./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/getNumbers1_true-valid-memsafety.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1f43f415-2e6e-4f78-b215-2229a0b88bd1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1f43f415-2e6e-4f78-b215-2229a0b88bd1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1f43f415-2e6e-4f78-b215-2229a0b88bd1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1f43f415-2e6e-4f78-b215-2229a0b88bd1/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/getNumbers1_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1f43f415-2e6e-4f78-b215-2229a0b88bd1/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1f43f415-2e6e-4f78-b215-2229a0b88bd1/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 60fa12f4a8e344f82de5faf31b8f2cbfbaaacd93 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:52:51,127 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:52:51,128 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:52:51,135 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:52:51,135 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:52:51,136 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:52:51,136 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:52:51,137 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:52:51,138 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:52:51,139 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:52:51,140 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:52:51,140 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:52:51,140 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:52:51,141 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:52:51,142 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:52:51,142 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:52:51,143 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:52:51,144 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:52:51,145 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:52:51,146 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:52:51,147 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:52:51,148 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:52:51,149 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:52:51,149 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:52:51,149 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:52:51,150 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:52:51,151 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:52:51,151 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:52:51,152 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:52:51,152 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:52:51,153 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:52:51,153 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:52:51,153 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:52:51,153 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:52:51,154 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:52:51,154 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:52:51,155 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1f43f415-2e6e-4f78-b215-2229a0b88bd1/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-11-10 10:52:51,163 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:52:51,163 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:52:51,164 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:52:51,164 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:52:51,165 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:52:51,165 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:52:51,165 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 10:52:51,165 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:52:51,165 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:52:51,165 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:52:51,165 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-10 10:52:51,166 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-10 10:52:51,166 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-10 10:52:51,166 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:52:51,166 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:52:51,166 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:52:51,166 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:52:51,166 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:52:51,166 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:52:51,167 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:52:51,167 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:52:51,167 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:52:51,167 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:52:51,167 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:52:51,167 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_1f43f415-2e6e-4f78-b215-2229a0b88bd1/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 -> 60fa12f4a8e344f82de5faf31b8f2cbfbaaacd93 [2018-11-10 10:52:51,190 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:52:51,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:52:51,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:52:51,202 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:52:51,202 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:52:51,202 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1f43f415-2e6e-4f78-b215-2229a0b88bd1/bin-2019/ukojak/../../sv-benchmarks/c/memsafety-ext3/getNumbers1_true-valid-memsafety.c [2018-11-10 10:52:51,238 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f43f415-2e6e-4f78-b215-2229a0b88bd1/bin-2019/ukojak/data/da5ab9576/5e74c3ec3d1f451ca09a5b984a69d61b/FLAG3d1a49ec7 [2018-11-10 10:52:51,625 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:52:51,626 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1f43f415-2e6e-4f78-b215-2229a0b88bd1/sv-benchmarks/c/memsafety-ext3/getNumbers1_true-valid-memsafety.c [2018-11-10 10:52:51,629 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f43f415-2e6e-4f78-b215-2229a0b88bd1/bin-2019/ukojak/data/da5ab9576/5e74c3ec3d1f451ca09a5b984a69d61b/FLAG3d1a49ec7 [2018-11-10 10:52:51,638 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1f43f415-2e6e-4f78-b215-2229a0b88bd1/bin-2019/ukojak/data/da5ab9576/5e74c3ec3d1f451ca09a5b984a69d61b [2018-11-10 10:52:51,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:52:51,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:52:51,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:52:51,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:52:51,644 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:52:51,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:52:51" (1/1) ... [2018-11-10 10:52:51,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c7d5e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:51, skipping insertion in model container [2018-11-10 10:52:51,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:52:51" (1/1) ... [2018-11-10 10:52:51,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:52:51,664 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:52:51,762 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:52:51,768 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:52:51,779 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:52:51,791 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:52:51,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:51 WrapperNode [2018-11-10 10:52:51,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:52:51,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:52:51,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:52:51,792 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:52:51,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:51" (1/1) ... [2018-11-10 10:52:51,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:51" (1/1) ... [2018-11-10 10:52:51,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:52:51,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:52:51,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:52:51,819 