./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/getNumbers3_true-valid-memsafety.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4573615b-1542-4d39-866b-06e6d0a4c5e6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4573615b-1542-4d39-866b-06e6d0a4c5e6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4573615b-1542-4d39-866b-06e6d0a4c5e6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4573615b-1542-4d39-866b-06e6d0a4c5e6/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/getNumbers3_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4573615b-1542-4d39-866b-06e6d0a4c5e6/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4573615b-1542-4d39-866b-06e6d0a4c5e6/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 c8f17cf5334c3a5b079beafc57a2e2bffaea721f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:21:56,843 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:21:56,844 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:21:56,850 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:21:56,850 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:21:56,851 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:21:56,852 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:21:56,853 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:21:56,854 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:21:56,855 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:21:56,856 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:21:56,856 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:21:56,856 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:21:56,857 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:21:56,857 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:21:56,858 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:21:56,859 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:21:56,860 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:21:56,861 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:21:56,862 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:21:56,863 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:21:56,863 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:21:56,865 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:21:56,865 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:21:56,865 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:21:56,865 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:21:56,866 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:21:56,866 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:21:56,867 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:21:56,867 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:21:56,867 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:21:56,868 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:21:56,868 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:21:56,868 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:21:56,868 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:21:56,869 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:21:56,869 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4573615b-1542-4d39-866b-06e6d0a4c5e6/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-11-23 08:21:56,877 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:21:56,877 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:21:56,878 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:21:56,878 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:21:56,878 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:21:56,878 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:21:56,878 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 08:21:56,878 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:21:56,878 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:21:56,878 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:21:56,878 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-23 08:21:56,879 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-23 08:21:56,879 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-23 08:21:56,879 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:21:56,879 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:21:56,879 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:21:56,879 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 08:21:56,879 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 08:21:56,879 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:21:56,879 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:21:56,879 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 08:21:56,880 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:21:56,880 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:21:56,880 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 08:21:56,880 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:21:56,880 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_4573615b-1542-4d39-866b-06e6d0a4c5e6/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 -> c8f17cf5334c3a5b079beafc57a2e2bffaea721f [2018-11-23 08:21:56,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:21:56,913 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:21:56,915 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:21:56,917 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:21:56,917 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:21:56,917 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4573615b-1542-4d39-866b-06e6d0a4c5e6/bin-2019/ukojak/../../sv-benchmarks/c/memsafety-ext3/getNumbers3_true-valid-memsafety.c [2018-11-23 08:21:56,952 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4573615b-1542-4d39-866b-06e6d0a4c5e6/bin-2019/ukojak/data/bce2340be/13295d344bc04709b2cdfc29e08f7529/FLAG8fcb34699 [2018-11-23 08:21:57,344 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:21:57,345 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4573615b-1542-4d39-866b-06e6d0a4c5e6/sv-benchmarks/c/memsafety-ext3/getNumbers3_true-valid-memsafety.c [2018-11-23 08:21:57,348 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4573615b-1542-4d39-866b-06e6d0a4c5e6/bin-2019/ukojak/data/bce2340be/13295d344bc04709b2cdfc29e08f7529/FLAG8fcb34699 [2018-11-23 08:21:57,357 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4573615b-1542-4d39-866b-06e6d0a4c5e6/bin-2019/ukojak/data/bce2340be/13295d344bc04709b2cdfc29e08f7529 [2018-11-23 08:21:57,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:21:57,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:21:57,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:21:57,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:21:57,363 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:21:57,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:21:57" (1/1) ... [2018-11-23 08:21:57,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa4fa66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:57, skipping insertion in model container [2018-11-23 08:21:57,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:21:57" (1/1) ... [2018-11-23 08:21:57,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:21:57,383 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:21:57,493 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:21:57,501 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:21:57,509 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:21:57,521 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:21:57,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:57 WrapperNode [2018-11-23 08:21:57,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:21:57,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:21:57,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:21:57,522 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:21:57,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:57" (1/1) ... [2018-11-23 08:21:57,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:57" (1/1) ... [2018-11-23 08:21:57,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:21:57,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:21:57,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:21:57,546 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:21:57,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:57" (1/1) ... [2018-11-23 08:21:57,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:57" (1/1) ... [2018-11-23 08:21:57,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:57" (1/1) ... [2018-11-23 08:21:57,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:57" (1/1) ... [2018-11-23 08:21:57,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:57" (1/1) ... [2018-11-23 08:21:57,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:57" (1/1) ... [2018-11-23 08:21:57,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:57" (1/1) ... [2018-11-23 08:21:57,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:21:57,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:21:57,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:21:57,600 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:21:57,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4573615b-1542-4d39-866b-06e6d0a4c5e6/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 [2018-11-23 08:21:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 08:21:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:21:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:21:57,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:21:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 08:21:57,823 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:21:57,823 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 