./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy_true-valid-memsafety.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_c3aad0f4-1c4d-4828-bbfd-2cdb995f5c35/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c3aad0f4-1c4d-4828-bbfd-2cdb995f5c35/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c3aad0f4-1c4d-4828-bbfd-2cdb995f5c35/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c3aad0f4-1c4d-4828-bbfd-2cdb995f5c35/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c3aad0f4-1c4d-4828-bbfd-2cdb995f5c35/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c3aad0f4-1c4d-4828-bbfd-2cdb995f5c35/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 86b203c3a804c103d90401bd32cfcff28939b920 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:18:43,310 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:18:43,311 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:18:43,317 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:18:43,318 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:18:43,318 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:18:43,319 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:18:43,319 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:18:43,320 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:18:43,321 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:18:43,321 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:18:43,321 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:18:43,322 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:18:43,322 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:18:43,323 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:18:43,323 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:18:43,324 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:18:43,324 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:18:43,325 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:18:43,326 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:18:43,327 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:18:43,327 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:18:43,328 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:18:43,329 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:18:43,329 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:18:43,329 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:18:43,330 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:18:43,330 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:18:43,331 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:18:43,331 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:18:43,331 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:18:43,332 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:18:43,332 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:18:43,332 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:18:43,332 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:18:43,333 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:18:43,333 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c3aad0f4-1c4d-4828-bbfd-2cdb995f5c35/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-08 22:18:43,340 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:18:43,340 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:18:43,341 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 22:18:43,341 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 22:18:43,341 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:18:43,341 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:18:43,341 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 22:18:43,341 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:18:43,341 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:18:43,341 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:18:43,341 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 22:18:43,341 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 22:18:43,342 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 22:18:43,342 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:18:43,342 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:18:43,342 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 22:18:43,342 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 22:18:43,342 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 22:18:43,342 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:18:43,342 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:18:43,342 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 22:18:43,342 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:18:43,343 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:18:43,343 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 22:18:43,343 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:18:43,343 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_c3aad0f4-1c4d-4828-bbfd-2cdb995f5c35/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 -> 86b203c3a804c103d90401bd32cfcff28939b920 [2018-12-08 22:18:43,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:18:43,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:18:43,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:18:43,369 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:18:43,369 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:18:43,369 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c3aad0f4-1c4d-4828-bbfd-2cdb995f5c35/bin-2019/ukojak/../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy_true-valid-memsafety.i [2018-12-08 22:18:43,408 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3aad0f4-1c4d-4828-bbfd-2cdb995f5c35/bin-2019/ukojak/data/06cf6428e/558496b9bdac49bbb6d8c60de651b2be/FLAGb33cbf59f [2018-12-08 22:18:43,845 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:18:43,845 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c3aad0f4-1c4d-4828-bbfd-2cdb995f5c35/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy_true-valid-memsafety.i [2018-12-08 22:18:43,851 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3aad0f4-1c4d-4828-bbfd-2cdb995f5c35/bin-2019/ukojak/data/06cf6428e/558496b9bdac49bbb6d8c60de651b2be/FLAGb33cbf59f [2018-12-08 22:18:43,860 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c3aad0f4-1c4d-4828-bbfd-2cdb995f5c35/bin-2019/ukojak/data/06cf6428e/558496b9bdac49bbb6d8c60de651b2be [2018-12-08 22:18:43,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:18:43,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:18:43,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:18:43,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:18:43,865 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:18:43,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:18:43" (1/1) ... [2018-12-08 22:18:43,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71920c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:18:43, skipping insertion in model container [2018-12-08 22:18:43,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:18:43" (1/1) ... [2018-12-08 22:18:43,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:18:43,888 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:18:44,027 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:18:44,033 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:18:44,094 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:18:44,124 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:18:44,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:18:44 WrapperNode [2018-12-08 22:18:44,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:18:44,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:18:44,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:18:44,125 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:18:44,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:18:44" (1/1) ... [2018-12-08 22:18:44,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:18:44" (1/1) ... [2018-12-08 22:18:44,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:18:44,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:18:44,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:18:44,151 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:18:44,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:18:44" (1/1) ... [2018-12-08 22:18:44,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:18:44" (1/1) ... [2018-12-08 22:18:44,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:18:44" (1/1) ... [2018-12-08 22:18:44,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:18:44" (1/1) ... [2018-12-08 22:18:44,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:18:44" (1/1) ... [2018-12-08 22:18:44,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:18:44" (1/1) ... [2018-12-08 22:18:44,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:18:44" (1/1) ... [2018-12-08 22:18:44,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:18:44,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:18:44,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:18:44,165 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:18:44,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:18:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3aad0f4-1c4d-4828-bbfd-2cdb995f5c35/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 [2018-12-08 22:18:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 22:18:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 