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:52:51,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:51" (1/1) ... [2018-11-10 10:52:51,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:51" (1/1) ... [2018-11-10 10:52:51,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:51" (1/1) ... [2018-11-10 10:52:51,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:51" (1/1) ... [2018-11-10 10:52:51,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:51" (1/1) ... [2018-11-10 10:52:51,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:51" (1/1) ... [2018-11-10 10:52:51,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:51" (1/1) ... [2018-11-10 10:52:51,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:52:51,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:52:51,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:52:51,840 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:52:51,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f43f415-2e6e-4f78-b215-2229a0b88bd1/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 [2018-11-10 10:52:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:52:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:52:52,165 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:52:52,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:52:52 BoogieIcfgContainer [2018-11-10 10:52:52,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:52:52,166 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:52:52,166 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:52:52,174 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:52:52,174 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:52:52" (1/1) ... [2018-11-10 10:52:52,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:52:52,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-11-10 10:52:52,204 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-11-10 10:52:52,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 10:52:52,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:52,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:52,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:52,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-11-10 10:52:52,380 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-11-10 10:52:52,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 10:52:52,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:52,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:52,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:52,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2018-11-10 10:52:52,657 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2018-11-10 10:52:52,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 10:52:52,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:52,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:52:52,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:52,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2018-11-10 10:52:52,829 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2018-11-10 10:52:52,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 10:52:52,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:52,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:53,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:53,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2018-11-10 10:52:53,582 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2018-11-10 10:52:53,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 10:52:53,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:53,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:52:53,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:53,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2018-11-10 10:52:53,602 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2018-11-10 10:52:53,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 10:52:53,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:52:53,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:53,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2018-11-10 10:52:53,765 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2018-11-10 10:52:53,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 10:52:53,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:53,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:54,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2018-11-10 10:52:54,237 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2018-11-10 10:52:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 10:52:54,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:54,256 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 10:52:54,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:54,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2018-11-10 10:52:54,476 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2018-11-10 10:52:54,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 10:52:54,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:54,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:54,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:54,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2018-11-10 10:52:54,915 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2018-11-10 10:52:54,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:52:54,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:55,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:55,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2018-11-10 10:52:55,442 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2018-11-10 10:52:55,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:52:55,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:55,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-11-10 10:52:55,756 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-11-10 10:52:55,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 10:52:55,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:55,828 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:56,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:56,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2018-11-10 10:52:56,417 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2018-11-10 10:52:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 10:52:56,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:56,434 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:56,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:56,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2018-11-10 10:52:56,837 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2018-11-10 10:52:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 10:52:56,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:56,912 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:57,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:57,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2018-11-10 10:52:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2018-11-10 10:52:57,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 10:52:57,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:57,501 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:57,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:57,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2018-11-10 10:52:57,873 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2018-11-10 10:52:57,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 10:52:57,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:57,953 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:58,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:58,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 49 states and 58 transitions. [2018-11-10 10:52:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2018-11-10 10:52:58,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 10:52:58,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:58,616 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:59,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 51 states and 59 transitions. [2018-11-10 10:52:59,022 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2018-11-10 