./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-01-2.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_57465b4b-5006-4747-bd6c-85ef6d9d294a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_57465b4b-5006-4747-bd6c-85ef6d9d294a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_57465b4b-5006-4747-bd6c-85ef6d9d294a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_57465b4b-5006-4747-bd6c-85ef6d9d294a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-01-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_57465b4b-5006-4747-bd6c-85ef6d9d294a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_57465b4b-5006-4747-bd6c-85ef6d9d294a/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 2ea18b6ba0d977117db11fbdff34c486def646c3 ..................................................................................................................................................................................................................................................................................................................................................................................... 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 04:43:25,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:43:25,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:43:25,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:43:25,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:43:25,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:43:25,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:43:25,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:43:25,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:43:25,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:43:25,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:43:25,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:43:25,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:43:26,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:43:26,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:43:26,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:43:26,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:43:26,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:43:26,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:43:26,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:43:26,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:43:26,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:43:26,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:43:26,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:43:26,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:43:26,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:43:26,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:43:26,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:43:26,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:43:26,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:43:26,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:43:26,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:43:26,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:43:26,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:43:26,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:43:26,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:43:26,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:43:26,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:43:26,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:43:26,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:43:26,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:43:26,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_57465b4b-5006-4747-bd6c-85ef6d9d294a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:43:26,081 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:43:26,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:43:26,089 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:43:26,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:43:26,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:43:26,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:43:26,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:43:26,091 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:43:26,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:43:26,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:43:26,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:43:26,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:43:26,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:43:26,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:43:26,094 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:43:26,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:43:26,094 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:43:26,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:43:26,095 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:43:26,095 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:43:26,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:43:26,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:43:26,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:43:26,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:43:26,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:43:26,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:43:26,097 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:43:26,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:43:26,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:43:26,098 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_57465b4b-5006-4747-bd6c-85ef6d9d294a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_57465b4b-5006-4747-bd6c-85ef6d9d294a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea18b6ba0d977117db11fbdff34c486def646c3 [2020-11-28 04:43:26,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:43:26,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:43:26,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:43:26,414 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:43:26,416 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:43:26,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_57465b4b-5006-4747-bd6c-85ef6d9d294a/bin/ukojak/../../sv-benchmarks/c/forester-heap/sll-01-2.i [2020-11-28 04:43:26,498 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57465b4b-5006-4747-bd6c-85ef6d9d294a/bin/ukojak/data/a23e265b5/f30cc98eb18846dc81e6d5b792c9948d/FLAG7a7bee6b5 [2020-11-28 04:43:27,025 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:43:27,042 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_57465b4b-5006-4747-bd6c-85ef6d9d294a/sv-benchmarks/c/forester-heap/sll-01-2.i [2020-11-28 04:43:27,066 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57465b4b-5006-4747-bd6c-85ef6d9d294a/bin/ukojak/data/a23e265b5/f30cc98eb18846dc81e6d5b792c9948d/FLAG7a7bee6b5 [2020-11-28 04:43:27,353 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_57465b4b-5006-4747-bd6c-85ef6d9d294a/bin/ukojak/data/a23e265b5/f30cc98eb18846dc81e6d5b792c9948d [2020-11-28 04:43:27,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:43:27,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:43:27,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:27,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:43:27,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:43:27,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:27" (1/1) ... [2020-11-28 04:43:27,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@450bdc8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:27, skipping insertion in model container [2020-11-28 04:43:27,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:27" (1/1) ... [2020-11-28 04:43:27,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:43:27,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:43:27,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:27,838 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:43:27,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:27,969 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:43:27,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:27 WrapperNode [2020-11-28 