./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.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_e736bb51-9817-461b-bfd0-c39d91cdc63d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e736bb51-9817-461b-bfd0-c39d91cdc63d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e736bb51-9817-461b-bfd0-c39d91cdc63d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e736bb51-9817-461b-bfd0-c39d91cdc63d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e736bb51-9817-461b-bfd0-c39d91cdc63d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e736bb51-9817-461b-bfd0-c39d91cdc63d/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 9ee3fbac20f2e3901a6c722d8c87f09ca9b3135c ............................................................................................................................................................................................................................................................................................................................................................ 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 [2020-11-29 20:33:26,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:33:26,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:33:26,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:33:26,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:33:26,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:33:26,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:33:26,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:33:26,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:33:26,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:33:26,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:33:26,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:33:26,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:33:26,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:33:26,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:33:26,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:33:26,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:33:26,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:33:26,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:33:26,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:33:26,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:33:26,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:33:26,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:33:26,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:33:26,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:33:26,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:33:26,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:33:26,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:33:26,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:33:26,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:33:26,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:33:26,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:33:26,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:33:26,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:33:26,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:33:26,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:33:26,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:33:26,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:33:26,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:33:26,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:33:26,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:33:26,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e736bb51-9817-461b-bfd0-c39d91cdc63d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 20:33:26,812 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:33:26,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:33:26,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:33:26,813 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:33:26,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:33:26,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:33:26,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:33:26,815 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:33:26,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:33:26,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:33:26,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:33:26,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:33:26,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:33:26,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:33:26,817 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:33:26,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:33:26,817 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:33:26,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:33:26,818 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:33:26,818 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:33:26,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:33:26,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:33:26,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:33:26,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:33:26,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:33:26,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:33:26,819 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:33:26,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:33:26,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:33:26,820 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_e736bb51-9817-461b-bfd0-c39d91cdc63d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e736bb51-9817-461b-bfd0-c39d91cdc63d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ee3fbac20f2e3901a6c722d8c87f09ca9b3135c [2020-11-29 20:33:27,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:33:27,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:33:27,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:33:27,190 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:33:27,191 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:33:27,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e736bb51-9817-461b-bfd0-c39d91cdc63d/bin/ukojak/../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2020-11-29 20:33:27,271 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e736bb51-9817-461b-bfd0-c39d91cdc63d/bin/ukojak/data/9a3a5f937/bf74e50180df4d1f9c92d5c595509b2f/FLAG040ab5c3d [2020-11-29 20:33:27,944 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:33:27,944 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e736bb51-9817-461b-bfd0-c39d91cdc63d/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2020-11-29 20:33:27,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e736bb51-9817-461b-bfd0-c39d91cdc63d/bin/ukojak/data/9a3a5f937/bf74e50180df4d1f9c92d5c595509b2f/FLAG040ab5c3d [2020-11-29 20:33:28,223 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e736bb51-9817-461b-bfd0-c39d91cdc63d/bin/ukojak/data/9a3a5f937/bf74e50180df4d1f9c92d5c595509b2f [2020-11-29 20:33:28,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:33:28,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:33:28,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:33:28,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:33:28,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:33:28,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:33:28" (1/1) ... [2020-11-29 20:33:28,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c669e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:28, skipping insertion in model container [2020-11-29 20:33:28,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:33:28" (1/1) ... [2020-11-29 20:33:28,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:33:28,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:33:28,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:33:28,767 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:33:28,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:33:28,908 