./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/array03-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_c212cd27-014d-4fdb-b019-5d0c4f0d6017/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c212cd27-014d-4fdb-b019-5d0c4f0d6017/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c212cd27-014d-4fdb-b019-5d0c4f0d6017/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c212cd27-014d-4fdb-b019-5d0c4f0d6017/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/array03-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c212cd27-014d-4fdb-b019-5d0c4f0d6017/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c212cd27-014d-4fdb-b019-5d0c4f0d6017/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 dc8491de7bb3fbae410adb8e5711b9887b8c9c8f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:32:38,865 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 14:32:38,866 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 14:32:38,872 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 14:32:38,872 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 14:32:38,872 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 14:32:38,873 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 14:32:38,874 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 14:32:38,875 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 14:32:38,875 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 14:32:38,876 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 14:32:38,876 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 14:32:38,876 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 14:32:38,877 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 14:32:38,877 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 14:32:38,878 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 14:32:38,878 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 14:32:38,879 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 14:32:38,880 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 14:32:38,881 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 14:32:38,881 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 14:32:38,882 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 14:32:38,883 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 14:32:38,883 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 14:32:38,883 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 14:32:38,884 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 14:32:38,884 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 14:32:38,885 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 14:32:38,885 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 14:32:38,885 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 14:32:38,886 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 14:32:38,886 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 14:32:38,886 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 14:32:38,886 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 14:32:38,887 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 14:32:38,887 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 14:32:38,887 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c212cd27-014d-4fdb-b019-5d0c4f0d6017/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-01 14:32:38,894 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 14:32:38,894 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 14:32:38,895 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 14:32:38,895 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 14:32:38,895 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 14:32:38,895 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 14:32:38,896 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 14:32:38,896 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 14:32:38,896 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 14:32:38,896 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 14:32:38,896 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-01 14:32:38,896 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-01 14:32:38,896 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-01 14:32:38,896 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 14:32:38,897 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 14:32:38,897 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 14:32:38,897 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 14:32:38,897 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 14:32:38,897 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 14:32:38,897 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 14:32:38,897 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 14:32:38,897 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 14:32:38,898 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 14:32:38,898 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 14:32:38,898 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 14:32:38,898 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_c212cd27-014d-4fdb-b019-5d0c4f0d6017/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 -> dc8491de7bb3fbae410adb8e5711b9887b8c9c8f [2018-12-01 14:32:38,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 14:32:38,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 14:32:38,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 14:32:38,923 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 14:32:38,924 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 14:32:38,924 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c212cd27-014d-4fdb-b019-5d0c4f0d6017/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/array03-alloca_true-valid-memsafety_true-termination.i [2018-12-01 14:32:38,957 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c212cd27-014d-4fdb-b019-5d0c4f0d6017/bin-2019/ukojak/data/9af72b07f/4cce4656ff5c4718b6948e3cf1bcf620/FLAG859e4a762 [2018-12-01 14:32:39,284 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 14:32:39,285 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c212cd27-014d-4fdb-b019-5d0c4f0d6017/sv-benchmarks/c/array-memsafety/array03-alloca_true-valid-memsafety_true-termination.i [2018-12-01 14:32:39,292 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c212cd27-014d-4fdb-b019-5d0c4f0d6017/bin-2019/ukojak/data/9af72b07f/4cce4656ff5c4718b6948e3cf1bcf620/FLAG859e4a762 [2018-12-01 14:32:39,303 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c212cd27-014d-4fdb-b019-5d0c4f0d6017/bin-2019/ukojak/data/9af72b07f/4cce4656ff5c4718b6948e3cf1bcf620 [2018-12-01 14:32:39,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 14:32:39,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 14:32:39,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 14:32:39,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 14:32:39,308 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 14:32:39,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:32:39" (1/1) ... [2018-12-01 14:32:39,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c26117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:32:39, skipping insertion in model container [2018-12-01 14:32:39,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:32:39" (1/1) ... [2018-12-01 14:32:39,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 14:32:39,340 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 14:32:39,513 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:32:39,519 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 14:32:39,571 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 14:32:39,590 INFO L195 MainTranslator]: Completed translation [2018-12-01 14:32:39,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:32:39 WrapperNode [2018-12-01 14:32:39,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 14:32:39,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 14:32:39,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 14:32:39,591 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 14:32:39,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:32:39" (1/1) ... [2018-12-01 14:32:39,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:32:39" (1/1) ... [2018-12-01 14:32:39,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 14:32:39,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 14:32:39,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 14:32:39,616 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 14:32:39,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:32:39" (1/1) ... [2018-12-01 