08:21:57,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:57 BoogieIcfgContainer [2018-11-23 08:21:57,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:21:57,824 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 08:21:57,824 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 08:21:57,835 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 08:21:57,835 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:57" (1/1) ... [2018-11-23 08:21:57,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:21:57,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:21:57,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-11-23 08:21:57,874 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-11-23 08:21:57,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-23 08:21:57,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:21:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:21:57,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:21:58,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:21:58,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-11-23 08:21:58,041 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-11-23 08:21:58,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-23 08:21:58,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:21:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:21:58,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:21:58,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:21:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-11-23 08:21:58,166 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-11-23 08:21:58,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-23 08:21:58,166 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:21:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:21:58,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:21:58,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:21:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-23 08:21:58,492 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-23 08:21:58,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 08:21:58,492 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:21:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:21:58,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:21:58,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:21:58,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2018-11-23 08:21:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2018-11-23 08:21:58,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 08:21:58,609 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:21:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:21:58,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:21:58,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:21:58,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-11-23 08:21:58,723 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-11-23 08:21:58,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 08:21:58,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:21:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:21:58,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:21:59,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:21:59,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2018-11-23 08:21:59,199 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-11-23 08:21:59,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 08:21:59,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:21:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:21:59,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 08:21:59,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:21:59,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-11-23 08:21:59,346 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-11-23 08:21:59,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 08:21:59,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:21:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:21:59,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:21:59,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:21:59,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2018-11-23 08:21:59,543 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2018-11-23 08:21:59,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 08:21:59,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:21:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:21:59,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 08:21:59,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:21:59,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2018-11-23 08:21:59,741 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2018-11-23 08:21:59,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 08:21:59,741 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:21:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:21:59,783 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:21:59,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:21:59,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2018-11-23 08:21:59,957 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2018-11-23 08:21:59,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 08:21:59,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:21:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:00,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 08:22:00,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:22:00,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2018-11-23 08:22:00,241 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2018-11-23 08:22:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 08:22:00,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:22:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:00,279 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:22:00,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:22:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2018-11-23 08:22:00,531 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2018-11-23 08:22:00,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 08:22:00,531 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:22:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:00,572 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 08:22:00,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:22:00,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2018-11-23 08:22:00,707 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2018-11-23 08:22:00,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 08:22:00,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:22:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:00,764 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:22:01,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:22:01,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 28 states and 52 transitions. [2018-11-23 08:22:01,057 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 52 transitions. [2018-11-23 08:22:01,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 08:22:01,058 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:22:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:01,127 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 08:22:01,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:22:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 29 states and 53 transitions. [2018-11-23 08:22:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 53 transitions. [2018-11-23 08:22:01,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 08:22:01,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:22:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:01,373 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:22:01,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:22:01,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2018-11-23 08:22:01,722 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2018-11-23 08:22:01,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 08:22:01,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:22:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:01,773 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 08:22:01,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:22:01,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2018-11-23 08:22:01,951 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2018-11-23 08:22:01,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 08:22:01,951 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:22:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:22:02,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:22:02,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2018-11-23 08:22:02,293 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2018-11-23 08:22:02,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 08:22:02,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:22:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:02,340 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 08:22:02,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:22:02,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 67 transitions. [2018-11-23 08:22:02,521 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 67 transitions. [2018-11-23 08:22:02,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 08:22:02,521 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:22:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:22:02,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:22:02,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 72 transitions. [2018-11-23 