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:33:28,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:28 WrapperNode [2020-11-29 20:33:28,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:33:28,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:33:28,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:33:28,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:33:28,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:28" (1/1) ... [2020-11-29 20:33:28,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:28" (1/1) ... [2020-11-29 20:33:28,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:33:28,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:33:28,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:33:28,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:33:29,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:28" (1/1) ... [2020-11-29 20:33:29,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:28" (1/1) ... [2020-11-29 20:33:29,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:28" (1/1) ... [2020-11-29 20:33:29,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:28" (1/1) ... [2020-11-29 20:33:29,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:28" (1/1) ... [2020-11-29 20:33:29,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:28" (1/1) ... [2020-11-29 20:33:29,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:28" (1/1) ... [2020-11-29 20:33:29,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:33:29,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:33:29,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:33:29,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:33:29,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:33:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e736bb51-9817-461b-bfd0-c39d91cdc63d/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 [2020-11-29 20:33:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-11-29 20:33:29,108 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-11-29 20:33:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 20:33:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure _get_nondet_int [2020-11-29 20:33:29,109 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_nondet_int [2020-11-29 20:33:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 20:33:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:33:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 20:33:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:33:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-29 20:33:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:33:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:33:29,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:33:29,385 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-11-29 20:33:29,897 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:33:29,897 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-11-29 20:33:29,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:33:29 BoogieIcfgContainer [2020-11-29 20:33:29,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:33:29,900 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 20:33:29,900 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 20:33:29,912 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 20:33:29,912 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:33:29" (1/1) ... [2020-11-29 20:33:29,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:33:29,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:33:29,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2020-11-29 20:33:29,971 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2020-11-29 20:33:29,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 20:33:29,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:33:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:30,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:33:30,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:33:30,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2020-11-29 20:33:30,165 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-11-29 20:33:30,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 20:33:30,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:33:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:30,349 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 20:33:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:33:30,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 59 transitions. [2020-11-29 20:33:30,540 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2020-11-29 20:33:30,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 20:33:30,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:33:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:30,795 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 20:33:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:33:31,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2020-11-29 20:33:31,663 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2020-11-29 20:33:31,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 20:33:31,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:33:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:31,929 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 20:33:32,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:33:32,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 68 transitions. [2020-11-29 20:33:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2020-11-29 20:33:32,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 20:33:32,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:33:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:33:33,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:33:33,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 73 transitions. [2020-11-29 20:33:33,731 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2020-11-29 20:33:33,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 20:33:33,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:33:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:33,845 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:33:34,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:33:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 72 transitions. [2020-11-29 20:33:34,044 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-11-29 20:33:34,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 20:33:34,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:33:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 20:33:35,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:33:35,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 79 transitions. [2020-11-29 20:33:35,961 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-11-29 20:33:35,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 20:33:35,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:33:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:36,704 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 20:33:42,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:33:42,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 77 states and 115 transitions. [2020-11-29 20:33:42,111 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2020-11-29 20:33:42,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 20:33:42,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:33:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:43,445 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 20:33:50,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:33:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 94 states and 144 transitions. [2020-11-29 20:33:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2020-11-29 20:33:50,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 20:33:50,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:33:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:33:50,931 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 20:33:52,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:33:52,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 