14:32:39,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:32:39" (1/1) ... [2018-12-01 14:32:39,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:32:39" (1/1) ... [2018-12-01 14:32:39,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:32:39" (1/1) ... [2018-12-01 14:32:39,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:32:39" (1/1) ... [2018-12-01 14:32:39,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:32:39" (1/1) ... [2018-12-01 14:32:39,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:32:39" (1/1) ... [2018-12-01 14:32:39,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 14:32:39,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 14:32:39,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 14:32:39,630 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 14:32:39,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:32:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c212cd27-014d-4fdb-b019-5d0c4f0d6017/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 14:32:39,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 14:32:39,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 14:32:39,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 14:32:39,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 14:32:39,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 14:32:39,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 14:32:39,891 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 14:32:39,891 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-01 14:32:39,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:32:39 BoogieIcfgContainer [2018-12-01 14:32:39,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 14:32:39,892 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 14:32:39,892 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 14:32:39,901 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 14:32:39,901 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:32:39" (1/1) ... [2018-12-01 14:32:39,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 14:32:39,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:39,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2018-12-01 14:32:39,930 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2018-12-01 14:32:39,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 14:32:39,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:40,017 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 14:32:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:40,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2018-12-01 14:32:40,043 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-12-01 14:32:40,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 14:32:40,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:40,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 14:32:40,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:40,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2018-12-01 14:32:40,141 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2018-12-01 14:32:40,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 14:32:40,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:40,184 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 14:32:40,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:40,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2018-12-01 14:32:40,336 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-12-01 14:32:40,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 14:32:40,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:40,354 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 14:32:40,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:40,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2018-12-01 14:32:40,367 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2018-12-01 14:32:40,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 14:32:40,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:40,397 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 14:32:40,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:40,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2018-12-01 14:32:40,506 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2018-12-01 14:32:40,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 14:32:40,506 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:40,516 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 14:32:40,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2018-12-01 14:32:40,522 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2018-12-01 14:32:40,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 14:32:40,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:40,535 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 14:32:40,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:40,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2018-12-01 14:32:40,542 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2018-12-01 14:32:40,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 14:32:40,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:40,554 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 14:32:40,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:40,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2018-12-01 14:32:40,562 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2018-12-01 14:32:40,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 14:32:40,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:40,573 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 14:32:40,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:40,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2018-12-01 14:32:40,585 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-12-01 14:32:40,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 14:32:40,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:40,649 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 14:32:40,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:40,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2018-12-01 14:32:40,985 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2018-12-01 14:32:40,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 14:32:40,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:40,999 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 14:32:41,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:41,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2018-12-01 14:32:41,010 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2018-12-01 14:32:41,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 14:32:41,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:41,023 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 14:32:41,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:41,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2018-12-01 14:32:41,067 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2018-12-01 14:32:41,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 14:32:41,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:41,145 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 14:32:42,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:42,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2018-12-01 14:32:42,126 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2018-12-01 14:32:42,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 14:32:42,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:42,294 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 14:32:45,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:45,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2018-12-01 14:32:45,402 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2018-12-01 14:32:45,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 14:32:45,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:45,419 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 14:32:45,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:45,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2018-12-01 14:32:45,671 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2018-12-01 14:32:45,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 14:32:45,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:45,701 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 14:32:45,707 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 14:32:45,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:45,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2018-12-01 14:32:45,715 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2018-12-01 