22:18:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 22:18:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 22:18:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:18:44,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:18:44,371 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:18:44,371 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 22:18:44,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:18:44 BoogieIcfgContainer [2018-12-08 22:18:44,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:18:44,372 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 22:18:44,372 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 22:18:44,379 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 22:18:44,379 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:18:44" (1/1) ... [2018-12-08 22:18:44,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:18:44,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:44,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2018-12-08 22:18:44,408 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-12-08 22:18:44,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 22:18:44,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:44,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:18:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:44,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-12-08 22:18:44,550 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-12-08 22:18:44,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 22:18:44,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:18:44,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:44,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2018-12-08 22:18:44,721 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-12-08 22:18:44,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 22:18:44,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:18:44,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:44,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-12-08 22:18:44,742 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-12-08 22:18:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 22:18:44,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:44,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:18:44,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:44,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2018-12-08 22:18:44,904 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-12-08 22:18:44,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 22:18:44,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:44,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:18:44,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:44,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-12-08 22:18:44,925 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-12-08 22:18:44,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 22:18:44,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:44,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:18:44,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:44,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2018-12-08 22:18:44,946 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-12-08 22:18:44,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 22:18:44,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:44,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:18:44,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:44,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-12-08 22:18:44,964 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-12-08 22:18:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 22:18:44,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:44,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:18:44,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:44,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2018-12-08 22:18:44,985 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-12-08 22:18:44,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 22:18:44,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:18:45,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:45,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-12-08 22:18:45,108 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-12-08 22:18:45,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 22:18:45,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:45,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:18:45,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:45,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2018-12-08 22:18:45,175 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-12-08 22:18:45,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 22:18:45,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:45,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:18:45,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:45,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-12-08 22:18:45,874 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-12-08 22:18:45,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-08 22:18:45,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:18:47,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:47,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-12-08 22:18:47,926 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-12-08 22:18:47,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 22:18:47,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:47,960 ERROR L253 erpolLogProxyWrapper]: Interpolant 1 not inductive: (Check returned sat) [2018-12-08 22:18:47,988 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception generated interpolants did not pass sanity check [2018-12-08 22:18:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:48,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:18:48,185 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-12-08 22:18:48,187 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-08 22:18:48,187 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 22:18:48,189 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 22:18:48,195 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 22:18:48,195 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:31 [2018-12-08 22:18:48,322 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2018-12-08 22:18:48,324 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2018-12-08 22:18:48,325 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 22:18:48,328 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 22:18:48,332 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 22:18:48,332 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:46, output treesize:31 [2018-12-08 22:18:48,335 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2018-12-08 22:18:48,336 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 18 [2018-12-08 22:18:48,337 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 22:18:48,339 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 22:18:48,343 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 22:18:48,343 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:23 [2018-12-08 22:18:52,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:19:20,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:19:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-12-08 22:19:20,955 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-12-08 22:19:20,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 22:19:20,955 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2018-12-08 22:19:20,961 INFO L779 CodeCheckObserver]: All specifications hold 13 specifications checked. All of them hold [2018-12-08 22:19:21,016 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:19:21,018 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-08 22:19:21,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] [2018-12-08 22:19:21,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] [2018-12-08 22:19:21,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] [2018-12-08 22:19:21,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] [2018-12-08 22:19:21,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] [2018-12-08 22:19:21,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] [2018-12-08 22:19:21,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] [2018-12-08 22:19:21,022 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,022 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,022 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] [2018-12-08 22:19:21,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] [2018-12-08 22:19:21,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] [2018-12-08 22:19:21,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] [2018-12-08 22:19:21,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] [2018-12-08 22:19:21,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] [2018-12-08 22:19:21,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] [2018-12-08 22:19:21,025 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,026 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,026 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,026 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-08 22:19:21,027 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,027 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,027 