisec_NetBSD-libc_loop.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [tmp={2:4}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 48.0 MB in the beginning and 47.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 285.40 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 57.5 MB in the beginning and 85.8 MB in the end (delta: -28.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.35 ms. Allocated memory is still 109.1 MB. Free memory was 85.8 MB in the beginning and 84.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.24 ms. Allocated memory is still 109.1 MB. Free memory was 84.5 MB in the beginning and 83.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 421.09 ms. Allocated memory is still 109.1 MB. Free memory was 83.3 MB in the beginning and 65.2 MB in the end (delta: 18.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 856.89 ms. Allocated memory is still 109.1 MB. Free memory was 65.2 MB in the beginning and 80.7 MB in the end (delta: -15.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 50.10 ms. Allocated memory is still 109.1 MB. Free memory was 80.7 MB in the beginning and 77.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...