14:32:45,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 14:32:45,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:45,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 14:32:45,738 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 14:32:45,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:45,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-12-01 14:32:45,751 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-12-01 14:32:45,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 14:32:45,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:45,761 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 14:32:46,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:46,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2018-12-01 14:32:46,168 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2018-12-01 14:32:46,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 14:32:46,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:46,182 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 14:32:46,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:46,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2018-12-01 14:32:46,206 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2018-12-01 14:32:46,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 14:32:46,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:46,220 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 14:32:46,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:46,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2018-12-01 14:32:46,727 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2018-12-01 14:32:46,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 14:32:46,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:46,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 14:32:46,739 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 14:32:46,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2018-12-01 14:32:46,754 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2018-12-01 14:32:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 14:32:46,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:46,767 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 14:32:46,793 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 14:32:46,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:46,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2018-12-01 14:32:46,811 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2018-12-01 14:32:46,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 14:32:46,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:46,829 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 14:32:48,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:48,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2018-12-01 14:32:48,218 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2018-12-01 14:32:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 14:32:48,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:48,233 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 14:32:48,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:32:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2018-12-01 14:32:48,451 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2018-12-01 14:32:48,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 14:32:48,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:32:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:32:48,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 14:32:48,488 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-01 14:32:48,490 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 14:32:48,497 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 14:32:48,498 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2018-12-01 14:32:49,097 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 14:32:52,732 WARN L180 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2018-12-01 14:32:55,176 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-01 14:32:56,306 WARN L180 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-12-01 14:32:56,837 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-12-01 14:32:57,576 WARN L180 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2018-12-01 14:32:58,200 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-01 14:33:01,530 WARN L180 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2018-12-01 14:33:02,509 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-12-01 14:33:05,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:33:05,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2018-12-01 14:33:05,392 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2018-12-01 14:33:05,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 14:33:05,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:33:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:33:05,403 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 14:33:05,417 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2018-12-01 14:33:05,417 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 14:33:05,421 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 14:33:05,422 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:21 [2018-12-01 14:33:05,930 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 14:33:14,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:33:14,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 63 states and 106 transitions. [2018-12-01 14:33:14,771 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 106 transitions. [2018-12-01 14:33:14,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 14:33:14,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:33:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:33:14,784 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 14:33:14,787 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-01 14:33:14,787 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 14:33:14,792 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-01 14:33:14,792 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2018-12-01 14:33:15,139 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 14:33:15,763 WARN L180 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2018-12-01 14:33:17,798 WARN L180 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2018-12-01 14:33:19,745 WARN L180 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-12-01 14:33:21,962 WARN L180 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-12-01 14:33:23,437 WARN L180 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-12-01 14:33:23,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:33:23,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 68 states and 111 transitions. [2018-12-01 14:33:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 111 transitions. [2018-12-01 14:33:23,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 14:33:23,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 14:33:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 14:33:23,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 14:33:23,966 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2018-12-01 14:33:23,966 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 14:33:23,973 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 14:33:23,973 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:21 [2018-12-01 14:33:24,376 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 14:33:27,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:33:27,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-12-01 14:33:27,879 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-12-01 14:33:27,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 14:33:27,879 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2018-12-01 14:33:27,887 INFO L779 CodeCheckObserver]: All specifications hold 15 specifications checked. All of them hold [2018-12-01 14:33:28,096 INFO L583 CodeCheckObserver]: Invariant with dag size 35 [2018-12-01 14:33:28,099 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] [2018-12-01 14:33:28,099 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] [2018-12-01 14:33:28,100 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] [2018-12-01 14:33:28,100 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] [2018-12-01 14:33:28,101 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:33:28,101 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,102 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,102 