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 22:19:21,027 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,028 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,028 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 22:19:21,028 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-08 22:19:21,028 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 22:19:21,028 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,028 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,029 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,029 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 22:19:21,029 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,029 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,030 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,030 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:19:21,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 10:19:21 ImpRootNode [2018-12-08 22:19:21,030 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 22:19:21,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:19:21,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:19:21,031 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:19:21,031 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:18:44" (3/4) ... [2018-12-08 22:19:21,033 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 22:19:21,039 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-12-08 22:19:21,039 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 22:19:21,039 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 22:19:21,055 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\valid == \old(unknown-main_\old_#valid-unknown)[temp := 1] && \old(unknown-main_\old_#valid-unknown)[temp] == 0) && 0 == temp) && 4 == unknown-#length-unknown[temp] [2018-12-08 22:19:21,055 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((unknown-#length-unknown[s] == 4 && s == 0) && \old(unknown-main_\old_#valid-unknown)[s := 1][temp] == 0) && 0 == temp) && \old(unknown-main_\old_#valid-unknown)[s := 1][temp := 1] == \valid) && \old(unknown-main_\old_#valid-unknown)[s] == 0 [2018-12-08 22:19:21,055 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ULTIMATE.start_main_~t~0.base : int, ULTIMATE.start_main_~s~0.base : int :: (\old(unknown-main_\old_#valid-unknown)[ULTIMATE.start_main_~s~0.base := 1][ULTIMATE.start_main_~t~0.base] == 0 && \old(unknown-main_\old_#valid-unknown)[ULTIMATE.start_main_~s~0.base] == 0) && \valid == \old(unknown-main_\old_#valid-unknown)[ULTIMATE.start_main_~s~0.base := 1][ULTIMATE.start_main_~t~0.base := 1][ULTIMATE.start_main_~s~0.base := 0][ULTIMATE.start_main_~t~0.base := 0]) [2018-12-08 22:19:21,065 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c3aad0f4-1c4d-4828-bbfd-2cdb995f5c35/bin-2019/ukojak/witness.graphml [2018-12-08 22:19:21,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:19:21,066 INFO L168 Benchmark]: Toolchain (without parser) took 37203.84 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.8 MB). Free memory was 950.6 MB in the beginning and 941.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 339.5 MB. Max. memory is 11.5 GB. [2018-12-08 22:19:21,066 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:19:21,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-08 22:19:21,067 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:19:21,067 INFO L168 Benchmark]: Boogie Preprocessor took 13.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:19:21,067 INFO L168 Benchmark]: RCFGBuilder took 206.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:19:21,067 INFO L168 Benchmark]: CodeCheck took 36658.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 173.5 MB). Free memory was 1.1 GB in the beginning and 941.9 MB in the end (delta: 168.2 MB). Peak memory consumption was 341.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:19:21,068 INFO L168 Benchmark]: Witness Printer took 34.75 ms. Allocated memory is still 1.4 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:19:21,069 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, 37 locations, 13 error locations. SAFE Result, 36.5s OverallTime, 14 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 24576 SDtfs, 22778 SDslu, 24576 SDs, 0 SdLazy, 120098 SolverSat, 42164 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 749 GetRequests, 589 SyntacticMatches, 4 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8962 ImplicationChecksByTransitivity, 35.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 81 ConstructedInterpolants, 3 QuantifiedInterpolants, 5508 SizeOfPredicates, 8 NumberOfNonLiveVariables, 82 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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: 570]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 574]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 570]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 568]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 572]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 574]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 572]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 568]: Loop Invariant [2018-12-08 22:19:21,070 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] [2018-12-08 22:19:21,070 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] [2018-12-08 22:19:21,070 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] [2018-12-08 22:19:21,070 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] [2018-12-08 22:19:21,070 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] [2018-12-08 22:19:21,070 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] [2018-12-08 22:19:21,070 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] [2018-12-08 22:19:21,071 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,071 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,071 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,071 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] [2018-12-08 22:19:21,071 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] [2018-12-08 22:19:21,071 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] [2018-12-08 22:19:21,071 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] [2018-12-08 22:19:21,071 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] [2018-12-08 22:19:21,071 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] [2018-12-08 22:19:21,072 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] [2018-12-08 22:19:21,072 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,072 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,072 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: (\exists ULTIMATE.start_main_~t~0.base : int, ULTIMATE.start_main_~s~0.base : int :: (\old(unknown-main_\old_#valid-unknown)[ULTIMATE.start_main_~s~0.base := 1][ULTIMATE.start_main_~t~0.base] == 0 && \old(unknown-main_\old_#valid-unknown)[ULTIMATE.start_main_~s~0.base] == 0) && \valid == \old(unknown-main_\old_#valid-unknown)[ULTIMATE.start_main_~s~0.base := 1][ULTIMATE.start_main_~t~0.base := 1][ULTIMATE.start_main_~s~0.base := 0][ULTIMATE.start_main_~t~0.base := 0]) - InvariantResult [Line: 563]: Loop Invariant [2018-12-08 22:19:21,072 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,072 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,072 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 22:19:21,073 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,073 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,073 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((\valid == \old(unknown-main_\old_#valid-unknown)[temp := 1] && \old(unknown-main_\old_#valid-unknown)[temp] == 0) && 0 == temp) && 4 == unknown-#length-unknown[temp] - InvariantResult [Line: 563]: Loop Invariant [2018-12-08 22:19:21,073 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 22:19:21,073 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,073 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,073 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,074 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-08 22:19:21,074 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,074 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-08 22:19:21,074 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: ((((unknown-#length-unknown[s] == 4 && s == 0) && \old(unknown-main_\old_#valid-unknown)[s := 1][temp] == 0) && 0 == temp) && \old(unknown-main_\old_#valid-unknown)[s := 1][temp := 1] == \valid) && \old(unknown-main_\old_#valid-unknown)[s] == 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 * 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 206.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * CodeCheck took 36658.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 173.5 MB). Free memory was 1.1 GB in the beginning and 941.9 MB in the end (delta: 168.2 MB). Peak memory consumption was 341.7 MB. Max. memory is 11.5 GB. * Witness Printer took 34.75 ms. Allocated memory is still 1.4 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~s~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~t~0.base,QUANTIFIED] * 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 - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 #length - 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 - 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 #length - 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...