04:43:27,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:27,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:27,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:43:27,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:43:27,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:27" (1/1) ... [2020-11-28 04:43:28,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:27" (1/1) ... [2020-11-28 04:43:28,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:28,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:43:28,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:43:28,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:43:28,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:27" (1/1) ... [2020-11-28 04:43:28,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:27" (1/1) ... [2020-11-28 04:43:28,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:27" (1/1) ... [2020-11-28 04:43:28,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:27" (1/1) ... [2020-11-28 04:43:28,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:27" (1/1) ... [2020-11-28 04:43:28,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:27" (1/1) ... [2020-11-28 04:43:28,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:27" (1/1) ... [2020-11-28 04:43:28,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:43:28,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:43:28,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:43:28,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:43:28,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57465b4b-5006-4747-bd6c-85ef6d9d294a/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 04:43:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-28 04:43:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-28 04:43:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:43:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 04:43:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:43:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 04:43:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:43:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:43:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:43:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:43:29,157 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:43:29,157 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-11-28 04:43:29,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:29 BoogieIcfgContainer [2020-11-28 04:43:29,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:43:29,160 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:43:29,160 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:43:29,170 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:43:29,171 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:29" (1/1) ... [2020-11-28 04:43:29,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:43:29,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:29,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 79 states and 136 transitions. [2020-11-28 04:43:29,234 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 136 transitions. [2020-11-28 04:43:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:43:29,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:29,406 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 04:43:29,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 63 states and 103 transitions. [2020-11-28 04:43:29,459 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 103 transitions. [2020-11-28 04:43:29,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:43:29,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:29,578 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 04:43:29,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:29,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 62 states and 99 transitions. [2020-11-28 04:43:29,601 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 99 transitions. [2020-11-28 04:43:29,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:43:29,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:29,715 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 04:43:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:29,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 93 transitions. [2020-11-28 04:43:29,745 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2020-11-28 04:43:29,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 04:43:29,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:29,823 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 04:43:29,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:29,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 65 states and 97 transitions. [2020-11-28 04:43:29,961 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2020-11-28 04:43:29,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:43:29,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:30,013 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 04:43:30,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:30,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 64 states and 93 transitions. [2020-11-28 04:43:30,024 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2020-11-28 04:43:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:43:30,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:30,104 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 04:43:30,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:30,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 66 states and 95 transitions. [2020-11-28 04:43:30,142 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2020-11-28 04:43:30,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:43:30,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:30,227 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 04:43:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:30,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2020-11-28 04:43:30,271 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2020-11-28 04:43:30,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:43:30,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:30,318 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 04:43:30,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:30,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2020-11-28 04:43:30,350 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2020-11-28 04:43:30,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:43:30,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:30,437 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 04:43:30,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:30,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 66 states and 89 transitions. [2020-11-28 04:43:30,477 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2020-11-28 04:43:30,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:43:30,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:31,114 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 04:43:32,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:32,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2020-11-28 04:43:32,960 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2020-11-28 04:43:32,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:43:32,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:33,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:43:33,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:33,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 76 states and 103 transitions. [2020-11-28 04:43:33,152 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2020-11-28 04:43:33,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:43:33,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:33,838 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 04:43:37,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:37,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 90 states and 123 transitions. [2020-11-28 04:43:37,054 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 123 transitions. [2020-11-28 04:43:37,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:43:37,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:37,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:43:37,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:37,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 84 states and 114 transitions. [2020-11-28 