./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0158_1_false-valid-free.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ac2590aa-2ac1-4772-9121-7635dd4ed79b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ac2590aa-2ac1-4772-9121-7635dd4ed79b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ac2590aa-2ac1-4772-9121-7635dd4ed79b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ac2590aa-2ac1-4772-9121-7635dd4ed79b/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0158_1_false-valid-free.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ac2590aa-2ac1-4772-9121-7635dd4ed79b/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ac2590aa-2ac1-4772-9121-7635dd4ed79b/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 138abb836fefa85c9c71aca16cbe8ef2e2e31ba9 ................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 18:38:58,226 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:38:58,227 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:38:58,233 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:38:58,233 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:38:58,234 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:38:58,234 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:38:58,235 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:38:58,236 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:38:58,236 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:38:58,237 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:38:58,237 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:38:58,237 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:38:58,238 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:38:58,238 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:38:58,239 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:38:58,239 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:38:58,240 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:38:58,241 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:38:58,241 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:38:58,242 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:38:58,242 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:38:58,243 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:38:58,244 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:38:58,244 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:38:58,244 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:38:58,244 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:38:58,245 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:38:58,245 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:38:58,246 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:38:58,246 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:38:58,246 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:38:58,246 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:38:58,246 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:38:58,247 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:38:58,247 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:38:58,247 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ac2590aa-2ac1-4772-9121-7635dd4ed79b/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-09 18:38:58,254 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:38:58,254 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:38:58,255 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 18:38:58,255 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 18:38:58,255 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:38:58,255 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:38:58,255 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 18:38:58,256 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:38:58,256 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:38:58,256 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:38:58,256 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 18:38:58,256 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 18:38:58,256 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 18:38:58,256 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:38:58,256 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:38:58,256 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 18:38:58,256 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 18:38:58,256 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 18:38:58,257 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:38:58,257 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:38:58,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 18:38:58,257 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:38:58,257 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:38:58,257 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 18:38:58,257 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:38:58,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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/working_dir_ac2590aa-2ac1-4772-9121-7635dd4ed79b/bin-2019/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 138abb836fefa85c9c71aca16cbe8ef2e2e31ba9 [2018-12-09 18:38:58,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:38:58,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:38:58,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:38:58,288 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:38:58,288 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:38:58,288 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ac2590aa-2ac1-4772-9121-7635dd4ed79b/bin-2019/ukojak/../../sv-benchmarks/c/list-ext-properties/test-0158_1_false-valid-free.i [2018-12-09 18:38:58,331 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac2590aa-2ac1-4772-9121-7635dd4ed79b/bin-2019/ukojak/data/7e155d828/7e573e88215c47d08cbf2ad4e5cf11d1/FLAGd15ea2c08 [2018-12-09 18:38:58,782 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:38:58,782 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ac2590aa-2ac1-4772-9121-7635dd4ed79b/sv-benchmarks/c/list-ext-properties/test-0158_1_false-valid-free.i [2018-12-09 18:38:58,787 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac2590aa-2ac1-4772-9121-7635dd4ed79b/bin-2019/ukojak/data/7e155d828/7e573e88215c47d08cbf2ad4e5cf11d1/FLAGd15ea2c08 [2018-12-09 18:38:58,795 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ac2590aa-2ac1-4772-9121-7635dd4ed79b/bin-2019/ukojak/data/7e155d828/7e573e88215c47d08cbf2ad4e5cf11d1 [2018-12-09 18:38:58,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:38:58,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:38:58,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:38:58,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:38:58,800 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:38:58,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:38:58" (1/1) ... [2018-12-09 18:38:58,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e48869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:58, skipping insertion in model container [2018-12-09 18:38:58,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:38:58" (1/1) ... [2018-12-09 18:38:58,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:38:58,824 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:38:58,959 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:38:58,962 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:38:59,019 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:38:59,041 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:38:59,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:59 WrapperNode [2018-12-09 18:38:59,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:38:59,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:38:59,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:38:59,042 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:38:59,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:59" (1/1) ... [2018-12-09 18:38:59,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:59" (1/1) ... [2018-12-09 18:38:59,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:38:59,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:38:59,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:38:59,068 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:38:59,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:59" (1/1) ... [2018-12-09 18:38:59,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:59" (1/1) ... [2018-12-09 18:38:59,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:59" (1/1) ... [2018-12-09 18:38:59,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:59" (1/1) ... [2018-12-09 18:38:59,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:59" (1/1) ... [2018-12-09 18:38:59,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:59" (1/1) ... [2018-12-09 18:38:59,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:59" (1/1) ... [2018-12-09 18:38:59,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:38:59,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:38:59,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:38:59,082 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:38:59,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:38:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ac2590aa-2ac1-4772-9121-7635dd4ed79b/bin-2019/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 [2018-12-09 18:38:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 18:38:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 18:38:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 18:38:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 18:38:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 18:38:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 18:38:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:38:59,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:38:59,277 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:38:59,277 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-09 18:38:59,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:38:59 BoogieIcfgContainer [2018-12-09 18:38:59,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:38:59,278 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 18:38:59,278 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 18:38:59,287 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 18:38:59,288 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:38:59" (1/1) ... [2018-12-09 18:38:59,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:38:59,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:59,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-12-09 18:38:59,318 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-12-09 18:38:59,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-09 18:38:59,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:59,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:59,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:59,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2018-12-09 