./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/960521-1_1_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_49cbb3dc-50c3-4c69-8d08-fb135cdb5571/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_49cbb3dc-50c3-4c69-8d08-fb135cdb5571/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_49cbb3dc-50c3-4c69-8d08-fb135cdb5571/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_49cbb3dc-50c3-4c69-8d08-fb135cdb5571/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/960521-1_1_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_49cbb3dc-50c3-4c69-8d08-fb135cdb5571/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_49cbb3dc-50c3-4c69-8d08-fb135cdb5571/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 2ea9137b8fd7df56e4481b92e9d86d6108157d55 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:41:50,646 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:41:50,647 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:41:50,653 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:41:50,653 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:41:50,654 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:41:50,654 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:41:50,655 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:41:50,656 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:41:50,656 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:41:50,657 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:41:50,657 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:41:50,657 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:41:50,658 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:41:50,658 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:41:50,659 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:41:50,659 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:41:50,660 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:41:50,661 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:41:50,662 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:41:50,662 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:41:50,663 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:41:50,664 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:41:50,664 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:41:50,664 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:41:50,665 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:41:50,665 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:41:50,665 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:41:50,666 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:41:50,666 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:41:50,666 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:41:50,667 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:41:50,667 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:41:50,667 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:41:50,667 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:41:50,668 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:41:50,668 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_49cbb3dc-50c3-4c69-8d08-fb135cdb5571/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-02 02:41:50,675 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:41:50,675 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:41:50,676 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 02:41:50,676 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 02:41:50,676 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:41:50,676 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:41:50,676 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 02:41:50,677 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:41:50,677 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:41:50,677 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:41:50,677 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 02:41:50,677 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 02:41:50,677 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 02:41:50,677 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:41:50,677 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:41:50,677 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:41:50,677 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 02:41:50,677 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 02:41:50,677 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:41:50,678 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:41:50,678 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 02:41:50,678 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:41:50,678 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:41:50,678 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 02:41:50,678 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:41:50,678 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_49cbb3dc-50c3-4c69-8d08-fb135cdb5571/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 -> 2ea9137b8fd7df56e4481b92e9d86d6108157d55 [2018-12-02 02:41:50,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:41:50,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:41:50,703 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:41:50,704 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:41:50,705 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:41:50,705 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_49cbb3dc-50c3-4c69-8d08-fb135cdb5571/bin-2019/ukojak/../../sv-benchmarks/c/list-ext-properties/960521-1_1_true-valid-memsafety.i [2018-12-02 02:41:50,740 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_49cbb3dc-50c3-4c69-8d08-fb135cdb5571/bin-2019/ukojak/data/6475cb637/a10f25fb1be94a2ba0a406aed51f918c/FLAG9b07f9d65 [2018-12-02 02:41:51,045 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:41:51,045 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_49cbb3dc-50c3-4c69-8d08-fb135cdb5571/sv-benchmarks/c/list-ext-properties/960521-1_1_true-valid-memsafety.i [2018-12-02 02:41:51,051 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_49cbb3dc-50c3-4c69-8d08-fb135cdb5571/bin-2019/ukojak/data/6475cb637/a10f25fb1be94a2ba0a406aed51f918c/FLAG9b07f9d65 [2018-12-02 02:41:51,060 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_49cbb3dc-50c3-4c69-8d08-fb135cdb5571/bin-2019/ukojak/data/6475cb637/a10f25fb1be94a2ba0a406aed51f918c [2018-12-02 02:41:51,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:41:51,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:41:51,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:41:51,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:41:51,065 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:41:51,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:41:51" (1/1) ... [2018-12-02 02:41:51,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f76134a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:41:51, skipping insertion in model container [2018-12-02 02:41:51,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:41:51" (1/1) ... [2018-12-02 02:41:51,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:41:51,089 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:41:51,226 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:41:51,232 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:41:51,296 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:41:51,315 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:41:51,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:41:51 WrapperNode [2018-12-02 02:41:51,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:41:51,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:41:51,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:41:51,316 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:41:51,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:41:51" (1/1) ... [2018-12-02 02:41:51,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:41:51" (1/1) ... [2018-12-02 02:41:51,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:41:51,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:41:51,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:41:51,341 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:41:51,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:41:51" (1/1) ... [2018-12-02 02:41:51,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:41:51" (1/1) ... [2018-12-02 02:41:51,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:41:51" (1/1) ... [2018-12-02 02:41:51,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:41:51" (1/1) ... [2018-12-02 02:41:51,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:41:51" (1/1) ... [2018-12-02 02:41:51,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:41:51" (1/1) ... [2018-12-02 02:41:51,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:41:51" (1/1) ... [2018-12-02 02:41:51,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:41:51,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:41:51,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:41:51,356 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:41:51,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:41:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49cbb3dc-50c3-4c69-8d08-fb135cdb5571/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 [2018-12-02 02:41:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 02:41:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 02:41:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 02:41:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 02:41:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:41:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:41:51,572 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:41:51,573 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-02 02:41:51,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:41:51 BoogieIcfgContainer [2018-12-02 02:41:51,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:41:51,573 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 02:41:51,573 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 02:41:51,579 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 02:41:51,580 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:41:51" (1/1) ... [2018-12-02 02:41:51,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:41:51,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:51,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 