04:43:37,615 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2020-11-28 04:43:37,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:43:37,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:38,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:41,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:41,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 95 states and 133 transitions. [2020-11-28 04:43:41,181 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 133 transitions. [2020-11-28 04:43:41,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:43:41,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:41,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:41,994 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-11-28 04:43:44,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:44,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 103 states and 145 transitions. [2020-11-28 04:43:44,929 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 145 transitions. [2020-11-28 04:43:44,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:43:44,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:45,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:47,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 114 states and 162 transitions. [2020-11-28 04:43:47,692 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 162 transitions. [2020-11-28 04:43:47,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 04:43:47,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:53,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:53,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 124 states and 184 transitions. [2020-11-28 04:43:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 184 transitions. [2020-11-28 04:43:53,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:43:53,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:53,264 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:53,304 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:53,411 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:53,486 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:53,523 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 18 iterations. [2020-11-28 04:43:53,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:43:53 ImpRootNode [2020-11-28 04:43:53,566 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:43:53,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:43:53,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:43:53,567 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:43:53,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:29" (3/4) ... [2020-11-28 04:43:53,570 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:43:53,714 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_57465b4b-5006-4747-bd6c-85ef6d9d294a/bin/ukojak/witness.graphml [2020-11-28 04:43:53,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:43:53,716 INFO L168 Benchmark]: Toolchain (without parser) took 26358.56 ms. Allocated memory was 92.3 MB in the beginning and 237.0 MB in the end (delta: 144.7 MB). Free memory was 56.7 MB in the beginning and 202.5 MB in the end (delta: -145.8 MB). Peak memory consumption was 131.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:53,716 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 62.9 MB in the beginning and 62.9 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:53,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.08 ms. Allocated memory is still 92.3 MB. Free memory was 56.5 MB in the beginning and 54.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:53,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.23 ms. Allocated memory is still 92.3 MB. Free memory was 54.9 MB in the beginning and 52.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:53,719 INFO L168 Benchmark]: Boogie Preprocessor took 67.95 ms. Allocated memory is still 92.3 MB. Free memory was 52.4 MB in the beginning and 50.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:53,720 INFO L168 Benchmark]: RCFGBuilder took 1036.25 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 50.3 MB in the beginning and 55.5 MB in the end (delta: -5.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:53,721 INFO L168 Benchmark]: CodeCheck took 24406.16 ms. Allocated memory was 113.2 MB in the beginning and 237.0 MB in the end (delta: 123.7 MB). Free memory was 55.3 MB in the beginning and 74.4 MB in the end (delta: -19.1 MB). Peak memory consumption was 104.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:53,722 INFO L168 Benchmark]: Witness Printer took 147.52 ms. Allocated memory is still 237.0 MB. Free memory was 74.4 MB in the beginning and 202.5 MB in the end (delta: -128.1 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:53,726 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 2 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 24.3s, OverallIterations: 18, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1756432 SDtfs, 315418 SDslu, 199104 SDs, 0 SdLazy, 1145526 SolverSat, 507528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2993 GetRequests, 2767 SyntacticMatches, 8 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16257 ImplicationChecksByTransitivity, 21.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 381 NumberOfCodeBlocks, 381 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 332 ConstructedInterpolants, 0 QuantifiedInterpolants, 64876 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 5/10 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: 992]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1002] SLL* list = malloc(sizeof(SLL)); [L1003] list->next = ((void*)0) [L1004] COND FALSE !(!(list != ((void*)0))) [L1004] COND FALSE !(__VERIFIER_nondet_int()) [L1004] list->inner = malloc(sizeof(SLL)) [L1004] EXPR list->inner [L1004] list->inner->next = ((void*)0) [L1004] EXPR list->inner [L1004] list->inner->inner = ((void*)0) [L1004] EXPR list->inner [L1004] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) [L1004] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L1006] SLL* end = list; [L1009] COND FALSE !(__VERIFIER_nondet_int()) [L1019] end = ((void*)0) [L1020] end = list [L1023] COND FALSE !(!(((void*)0) != end)) [L1025] COND TRUE ((void*)0) != end [L1027] int len = 0; [L1028] EXPR end->inner [L1028] SLL* inner = end->inner; [L1029] COND TRUE ((void*)0) != inner [L1031] COND TRUE len == 0 [L1032] len = 1 [L1035] COND FALSE !(!(((void*)0) != inner)) [L1036] EXPR inner->inner [L1036] COND FALSE !(!(((void*)0) == inner->inner)) [L1037] EXPR inner->next [L1037] COND FALSE !(!(((void*)0) == inner->next)) [L1038] EXPR inner->inner [L1038] inner = inner->inner [L1039] COND TRUE len == 1 [L1040] EXPR inner->inner [L1040] inner = inner->inner [L1029] COND TRUE ((void*)0) != inner [L1031] COND FALSE !(len == 0) [L1034] len = 2 [L1035] COND FALSE !(!(((void*)0) != inner)) [L1036] EXPR inner->inner [L1036] COND TRUE !(((void*)0) == inner->inner) [L1036] CALL reach_error() [L992] COND FALSE !(0) [L992] __assert_fail ("0", "sll-01-2.c", 12, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 62.9 MB in the beginning and 62.9 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 610.08 ms. Allocated memory is still 92.3 MB. Free memory was 56.5 MB in the beginning and 54.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.23 ms. Allocated memory is still 92.3 MB. Free memory was 54.9 MB in the beginning and 52.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.95 ms. Allocated memory is still 92.3 MB. Free memory was 52.4 MB in the beginning and 50.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1036.25 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 50.3 MB in the beginning and 55.5 MB in the end (delta: -5.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. * CodeCheck took 24406.16 ms. Allocated memory was 113.2 MB in the beginning and 237.0 MB in the end (delta: 123.7 MB). Free memory was 55.3 MB in the beginning and 74.4 MB in the end (delta: -19.1 MB). Peak memory consumption was 104.6 MB. Max. memory is 16.1 GB. * Witness Printer took 147.52 ms. Allocated memory is still 237.0 MB. Free memory was 74.4 MB in the beginning and 202.5 MB in the end (delta: -128.1 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...