18:38:59,452 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-12-09 18:38:59,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-09 18:38:59,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:59,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:59,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:59,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-12-09 18:38:59,534 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-12-09 18:38:59,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 18:38:59,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:59,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:59,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:59,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2018-12-09 18:38:59,557 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-12-09 18:38:59,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 18:38:59,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:59,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:59,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:59,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-12-09 18:38:59,646 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-12-09 18:38:59,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 18:38:59,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:59,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:59,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:59,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2018-12-09 18:38:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-12-09 18:38:59,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 18:38:59,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:59,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:59,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-12-09 18:38:59,735 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-12-09 18:38:59,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 18:38:59,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:59,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:59,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:59,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2018-12-09 18:38:59,758 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-12-09 18:38:59,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 18:38:59,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:59,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:59,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-12-09 18:38:59,792 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-12-09 18:38:59,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 18:38:59,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:59,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:59,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2018-12-09 18:38:59,823 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-12-09 18:38:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 18:38:59,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:59,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-12-09 18:38:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-12-09 18:38:59,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 18:38:59,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:59,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:59,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:59,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2018-12-09 18:38:59,974 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-12-09 18:38:59,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 18:38:59,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:59,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:00,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-12-09 18:39:00,086 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-12-09 18:39:00,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 18:39:00,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:00,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:00,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:00,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-12-09 18:39:00,325 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-12-09 18:39:00,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 18:39:00,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:00,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:00,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2018-12-09 18:39:00,342 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-12-09 18:39:00,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 18:39:00,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:00,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:00,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:00,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-12-09 18:39:00,370 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-12-09 18:39:00,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 18:39:00,370 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:00,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:01,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:01,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2018-12-09 18:39:01,005 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-12-09 18:39:01,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 18:39:01,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:01,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:01,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:01,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-12-09 18:39:01,363 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-12-09 18:39:01,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 18:39:01,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:01,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:02,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2018-12-09 18:39:02,949 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-12-09 18:39:02,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 18:39:02,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:03,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:03,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-12-09 18:39:03,338 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-12-09 18:39:03,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 18:39:03,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:03,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:04,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:04,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2018-12-09 18:39:04,517 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2018-12-09 18:39:04,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 18:39:04,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:04,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:04,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:04,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-12-09 18:39:04,992 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-12-09 18:39:04,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 18:39:04,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:39:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:39:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:39:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 18:39:05,029 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2018-12-09 18:39:05,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 06:39:05 ImpRootNode [2018-12-09 18:39:05,054 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 18:39:05,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:39:05,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:39:05,054 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:39:05,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:38:59" (3/4) ... [2018-12-09 18:39:05,057 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 18:39:05,094 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ac2590aa-2ac1-4772-9121-7635dd4ed79b/bin-2019/ukojak/witness.graphml [2018-12-09 18:39:05,094 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:39:05,095 INFO L168 Benchmark]: Toolchain (without parser) took 6297.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 949.5 MB in the beginning and 953.2 MB in the end (delta: -3.6 MB). Peak memory consumption was 152.6 MB. Max. memory is 11.5 GB. [2018-12-09 18:39:05,096 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:39:05,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -127.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 18:39:05,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:39:05,097 INFO L168 Benchmark]: Boogie Preprocessor took 13.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:39:05,098 INFO L168 Benchmark]: RCFGBuilder took 196.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-12-09 18:39:05,098 INFO L168 Benchmark]: CodeCheck took 5775.20 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 953.2 MB in the end (delta: 98.7 MB). Peak memory consumption was 167.4 MB. Max. memory is 11.5 GB. [2018-12-09 18:39:05,099 INFO L168 Benchmark]: Witness Printer took 40.50 ms. Allocated memory is still 1.2 GB. Free memory is still 953.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:39:05,101 INFO L336 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, 38 locations, 19 error locations. UNSAFE Result, 5.7s OverallTime, 22 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 666624 SDtfs, 2283474 SDslu, 664726 SDs, 0 SdLazy, 15184682 SolverSat, 7533962 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1099 GetRequests, 923 SyntacticMatches, 26 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8601 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 5113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 641]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L622-L629] union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] data.p0 = malloc(37U) [L631] EXPR data.p0 [L631] void *ptr = data.p0; [L632] COND FALSE !(__VERIFIER_nondet_int()) [L635] data.str.p2 = 30 [L637] EXPR data.str.p2 [L637] COND FALSE !(25 > data.str.p2) [L640] EXPR data.p0 [L640] free(data.p0) [L640] free(data.p0) [L641] free(ptr) [L641] free(ptr) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 243.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -127.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 196.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * CodeCheck took 5775.20 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 953.2 MB in the end (delta: 98.7 MB). Peak memory consumption was 167.4 MB. Max. memory is 11.5 GB. * Witness Printer took 40.50 ms. Allocated memory is still 1.2 GB. Free memory is still 953.2 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...