./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/array02-alloca_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_1df11c16-557f-4ab2-8d7b-94fecf980732/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1df11c16-557f-4ab2-8d7b-94fecf980732/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1df11c16-557f-4ab2-8d7b-94fecf980732/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1df11c16-557f-4ab2-8d7b-94fecf980732/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1df11c16-557f-4ab2-8d7b-94fecf980732/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1df11c16-557f-4ab2-8d7b-94fecf980732/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 f42aa215a16d5e0efb670a585ba0238849a32fc4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 19:28:56,616 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 19:28:56,617 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 19:28:56,623 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 19:28:56,624 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:28:56,624 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:28:56,625 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:28:56,625 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:28:56,626 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:28:56,627 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:28:56,627 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:28:56,627 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:28:56,628 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:28:56,628 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:28:56,629 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:28:56,629 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:28:56,629 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:28:56,630 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:28:56,631 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:28:56,632 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:28:56,632 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:28:56,633 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:28:56,634 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:28:56,634 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:28:56,634 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:28:56,635 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:28:56,635 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:28:56,636 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:28:56,636 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:28:56,637 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:28:56,637 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:28:56,637 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:28:56,637 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:28:56,637 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:28:56,638 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:28:56,638 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:28:56,638 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1df11c16-557f-4ab2-8d7b-94fecf980732/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-01 19:28:56,645 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:28:56,646 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:28:56,646 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:28:56,646 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:28:56,647 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:28:56,647 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 19:28:56,647 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 19:28:56,647 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 19:28:56,647 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 19:28:56,647 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:28:56,647 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-01 19:28:56,647 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-01 19:28:56,647 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-01 19:28:56,647 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:28:56,647 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 19:28:56,647 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:28:56,648 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 19:28:56,648 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 19:28:56,648 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:28:56,648 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:28:56,648 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 19:28:56,648 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:28:56,648 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:28:56,648 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 19:28:56,648 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:28:56,648 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_1df11c16-557f-4ab2-8d7b-94fecf980732/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 -> f42aa215a16d5e0efb670a585ba0238849a32fc4 [2018-12-01 19:28:56,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:28:56,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:28:56,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:28:56,676 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:28:56,676 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:28:56,677 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1df11c16-557f-4ab2-8d7b-94fecf980732/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i [2018-12-01 19:28:56,713 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1df11c16-557f-4ab2-8d7b-94fecf980732/bin-2019/ukojak/data/9e8fd9b1c/b809232739b34e69a15a98a0ceab3ea6/FLAGa4ab4ba4c [2018-12-01 19:28:57,063 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:28:57,063 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1df11c16-557f-4ab2-8d7b-94fecf980732/sv-benchmarks/c/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i [2018-12-01 19:28:57,069 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1df11c16-557f-4ab2-8d7b-94fecf980732/bin-2019/ukojak/data/9e8fd9b1c/b809232739b34e69a15a98a0ceab3ea6/FLAGa4ab4ba4c [2018-12-01 19:28:57,443 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1df11c16-557f-4ab2-8d7b-94fecf980732/bin-2019/ukojak/data/9e8fd9b1c/b809232739b34e69a15a98a0ceab3ea6 [2018-12-01 19:28:57,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:28:57,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:28:57,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:28:57,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:28:57,449 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:28:57,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:28:57" (1/1) ... [2018-12-01 19:28:57,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e93016c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:57, skipping insertion in model container [2018-12-01 19:28:57,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:28:57" (1/1) ... [2018-12-01 19:28:57,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:28:57,474 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:28:57,609 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:28:57,616 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:28:57,672 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:28:57,692 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:28:57,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:57 WrapperNode [2018-12-01 19:28:57,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:28:57,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:28:57,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:28:57,693 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:28:57,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:57" (1/1) ... [2018-12-01 19:28:57,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:57" (1/1) ... [2018-12-01 19:28:57,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:28:57,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:28:57,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:28:57,717 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:28:57,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:57" (1/1) ... [2018-12-01 19:28:57,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:57" (1/1) ... [2018-12-01 19:28:57,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:57" (1/1) ... [2018-12-01 19:28:57,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:57" (1/1) ... [2018-12-01 19:28:57,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:57" (1/1) ... [2018-12-01 19:28:57,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:57" (1/1) ... [2018-12-01 19:28:57,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:57" (1/1) ... [2018-12-01 19:28:57,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:28:57,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:28:57,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:28:57,731 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:28:57,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:28:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1df11c16-557f-4ab2-8d7b-94fecf980732/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 [2018-12-01 19:28:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 19:28:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 19:28:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 19:28:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 19:28:57,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:28:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:28:57,958 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:28:57,958 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-01 19:28:57,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:28:57 BoogieIcfgContainer [2018-12-01 19:28:57,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:28:57,959 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 19:28:57,959 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 19:28:57,966 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 19:28:57,966 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:28:57" (1/1) ... [2018-12-01 19:28:57,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:28:57,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:57,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2018-12-01 19:28:57,994 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2018-12-01 19:28:57,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 19:28:57,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:58,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:28:58,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:58,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-12-01 19:28:58,111 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-12-01 19:28:58,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 19:28:58,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:28:58,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:58,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2018-12-01 19:28:58,296 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2018-12-01 19:28:58,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 19:28:58,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:58,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:28:58,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:58,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2018-12-01 19:28:58,404 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2018-12-01 19:28:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 19:28:58,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:58,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:28:58,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:58,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2018-12-01 19:28:58,430 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2018-12-01 19:28:58,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 19:28:58,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:58,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:28:58,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:58,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2018-12-01 19:28:58,594 