10:52:59,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 10:52:59,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:59,103 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:59,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:59,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 55 states and 65 transitions. [2018-11-10 10:52:59,764 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2018-11-10 10:52:59,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 10:52:59,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:59,783 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:53:00,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:00,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 57 states and 66 transitions. [2018-11-10 10:53:00,271 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2018-11-10 10:53:00,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 10:53:00,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:00,356 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:53:01,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:01,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 61 states and 72 transitions. [2018-11-10 10:53:01,062 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2018-11-10 10:53:01,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 10:53:01,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:53:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:01,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 73 transitions. [2018-11-10 10:53:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2018-11-10 10:53:01,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 10:53:01,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:01,636 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:53:02,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:02,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 67 states and 79 transitions. [2018-11-10 10:53:02,392 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 79 transitions. [2018-11-10 10:53:02,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 10:53:02,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:53:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:02,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 69 states and 80 transitions. [2018-11-10 10:53:02,910 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2018-11-10 10:53:02,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 10:53:02,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:03,009 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:53:03,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:03,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 73 states and 84 transitions. [2018-11-10 10:53:03,894 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2018-11-10 10:53:03,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 10:53:03,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:03,913 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:53:04,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:04,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 75 states and 85 transitions. [2018-11-10 10:53:04,432 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2018-11-10 10:53:04,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 10:53:04,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:04,689 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-11-10 10:53:05,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:05,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 79 states and 93 transitions. [2018-11-10 10:53:05,731 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2018-11-10 10:53:05,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 10:53:05,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:05,748 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-11-10 10:53:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:06,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2018-11-10 10:53:06,351 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2018-11-10 10:53:06,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 10:53:06,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:06,768 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-11-10 10:53:08,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:08,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 106 transitions. [2018-11-10 10:53:08,935 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 106 transitions. [2018-11-10 10:53:08,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 10:53:08,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:09,070 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-11-10 10:53:20,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:20,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 128 states and 175 transitions. [2018-11-10 10:53:20,987 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 175 transitions. [2018-11-10 10:53:20,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 10:53:20,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:21,003 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-11-10 10:53:27,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:27,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 93 states and 123 transitions. [2018-11-10 10:53:27,794 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 123 transitions. [2018-11-10 10:53:27,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 10:53:27,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:27,808 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-11-10 10:53:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:28,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 93 states and 122 transitions. [2018-11-10 10:53:28,901 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 122 transitions. [2018-11-10 10:53:28,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 10:53:28,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-11-10 10:53:30,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:30,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2018-11-10 10:53:30,935 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2018-11-10 10:53:30,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 10:53:30,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:30,952 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-11-10 10:53:32,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:32,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 73 states and 83 transitions. [2018-11-10 10:53:32,171 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2018-11-10 10:53:32,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:53:32,171 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-11-10 10:53:32,177 INFO L778 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2018-11-10 10:53:32,468 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2018-11-10 10:53:32,603 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 37 [2018-11-10 10:53:32,664 INFO L582 CodeCheckObserver]: Invariant with dag size 23 [2018-11-10 10:53:32,668 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,669 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,669 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,669 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,673 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,673 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,673 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,673 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,674 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 10:53:32,674 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,674 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,675 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 10:53:32,675 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,675 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,676 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,676 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,676 INFO L582 