08:22:02,982 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2018-11-23 08:22:02,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 08:22:02,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:22:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-23 08:22:03,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:22:03,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2018-11-23 08:22:03,259 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2018-11-23 08:22:03,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 08:22:03,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:22:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:03,331 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:22:03,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:22:03,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2018-11-23 08:22:03,687 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2018-11-23 08:22:03,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 08:22:03,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:22:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:03,732 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-23 08:22:03,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:22:03,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 27 states and 26 transitions. [2018-11-23 08:22:03,922 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-11-23 08:22:03,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 08:22:03,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:22:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:04,079 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-23 08:22:06,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:22:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 26 states and 25 transitions. [2018-11-23 08:22:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2018-11-23 08:22:06,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 08:22:06,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:22:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:06,783 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-23 08:22:09,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:22:09,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 25 states and 24 transitions. [2018-11-23 08:22:09,059 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-11-23 08:22:09,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:22:09,060 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2018-11-23 08:22:09,065 INFO L775 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2018-11-23 08:22:09,211 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 08:22:09,214 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 08:22:09,217 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 08:22:09,218 INFO L579 CodeCheckObserver]: Invariant with dag size 27 [2018-11-23 08:22:09,219 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 08:22:09,219 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 08:22:09,219 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 08:22:09,220 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 08:22:09,220 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 08:22:09,220 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 08:22:09,221 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 08:22:09,221 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 08:22:09,221 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 08:22:09,222 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 08:22:09,223 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 08:22:09,223 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 08:22:09,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:22:09 ImpRootNode [2018-11-23 08:22:09,223 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 08:22:09,223 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:22:09,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:22:09,224 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:22:09,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:57" (3/4) ... [2018-11-23 08:22:09,226 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:22:09,233 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 08:22:09,233 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 08:22:09,233 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:22:09,253 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((array <= 0 && unknown-#length-unknown[array] == 40) && 4 <= array + 4 * i) && 1 == \valid[array]) && \old(unknown-main_\old_#valid-unknown) == \valid) && i <= 1) || (((((array <= 0 && unknown-#length-unknown[array] == 40) && 0 <= array) && i == 0) && 1 == \valid[array]) && \old(unknown-main_\old_#valid-unknown) == \valid)) || (((((array <= 0 && unknown-#length-unknown[array] == 40) && 0 <= array) && 1 == \valid[array]) && \old(unknown-main_\old_#valid-unknown) == \valid) && 1 < i) [2018-11-23 08:22:09,254 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-11-23 08:22:09,262 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4573615b-1542-4d39-866b-06e6d0a4c5e6/bin-2019/ukojak/witness.graphml [2018-11-23 08:22:09,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:22:09,262 INFO L168 Benchmark]: Toolchain (without parser) took 11903.00 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 423.6 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 276.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:22:09,263 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:22:09,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.91 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:22:09,263 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.61 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:22:09,264 INFO L168 Benchmark]: Boogie Preprocessor took 53.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:22:09,264 INFO L168 Benchmark]: RCFGBuilder took 223.29 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:22:09,264 INFO L168 Benchmark]: CodeCheck took 11399.35 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 293.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 180.5 kB). Peak memory consumption was 293.3 MB. Max. memory is 11.5 GB. [2018-11-23 08:22:09,265 INFO L168 Benchmark]: Witness Printer took 38.31 ms. Allocated memory is still 1.5 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:22:09,266 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, 17 locations, 5 error locations. SAFE Result, 11.2s OverallTime, 26 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 50331648 SDtfs, 81942272 SDslu, 0 SDs, 0 SdLazy, 516795038 SolverSat, 170262178 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2569 GetRequests, 2109 SyntacticMatches, 192 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31390 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 302 NumberOfCodeBlocks, 302 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 277 ConstructedInterpolants, 0 QuantifiedInterpolants, 29307 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 6 PerfectInterpolantSequences, 490/822 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: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 6]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 6]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant [2018-11-23 08:22:09,267 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 08:22:09,267 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 5]: Loop Invariant [2018-11-23 08:22:09,268 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 08:22:09,268 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 08:22:09,268 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 08:22:09,268 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 08:22:09,268 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 08:22:09,268 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 08:22:09,269 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 08:22:09,269 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 08:22:09,269 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 08:22:09,269 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 08:22:09,269 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 08:22:09,269 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: ((((((array <= 0 && unknown-#length-unknown[array] == 40) && 4 <= array + 4 * i) && 1 == \valid[array]) && \old(unknown-main_\old_#valid-unknown) == \valid) && i <= 1) || (((((array <= 0 && unknown-#length-unknown[array] == 40) && 0 <= array) && i == 0) && 1 == \valid[array]) && \old(unknown-main_\old_#valid-unknown) == \valid)) || (((((array <= 0 && unknown-#length-unknown[array] == 40) && 0 <= array) && 1 == \valid[array]) && \old(unknown-main_\old_#valid-unknown) == \valid) && 1 < i) * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 160.91 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.61 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 223.29 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * CodeCheck took 11399.35 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 293.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 180.5 kB). Peak memory consumption was 293.3 MB. Max. memory is 11.5 GB. * Witness Printer took 38.31 ms. Allocated memory is still 1.5 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 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 #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 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 #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 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...