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2018-12-01 19:28:58,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 19:28:58,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:58,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:28:58,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:58,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2018-12-01 19:28:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2018-12-01 19:28:58,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 19:28:58,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:58,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:28:58,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:58,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2018-12-01 19:28:58,664 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2018-12-01 19:28:58,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 19:28:58,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:58,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:28:58,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:58,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2018-12-01 19:28:58,682 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-12-01 19:28:58,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 19:28:58,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:58,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:28:58,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:58,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2018-12-01 19:28:58,704 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2018-12-01 19:28:58,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 19:28:58,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:58,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:28:58,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:58,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2018-12-01 19:28:58,724 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2018-12-01 19:28:58,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 19:28:58,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:28:58,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:58,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-12-01 19:28:58,753 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-12-01 19:28:58,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 19:28:58,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:58,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:28:58,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2018-12-01 19:28:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2018-12-01 19:28:58,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 19:28:58,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:58,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:28:58,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:58,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-12-01 19:28:58,866 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-12-01 19:28:58,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 19:28:58,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:28:58,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:58,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-12-01 19:28:58,892 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-12-01 19:28:58,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 19:28:58,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:58,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:28:58,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:58,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2018-12-01 19:28:58,909 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-12-01 19:28:58,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 19:28:58,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:58,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:28:59,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:59,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-12-01 19:28:59,201 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-12-01 19:28:59,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 19:28:59,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:59,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:28:59,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:28:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2018-12-01 19:28:59,727 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2018-12-01 19:28:59,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 19:28:59,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:28:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:28:59,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 19:29:00,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:29:00,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2018-12-01 19:29:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2018-12-01 19:29:00,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 19:29:00,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:29:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:29:00,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 19:29:00,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:29:00,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2018-12-01 19:29:00,158 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2018-12-01 19:29:00,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 19:29:00,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:29:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:29:00,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 19:29:00,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:29:00,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2018-12-01 19:29:00,294 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2018-12-01 19:29:00,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 19:29:00,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:29:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:29:00,311 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 19:29:00,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:29:00,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-12-01 19:29:00,386 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-12-01 19:29:00,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 19:29:00,387 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2018-12-01 19:29:00,394 INFO L779 CodeCheckObserver]: All specifications hold 13 specifications checked. All of them hold [2018-12-01 19:29:00,465 INFO L583 CodeCheckObserver]: Invariant with dag size 26 [2018-12-01 19:29:00,468 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 19:29:00,469 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 19:29:00,469 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 19:29:00,472 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 19:29:00,472 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 19:29:00,473 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 19:29:00,473 INFO L583 CodeCheckObserver]: Invariant with dag size 23 [2018-12-01 19:29:00,473 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 19:29:00,473 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 19:29:00,474 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 19:29:00,474 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 19:29:00,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:29:00 ImpRootNode [2018-12-01 19:29:00,474 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 19:29:00,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 19:29:00,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 19:29:00,475 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 19:29:00,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:28:57" (3/4) ... [2018-12-01 19:29:00,477 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 19:29:00,483 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-12-01 19:29:00,483 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-01 19:29:00,483 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 19:29:00,483 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 19:29:00,498 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((a == 0 && 4 * N <= unknown-#length-unknown[a]) && 0 <= i) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && 1 == \valid[a] [2018-12-01 19:29:00,499 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((a == 0 && 4 * N <= unknown-#length-unknown[a]) && 0 <= i) && 4 * i + 4 <= unknown-#length-unknown[a]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && 1 == \valid[a] [2018-12-01 19:29:00,512 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1df11c16-557f-4ab2-8d7b-94fecf980732/bin-2019/ukojak/witness.graphml [2018-12-01 19:29:00,512 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 19:29:00,512 INFO L168 Benchmark]: Toolchain (without parser) took 3066.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -102.0 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:29:00,513 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. [2018-12-01 19:29:00,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-12-01 19:29:00,514 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.56 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 19:29:00,514 INFO L168 Benchmark]: Boogie Preprocessor took 13.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:29:00,514 INFO L168 Benchmark]: RCFGBuilder took 227.94 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-01 19:29:00,514 INFO L168 Benchmark]: CodeCheck took 2515.53 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 45.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -4.5 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. [2018-12-01 19:29:00,514 INFO L168 Benchmark]: Witness Printer took 37.18 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. [2018-12-01 19:29:00,516 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, 35 locations, 13 error locations. SAFE Result, 2.4s OverallTime, 22 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4476928 SDtfs, 3825366 SDslu, 5589076 SDs, 0 SdLazy, 29726254 SolverSat, 10467488 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1380 GetRequests, 1238 SyntacticMatches, 64 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2596 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 12072 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 17 PerfectInterpolantSequences, 16/21 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: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - InvariantResult [Line: 546]: Loop Invariant [2018-12-01 19:29:00,517 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 19:29:00,517 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 19:29:00,517 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 19:29:00,517 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 19:29:00,517 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 19:29:00,517 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: ((((a == 0 && 4 * N <= unknown-#length-unknown[a]) && 0 <= i) && 4 * i + 4 <= unknown-#length-unknown[a]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && 1 == \valid[a] - InvariantResult [Line: 545]: Loop Invariant [2018-12-01 19:29:00,518 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 19:29:00,518 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 19:29:00,518 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 19:29:00,518 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: (((a == 0 && 4 * N <= unknown-#length-unknown[a]) && 0 <= i) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]]) && 1 == \valid[a] * 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 245.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.56 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 227.94 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * CodeCheck took 2515.53 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 45.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -4.5 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. * Witness Printer took 37.18 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 #length - 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...