CodeCheckObserver]: Invariant with dag size 23 [2018-11-10 10:53:32,677 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,677 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,677 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,677 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,678 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,678 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,678 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,678 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:53:32 ImpRootNode [2018-11-10 10:53:32,681 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:53:32,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:53:32,681 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:53:32,681 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:53:32,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:52:52" (3/4) ... [2018-11-10 10:53:32,685 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:53:32,694 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2018-11-10 10:53:32,694 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-11-10 10:53:32,694 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-10 10:53:32,694 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 10:53:32,711 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((40 <= unknown-#length-unknown[array] && 4 <= array + 4 * i) && 1 == \valid[array]) && \old(unknown-main_\old_#valid-unknown) == \valid) && array == 0) || ((((40 <= unknown-#length-unknown[array] && i == 0) && 1 == \valid[array]) && \old(unknown-main_\old_#valid-unknown) == \valid) && array == 0) [2018-11-10 10:53:32,711 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((40 <= unknown-#length-unknown[array] && 1 == \valid[array]) && \old(unknown-main_\old_#valid-unknown) == \valid) && array == 0 [2018-11-10 10:53:32,711 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((i == 0 && numbers == 0) && \old(unknown-main_\old_#valid-unknown) == \valid) && 1 == \valid[numbers]) && 40 <= unknown-#length-unknown[numbers]) || ((((numbers == 0 && \old(unknown-main_\old_#valid-unknown) == \valid) && 4 <= numbers + 4 * i) && 1 == \valid[numbers]) && 40 <= unknown-#length-unknown[numbers]) [2018-11-10 10:53:32,711 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-11-10 10:53:32,726 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1f43f415-2e6e-4f78-b215-2229a0b88bd1/bin-2019/ukojak/witness.graphml [2018-11-10 10:53:32,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:53:32,727 INFO L168 Benchmark]: Toolchain (without parser) took 41086.16 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 695.7 MB). Free memory was 958.5 MB in the beginning and 1.6 GB in the end (delta: -607.9 MB). Peak memory consumption was 87.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:53:32,728 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:53:32,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.57 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 947.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:53:32,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.27 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 945.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:53:32,729 INFO L168 Benchmark]: Boogie Preprocessor took 20.95 ms. Allocated memory is still 1.0 GB. Free memory is still 945.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:53:32,729 INFO L168 Benchmark]: RCFGBuilder took 326.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -199.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:53:32,729 INFO L168 Benchmark]: CodeCheck took 40514.45 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 522.2 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -438.0 MB). Peak memory consumption was 817.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:53:32,729 INFO L168 Benchmark]: Witness Printer took 45.76 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:53:32,731 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, 23 locations, 5 error locations. SAFE Result, 39.9s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 671088704 SDtfs, -44736780 SDslu, 1431657472 SDs, 0 SdLazy, -1342169200 SolverSat, 89482256 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8398 GetRequests, 7405 SyntacticMatches, 427 SemanticMatches, 566 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153771 ImplicationChecksByTransitivity, 38.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 987 NumberOfCodeBlocks, 987 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 954 ConstructedInterpolants, 0 QuantifiedInterpolants, 173280 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 8 PerfectInterpolantSequences, 1652/2812 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: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant [2018-11-10 10:53:32,732 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,732 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,732 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,732 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,732 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,732 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,732 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,733 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((i == 0 && numbers == 0) && \old(unknown-main_\old_#valid-unknown) == \valid) && 1 == \valid[numbers]) && 40 <= unknown-#length-unknown[numbers]) || ((((numbers == 0 && \old(unknown-main_\old_#valid-unknown) == \valid) && 4 <= numbers + 4 * i) && 1 == \valid[numbers]) && 40 <= unknown-#length-unknown[numbers]) - InvariantResult [Line: 15]: Loop Invariant [2018-11-10 10:53:32,733 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,733 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 8]: Loop Invariant [2018-11-10 10:53:32,733 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,733 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,733 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,734 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: ((40 <= unknown-#length-unknown[array] && 1 == \valid[array]) && \old(unknown-main_\old_#valid-unknown) == \valid) && array == 0 - InvariantResult [Line: 8]: Loop Invariant [2018-11-10 10:53:32,734 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,734 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,734 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,734 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,734 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,734 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 10:53:32,735 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 10:53:32,735 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: ((((40 <= unknown-#length-unknown[array] && 4 <= array + 4 * i) && 1 == \valid[array]) && \old(unknown-main_\old_#valid-unknown) == \valid) && array == 0) || ((((40 <= unknown-#length-unknown[array] && i == 0) && 1 == \valid[array]) && \old(unknown-main_\old_#valid-unknown) == \valid) && array == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 149.57 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 947.7 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 26.27 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 945.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.95 ms. Allocated memory is still 1.0 GB. Free memory is still 945.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 326.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -199.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * CodeCheck took 40514.45 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 522.2 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -438.0 MB). Peak memory consumption was 817.0 MB. Max. memory is 11.5 GB. * Witness Printer took 45.76 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #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 #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 #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 #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...