./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.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_6dce23de-be4e-4b6f-ae97-39d3aa0ebd24/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6dce23de-be4e-4b6f-ae97-39d3aa0ebd24/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6dce23de-be4e-4b6f-ae97-39d3aa0ebd24/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6dce23de-be4e-4b6f-ae97-39d3aa0ebd24/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6dce23de-be4e-4b6f-ae97-39d3aa0ebd24/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6dce23de-be4e-4b6f-ae97-39d3aa0ebd24/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 ed29e343041979fe95e5835578848b9a30317117 ...................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 22:36:00,389 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 22:36:00,390 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 22:36:00,395 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 22:36:00,396 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 22:36:00,396 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 22:36:00,397 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 22:36:00,397 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 22:36:00,398 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 22:36:00,399 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 22:36:00,399 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 22:36:00,399 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 22:36:00,400 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 22:36:00,400 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 22:36:00,401 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 22:36:00,401 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 22:36:00,401 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 22:36:00,402 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 22:36:00,403 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 22:36:00,404 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 22:36:00,404 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 22:36:00,405 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 22:36:00,406 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 22:36:00,406 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 22:36:00,406 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 22:36:00,406 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 22:36:00,407 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 22:36:00,407 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 22:36:00,408 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 22:36:00,408 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 22:36:00,408 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 22:36:00,408 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 22:36:00,409 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 22:36:00,409 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 22:36:00,409 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 22:36:00,409 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 22:36:00,410 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6dce23de-be4e-4b6f-ae97-39d3aa0ebd24/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-02 22:36:00,417 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 22:36:00,417 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 22:36:00,418 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 22:36:00,418 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 22:36:00,418 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 22:36:00,418 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 22:36:00,418 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 22:36:00,419 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 22:36:00,419 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 22:36:00,419 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 22:36:00,419 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 22:36:00,419 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 22:36:00,419 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 22:36:00,420 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 22:36:00,420 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 22:36:00,420 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 22:36:00,420 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 22:36:00,420 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 22:36:00,420 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 22:36:00,420 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 22:36:00,421 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 22:36:00,421 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 22:36:00,421 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 22:36:00,421 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 22:36:00,421 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 22:36:00,421 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_6dce23de-be4e-4b6f-ae97-39d3aa0ebd24/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 -> ed29e343041979fe95e5835578848b9a30317117 [2018-12-02 22:36:00,444 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 22:36:00,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 22:36:00,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 22:36:00,453 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 22:36:00,453 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 22:36:00,453 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6dce23de-be4e-4b6f-ae97-39d3aa0ebd24/bin-2019/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i [2018-12-02 22:36:00,496 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6dce23de-be4e-4b6f-ae97-39d3aa0ebd24/bin-2019/ukojak/data/fc2f73797/e8599a1571aa407cbb9c2e59db77daa5/FLAG2e2b61384 [2018-12-02 22:36:00,827 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 22:36:00,827 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6dce23de-be4e-4b6f-ae97-39d3aa0ebd24/sv-benchmarks/c/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i [2018-12-02 22:36:00,835 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6dce23de-be4e-4b6f-ae97-39d3aa0ebd24/bin-2019/ukojak/data/fc2f73797/e8599a1571aa407cbb9c2e59db77daa5/FLAG2e2b61384 [2018-12-02 22:36:01,236 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6dce23de-be4e-4b6f-ae97-39d3aa0ebd24/bin-2019/ukojak/data/fc2f73797/e8599a1571aa407cbb9c2e59db77daa5 [2018-12-02 22:36:01,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 22:36:01,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 22:36:01,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 22:36:01,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 22:36:01,245 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 22:36:01,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:36:01" (1/1) ... [2018-12-02 22:36:01,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c93e196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:01, skipping insertion in model container [2018-12-02 22:36:01,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:36:01" (1/1) ... [2018-12-02 22:36:01,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 22:36:01,282 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 22:36:01,497 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:36:01,511 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 22:36:01,555 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:36:01,597 INFO L195 MainTranslator]: Completed translation [2018-12-02 22:36:01,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:01 WrapperNode [2018-12-02 22:36:01,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 22:36:01,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 22:36:01,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 22:36:01,598 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 22:36:01,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:01" (1/1) ... [2018-12-02 22:36:01,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:01" (1/1) ... [2018-12-02 22:36:01,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 22:36:01,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 22:36:01,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 22:36:01,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 22:36:01,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:01" (1/1) ... [2018-12-02 22:36:01,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:01" (1/1) ... [2018-12-02 22:36:01,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:01" (1/1) ... [2018-12-02 22:36:01,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:01" (1/1) ... [2018-12-02 22:36:01,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:01" (1/1) ... [2018-12-02 22:36:01,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:01" (1/1) ... [2018-12-02 22:36:01,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:01" (1/1) ... [2018-12-02 22:36:01,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 22:36:01,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 22:36:01,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 22:36:01,649 