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,102 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:33:28,102 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,102 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,102 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,106 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] [2018-12-01 14:33:28,106 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] [2018-12-01 14:33:28,107 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] [2018-12-01 14:33:28,107 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] [2018-12-01 14:33:28,107 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:33:28,107 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,107 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,108 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,108 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:33:28,108 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,108 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,108 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:33:28 ImpRootNode [2018-12-01 14:33:28,109 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 14:33:28,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 14:33:28,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 14:33:28,110 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 14:33:28,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:32:39" (3/4) ... [2018-12-01 14:33:28,113 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 14:33:28,119 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-12-01 14:33:28,119 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-01 14:33:28,119 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 14:33:28,119 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 14:33:28,135 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\exists ULTIMATE.start_main_~array_size~0 : int :: N <= ULTIMATE.start_main_~array_size~0 && 4 * ULTIMATE.start_main_~array_size~0 == unknown-#length-unknown[a]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && !(0 == __builtin_alloca (array_size * sizeof(int)))) && 1 <= i) && \old(unknown-main_\old_#valid-unknown)[0] == 0) && 0 == a) && \valid == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := 1]) && 1 == \valid[a]) || (((((((((\exists ULTIMATE.start_main_~array_size~0 : int :: N <= ULTIMATE.start_main_~array_size~0 && 4 * ULTIMATE.start_main_~array_size~0 == unknown-#length-unknown[a]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && !(0 == __builtin_alloca (array_size * sizeof(int)))) && \old(unknown-main_\old_#valid-unknown)[0] == 0) && 0 == a) && \valid == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := 1]) && 1 <= N) && i == 0) && 1 == \valid[a]) [2018-12-01 14:33:28,148 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c212cd27-014d-4fdb-b019-5d0c4f0d6017/bin-2019/ukojak/witness.graphml [2018-12-01 14:33:28,148 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 14:33:28,148 INFO L168 Benchmark]: Toolchain (without parser) took 48843.26 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 344.5 MB). Free memory was 954.9 MB in the beginning and 1.2 GB in the end (delta: -256.8 MB). Peak memory consumption was 87.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:33:28,149 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:33:28,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:33:28,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.56 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 14:33:28,149 INFO L168 Benchmark]: Boogie Preprocessor took 14.30 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 14:33:28,149 INFO L168 Benchmark]: RCFGBuilder took 261.74 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: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:33:28,150 INFO L168 Benchmark]: CodeCheck took 48216.93 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 230.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -155.9 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. [2018-12-01 14:33:28,150 INFO L168 Benchmark]: Witness Printer took 38.37 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:33:28,151 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 38 locations, 15 error locations. SAFE Result, 47.9s OverallTime, 29 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 716701696 SDtfs, 580945880 SDslu, 445513728 SDs, 0 SdLazy, -1233406872 SolverSat, 1315528824 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2498 GetRequests, 2138 SyntacticMatches, 94 SemanticMatches, 266 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31432 ImplicationChecksByTransitivity, 45.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 235 ConstructedInterpolants, 36 QuantifiedInterpolants, 39943 SizeOfPredicates, 24 NumberOfNonLiveVariables, 700 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 28 InterpolantComputations, 21 PerfectInterpolantSequences, 52/61 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: 555]: 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: 553]: 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: 558]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 553]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: 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: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 544]: Loop Invariant [2018-12-01 14:33:28,152 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] [2018-12-01 14:33:28,152 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] [2018-12-01 14:33:28,152 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] [2018-12-01 14:33:28,153 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] [2018-12-01 14:33:28,153 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:33:28,153 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,153 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,153 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,153 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:33:28,153 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,154 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,154 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,154 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] [2018-12-01 14:33:28,154 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] [2018-12-01 14:33:28,154 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] [2018-12-01 14:33:28,154 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] [2018-12-01 14:33:28,155 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:33:28,155 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,155 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,155 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,155 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:33:28,155 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,155 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:33:28,155 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: ((((((((\exists ULTIMATE.start_main_~array_size~0 : int :: N <= ULTIMATE.start_main_~array_size~0 && 4 * ULTIMATE.start_main_~array_size~0 == unknown-#length-unknown[a]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && !(0 == __builtin_alloca (array_size * sizeof(int)))) && 1 <= i) && \old(unknown-main_\old_#valid-unknown)[0] == 0) && 0 == a) && \valid == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := 1]) && 1 == \valid[a]) || (((((((((\exists ULTIMATE.start_main_~array_size~0 : int :: N <= ULTIMATE.start_main_~array_size~0 && 4 * ULTIMATE.start_main_~array_size~0 == unknown-#length-unknown[a]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && !(0 == __builtin_alloca (array_size * sizeof(int)))) && \old(unknown-main_\old_#valid-unknown)[0] == 0) && 0 == a) && \valid == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int)) := 1]) && 1 <= N) && i == 0) && 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.56 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. * Boogie Preprocessor took 14.30 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 261.74 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: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * CodeCheck took 48216.93 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 230.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -155.9 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. * Witness Printer took 38.37 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~array_size~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...