96 states and 147 transitions. [2020-11-29 20:33:52,248 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 147 transitions. [2020-11-29 20:33:52,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 20:33:52,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:33:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:33:52,315 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:33:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:33:52,364 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:33:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:33:52,467 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:33:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:33:52,512 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:33:52,599 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2020-11-29 20:33:52,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 08:33:52 ImpRootNode [2020-11-29 20:33:52,680 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 20:33:52,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:33:52,681 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:33:52,681 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:33:52,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:33:29" (3/4) ... [2020-11-29 20:33:52,684 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 20:33:52,833 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e736bb51-9817-461b-bfd0-c39d91cdc63d/bin/ukojak/witness.graphml [2020-11-29 20:33:52,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:33:52,835 INFO L168 Benchmark]: Toolchain (without parser) took 24603.52 ms. Allocated memory was 100.7 MB in the beginning and 406.8 MB in the end (delta: 306.2 MB). Free memory was 62.8 MB in the beginning and 290.7 MB in the end (delta: -227.9 MB). Peak memory consumption was 78.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:33:52,836 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory was 80.2 MB in the beginning and 80.1 MB in the end (delta: 69.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:33:52,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.48 ms. Allocated memory is still 100.7 MB. Free memory was 62.5 MB in the beginning and 62.2 MB in the end (delta: 355.5 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:33:52,837 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.21 ms. Allocated memory is still 100.7 MB. Free memory was 62.2 MB in the beginning and 60.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:33:52,838 INFO L168 Benchmark]: Boogie Preprocessor took 46.43 ms. Allocated memory is still 100.7 MB. Free memory was 60.0 MB in the beginning and 58.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:33:52,839 INFO L168 Benchmark]: RCFGBuilder took 858.14 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 58.1 MB in the beginning and 94.6 MB in the end (delta: -36.5 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:33:52,840 INFO L168 Benchmark]: CodeCheck took 22780.24 ms. Allocated memory was 132.1 MB in the beginning and 406.8 MB in the end (delta: 274.7 MB). Free memory was 94.3 MB in the beginning and 294.9 MB in the end (delta: -200.6 MB). Peak memory consumption was 75.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:33:52,841 INFO L168 Benchmark]: Witness Printer took 152.27 ms. Allocated memory is still 406.8 MB. Free memory was 294.9 MB in the beginning and 290.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:33:52,846 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 3 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 22.6s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17264 SDtfs, 4760 SDslu, 4592 SDs, 0 SdLazy, 35508 SolverSat, 12560 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2403 GetRequests, 2116 SyntacticMatches, 29 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23171 ImplicationChecksByTransitivity, 20.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 342 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 295 ConstructedInterpolants, 0 QuantifiedInterpolants, 62185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 53/113 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: [L627] CALL, EXPR _get_nondet_int(2, 5) VAL [\old(from)=2, \old(until)=5] [L620] int len = from; VAL [\old(from)=2, \old(until)=5, from=2, len=2, until=5] [L621] len < until && __VERIFIER_nondet_int() [L621] len < until && __VERIFIER_nondet_int() VAL [\old(from)=2, \old(until)=5, __VERIFIER_nondet_int()=0, from=2, len=2, len < until && __VERIFIER_nondet_int()=0, until=5] [L621] COND FALSE !(len < until && __VERIFIER_nondet_int()) [L624] return len; [L627] RET, EXPR _get_nondet_int(2, 5) [L627] const int len = _get_nondet_int(2, 5); [L628] SLL s = sll_create(len); [L575] SLL head = ((void *)0); [L576] EXPR len-- [L576] COND TRUE len-- > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE !(((void *)0) == new_head) [L581] new_head->next = head [L582] head = new_head [L576] EXPR len-- [L576] COND TRUE len-- > 0 [L577] SLL new_head = (SLL) malloc(sizeof(struct node)); [L578] COND FALSE !(((void *)0) == new_head) [L581] new_head->next = head [L582] head = new_head [L576] EXPR len-- [L576] COND FALSE !(len-- > 0) [L584] return head; [L628] SLL s = sll_create(len); [L629] CALL, EXPR _get_nondet_int(0, len - 1) VAL [\old(from)=0, \old(until)=1] [L620] int len = from; VAL [\old(from)=0, \old(until)=1, from=0, len=0, until=1] [L621] len < until && __VERIFIER_nondet_int() [L621] len < until && __VERIFIER_nondet_int() VAL [\old(from)=0, \old(until)=1, __VERIFIER_nondet_int()=1, from=0, len=0, len < until && __VERIFIER_nondet_int()=1, until=1] [L621] COND TRUE len < until && __VERIFIER_nondet_int() [L622] len++ VAL [\old(from)=0, \old(until)=1, from=0, len=1, until=1] [L621] len < until && __VERIFIER_nondet_int() VAL [\old(from)=0, \old(until)=1, __VERIFIER_nondet_int()=0, from=0, len=1, len < until && __VERIFIER_nondet_int()=0, until=1] [L621] COND FALSE !(len < until && __VERIFIER_nondet_int()) [L624] return len; [L629] RET, EXPR _get_nondet_int(0, len - 1) [L629] const int k = _get_nondet_int(0, len - 1); [L630] int i = 0; [L631] i < k && __VERIFIER_nondet_int() [L631] i < k && __VERIFIER_nondet_int() [L631] COND FALSE !(i < k && __VERIFIER_nondet_int()) [L636] EXPR \read(s) [L587] int len = 0; [L588] COND TRUE \read(head) [L589] len++ [L590] EXPR head->next [L590] head = head->next [L588] COND TRUE \read(head) [L589] len++ [L590] EXPR head->next [L590] head = head->next [L588] COND FALSE !(\read(head)) [L592] return len; [L636] COND TRUE k + len != sll_length(s) [L12] COND FALSE !(0) [L12] __assert_fail ("0", "sll_nondet_insert-1.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory was 80.2 MB in the beginning and 80.1 MB in the end (delta: 69.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 675.48 ms. Allocated memory is still 100.7 MB. Free memory was 62.5 MB in the beginning and 62.2 MB in the end (delta: 355.5 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.21 ms. Allocated memory is still 100.7 MB. Free memory was 62.2 MB in the beginning and 60.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.43 ms. Allocated memory is still 100.7 MB. Free memory was 60.0 MB in the beginning and 58.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 858.14 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 58.1 MB in the beginning and 94.6 MB in the end (delta: -36.5 MB). Peak memory consumption was 28.7 MB. Max. memory is 16.1 GB. * CodeCheck took 22780.24 ms. Allocated memory was 132.1 MB in the beginning and 406.8 MB in the end (delta: 274.7 MB). Free memory was 94.3 MB in the beginning and 294.9 MB in the end (delta: -200.6 MB). Peak memory consumption was 75.2 MB. Max. memory is 16.1 GB. * Witness Printer took 152.27 ms. Allocated memory is still 406.8 MB. Free memory was 294.9 MB in the beginning and 290.7 MB in the end (delta: 4.2 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...