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 22:36:01,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:36:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6dce23de-be4e-4b6f-ae97-39d3aa0ebd24/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 [2018-12-02 22:36:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 22:36:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 22:36:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 22:36:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 22:36:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 22:36:01,850 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 22:36:01,850 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-02 22:36:01,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:36:01 BoogieIcfgContainer [2018-12-02 22:36:01,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 22:36:01,851 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 22:36:01,851 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 22:36:01,857 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 22:36:01,857 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:36:01" (1/1) ... [2018-12-02 22:36:01,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:36:01,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:36:01,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-12-02 22:36:01,884 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-12-02 22:36:01,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 22:36:01,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:36:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:36:01,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:36:01,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:36:01,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-12-02 22:36:01,994 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-12-02 22:36:01,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 22:36:01,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:36:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:36:02,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:36:02,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:36:02,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-12-02 22:36:02,049 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-12-02 22:36:02,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 22:36:02,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:36:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:36:02,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:36:02,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:36:02,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-12-02 22:36:02,163 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-12-02 22:36:02,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 22:36:02,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:36:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:36:02,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:36:02,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:36:02,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-12-02 22:36:02,359 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-12-02 22:36:02,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 22:36:02,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:36:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:36:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:36:02,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:36:02,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-12-02 22:36:02,757 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-12-02 22:36:02,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 22:36:02,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:36:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:36:02,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:36:03,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:36:03,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-12-02 22:36:03,714 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-12-02 22:36:03,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 22:36:03,714 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-02 22:36:03,720 INFO L779 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2018-12-02 22:36:03,754 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 22:36:03,756 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-02 22:36:03,758 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 22:36:03,759 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 22:36:03,759 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 22:36:03,760 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 22:36:03,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:36:03 ImpRootNode [2018-12-02 22:36:03,760 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 22:36:03,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 22:36:03,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 22:36:03,761 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 22:36:03,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:36:01" (3/4) ... [2018-12-02 22:36:03,763 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 22:36:03,769 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 22:36:03,769 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 22:36:03,769 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 22:36:03,787 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((p == 0 && (!(p == 0) || \old(unknown-main_\old_#valid-unknown) == \valid)) && ((\old(unknown-main_\old_#valid-unknown) == \valid[p := 0] && 0 == \valid[0]) || 0 == p)) && (0 == p || 1 == \valid[p]) [2018-12-02 22:36:03,800 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6dce23de-be4e-4b6f-ae97-39d3aa0ebd24/bin-2019/ukojak/witness.graphml [2018-12-02 22:36:03,800 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 22:36:03,801 INFO L168 Benchmark]: Toolchain (without parser) took 2561.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 950.6 MB in the beginning and 854.2 MB in the end (delta: 96.4 MB). Peak memory consumption was 202.3 MB. Max. memory is 11.5 GB. [2018-12-02 22:36:03,802 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-02 22:36:03,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -128.3 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2018-12-02 22:36:03,802 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.49 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. [2018-12-02 22:36:03,803 INFO L168 Benchmark]: Boogie Preprocessor took 18.06 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. [2018-12-02 22:36:03,803 INFO L168 Benchmark]: RCFGBuilder took 201.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-02 22:36:03,803 INFO L168 Benchmark]: CodeCheck took 1909.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 857.6 MB in the end (delta: 191.3 MB). Peak memory consumption was 191.3 MB. Max. memory is 11.5 GB. [2018-12-02 22:36:03,804 INFO L168 Benchmark]: Witness Printer took 39.96 ms. Allocated memory is still 1.1 GB. Free memory was 857.6 MB in the beginning and 854.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 22:36:03,805 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, 19 locations, 5 error locations. SAFE Result, 1.8s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 96 SDtfs, 104 SDslu, 0 SDs, 0 SdLazy, 840 SolverSat, 408 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 212 GetRequests, 139 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1906 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 1068 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - PositiveResult [Line: 1438]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1437]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1442]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1437]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1438]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1435]: Loop Invariant [2018-12-02 22:36:03,806 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 22:36:03,807 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 22:36:03,807 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 22:36:03,807 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: ((p == 0 && (!(p == 0) || \old(unknown-main_\old_#valid-unknown) == \valid)) && ((\old(unknown-main_\old_#valid-unknown) == \valid[p := 0] && 0 == \valid[0]) || 0 == p)) && (0 == p || 1 == \valid[p]) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 357.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -128.3 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.49 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 18.06 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. * RCFGBuilder took 201.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * CodeCheck took 1909.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 857.6 MB in the end (delta: 191.3 MB). Peak memory consumption was 191.3 MB. Max. memory is 11.5 GB. * Witness Printer took 39.96 ms. Allocated memory is still 1.1 GB. Free memory was 857.6 MB in the beginning and 854.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...