./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a90bb116-be5f-4398-94e6-436fcacaa04c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a90bb116-be5f-4398-94e6-436fcacaa04c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a90bb116-be5f-4398-94e6-436fcacaa04c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a90bb116-be5f-4398-94e6-436fcacaa04c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a90bb116-be5f-4398-94e6-436fcacaa04c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a90bb116-be5f-4398-94e6-436fcacaa04c/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19c675897a6506757b73d61913c0ceb3a779b5c8 ......................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 02:28:29,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:28:29,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:28:29,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:28:29,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:28:29,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:28:29,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:28:29,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:28:29,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:28:29,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:28:29,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:28:29,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:28:29,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:28:29,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:28:29,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:28:29,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:28:29,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:28:29,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:28:29,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:28:29,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:28:29,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:28:29,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:28:29,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:28:29,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:28:29,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:28:29,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:28:29,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:28:29,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:28:29,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:28:29,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:28:29,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:28:29,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:28:29,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:28:29,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:28:29,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:28:29,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:28:29,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:28:29,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:28:29,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:28:29,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:28:29,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:28:29,078 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a90bb116-be5f-4398-94e6-436fcacaa04c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 02:28:29,102 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:28:29,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:28:29,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 02:28:29,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 02:28:29,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:28:29,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:28:29,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:28:29,114 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:28:29,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:28:29,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:28:29,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:28:29,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:28:29,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:28:29,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:28:29,116 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:28:29,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:28:29,116 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:28:29,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:28:29,117 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 02:28:29,117 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 02:28:29,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:28:29,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:28:29,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 02:28:29,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:28:29,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:28:29,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:28:29,119 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 02:28:29,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:28:29,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:28:29,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a90bb116-be5f-4398-94e6-436fcacaa04c/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(__VERIFIER_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 -> 19c675897a6506757b73d61913c0ceb3a779b5c8 [2019-11-20 02:28:29,255 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:28:29,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:28:29,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:28:29,269 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:28:29,270 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:28:29,272 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a90bb116-be5f-4398-94e6-436fcacaa04c/bin/ukojak/../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2019-11-20 02:28:29,328 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a90bb116-be5f-4398-94e6-436fcacaa04c/bin/ukojak/data/00f5fe589/1965553467c34fb18c24fe726279d0d9/FLAGde41af058 [2019-11-20 02:28:29,763 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:28:29,764 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a90bb116-be5f-4398-94e6-436fcacaa04c/sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2019-11-20 02:28:29,775 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a90bb116-be5f-4398-94e6-436fcacaa04c/bin/ukojak/data/00f5fe589/1965553467c34fb18c24fe726279d0d9/FLAGde41af058 [2019-11-20 02:28:30,142 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a90bb116-be5f-4398-94e6-436fcacaa04c/bin/ukojak/data/00f5fe589/1965553467c34fb18c24fe726279d0d9 [2019-11-20 02:28:30,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:28:30,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:28:30,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:28:30,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:28:30,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:28:30,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:28:30" (1/1) ... [2019-11-20 02:28:30,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7bd02f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30, skipping insertion in model container [2019-11-20 02:28:30,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:28:30" (1/1) ... [2019-11-20 02:28:30,161 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:28:30,176 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:28:30,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:28:30,382 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:28:30,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:28:30,416 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:28:30,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30 WrapperNode [2019-11-20 02:28:30,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:28:30,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:28:30,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:28:30,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:28:30,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2019-11-20 02:28:30,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2019-11-20 02:28:30,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:28:30,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:28:30,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:28:30,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:28:30,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2019-11-20 02:28:30,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2019-11-20 02:28:30,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2019-11-20 02:28:30,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2019-11-20 02:28:30,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2019-11-20 02:28:30,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2019-11-20 02:28:30,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... [2019-11-20 02:28:30,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:28:30,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:28:30,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:28:30,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:28:30,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a90bb116-be5f-4398-94e6-436fcacaa04c/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 [2019-11-20 02:28:30,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 02:28:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:28:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:28:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:28:30,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 02:28:30,841 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:28:30,842 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 02:28:30,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:28:30 BoogieIcfgContainer [2019-11-20 02:28:30,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:28:30,844 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 02:28:30,844 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 02:28:30,854 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 02:28:30,854 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:28:30" (1/1) ... [2019-11-20 02:28:30,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:30,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:28:30,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2019-11-20 02:28:30,889 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-11-20 02:28:30,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 02:28:30,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:28:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:28:31,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:28:31,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:28:31,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-11-20 02:28:31,125 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-11-20 02:28:31,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 02:28:31,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:28:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:28:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:28:31,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:28:31,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2019-11-20 02:28:31,388 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-11-20 02:28:31,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 02:28:31,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:28:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:31,536 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2019-11-20 02:28:31,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 02:28:31 ImpRootNode [2019-11-20 02:28:31,569 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 02:28:31,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:28:31,569 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:28:31,569 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:28:31,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:28:30" (3/4) ... [2019-11-20 02:28:31,572 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 02:28:31,631 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a90bb116-be5f-4398-94e6-436fcacaa04c/bin/ukojak/witness.graphml [2019-11-20 02:28:31,632 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:28:31,634 INFO L168 Benchmark]: Toolchain (without parser) took 1487.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -104.6 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:28:31,634 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:28:31,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:28:31,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:28:31,636 INFO L168 Benchmark]: Boogie Preprocessor took 25.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:28:31,636 INFO L168 Benchmark]: RCFGBuilder took 366.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:28:31,637 INFO L168 Benchmark]: CodeCheck took 724.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:28:31,637 INFO L168 Benchmark]: Witness Printer took 62.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:28:31,646 INFO L335 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, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 54 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 70 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 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: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] Char *tmp; [L29] Char pathbuf[1 +1]; [L31] Char *bound = pathbuf + sizeof(pathbuf) - 1; [L33] tmp = pathbuf + sizeof(pathbuf)/sizeof(*pathbuf) - 1 [L16] Char *p; [L18] p = pathbuf VAL [tmp={2:4}] [L18] COND TRUE p <= pathlim [L4] COND FALSE !(!(cond)) VAL [tmp={2:4}] [L21] *p = 1 [L18] p++ VAL [tmp={2:4}] [L18] COND TRUE p <= pathlim [L4] COND FALSE !(!(cond)) VAL [tmp={2:4}] [L21] *p = 1 [L18] p++ VAL [tmp={2:4}] [L18] COND TRUE p <= pathlim [L4] COND TRUE !(cond) VAL [tmp={2:4}] [L5] __VERIFIER_error() VAL [tmp={2:4}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 366.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * CodeCheck took 724.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. * Witness Printer took 62.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...