42 states and 46 transitions. [2018-12-02 02:41:51,607 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-12-02 02:41:51,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 02:41:51,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:41:51,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:51,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2018-12-02 02:41:51,680 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2018-12-02 02:41:51,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 02:41:51,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:51,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:41:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:51,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 41 states and 44 transitions. [2018-12-02 02:41:51,724 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2018-12-02 02:41:51,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 02:41:51,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:51,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:41:51,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:51,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 40 states and 43 transitions. [2018-12-02 02:41:51,833 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-12-02 02:41:51,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 02:41:51,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:51,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:41:51,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:51,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 39 states and 42 transitions. [2018-12-02 02:41:51,945 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-12-02 02:41:51,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 02:41:51,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:52,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:41:52,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:52,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2018-12-02 02:41:52,332 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-12-02 02:41:52,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 02:41:52,332 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:52,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:41:52,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:52,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2018-12-02 02:41:52,940 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2018-12-02 02:41:52,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 02:41:52,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:52,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:41:53,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:53,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 52 states and 63 transitions. [2018-12-02 02:41:53,438 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2018-12-02 02:41:53,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 02:41:53,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:53,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:41:55,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:55,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2018-12-02 02:41:55,988 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2018-12-02 02:41:55,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 02:41:55,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:56,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:41:56,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:56,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 58 states and 77 transitions. [2018-12-02 02:41:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2018-12-02 02:41:56,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 02:41:56,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:56,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:41:56,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:56,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 57 states and 76 transitions. [2018-12-02 02:41:56,712 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2018-12-02 02:41:56,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 02:41:56,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:56,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:41:57,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:57,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 59 states and 80 transitions. [2018-12-02 02:41:57,097 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2018-12-02 02:41:57,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 02:41:57,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:41:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:57,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 62 states and 85 transitions. [2018-12-02 02:41:57,826 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2018-12-02 02:41:57,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 02:41:57,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:41:59,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:59,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 94 transitions. [2018-12-02 02:41:59,334 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2018-12-02 02:41:59,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 02:41:59,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:59,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:41:59,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:41:59,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2018-12-02 02:41:59,376 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2018-12-02 02:41:59,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 02:41:59,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:41:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:41:59,520 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:42:01,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:01,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2018-12-02 02:42:01,215 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2018-12-02 02:42:01,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 02:42:01,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:01,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:42:01,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:01,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 82 states and 115 transitions. [2018-12-02 02:42:01,896 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2018-12-02 02:42:01,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 02:42:01,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:01,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:42:01,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:01,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 84 states and 117 transitions. [2018-12-02 02:42:01,926 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 117 transitions. [2018-12-02 02:42:01,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 02:42:01,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:01,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:42:02,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:02,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 86 states and 120 transitions. [2018-12-02 02:42:02,794 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 120 transitions. [2018-12-02 02:42:02,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 02:42:02,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:02,889 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:42:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 88 states and 123 transitions. [2018-12-02 02:42:03,620 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 123 transitions. [2018-12-02 02:42:03,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 02:42:03,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:03,930 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:42:06,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:06,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 93 states and 136 transitions. [2018-12-02 02:42:06,045 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 136 transitions. [2018-12-02 02:42:06,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 02:42:06,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:42:06,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:06,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 94 states and 136 transitions. [2018-12-02 02:42:06,334 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 136 transitions. [2018-12-02 02:42:06,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 02:42:06,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:06,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:42:07,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:07,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 100 states and 145 transitions. [2018-12-02 02:42:07,748 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2018-12-02 02:42:07,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 02:42:07,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:08,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:42:13,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:13,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 106 states and 155 transitions. [2018-12-02 02:42:13,549 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 155 transitions. [2018-12-02 02:42:13,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 02:42:13,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:13,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 02:42:13,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:13,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 96 states and 129 transitions. [2018-12-02 02:42:13,831 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 129 transitions. [2018-12-02 02:42:13,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 02:42:13,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:14,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:42:16,137 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2018-12-02 02:42:16,436 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-12-02 02:42:19,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:19,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 104 states and 143 transitions. [2018-12-02 02:42:19,472 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions. [2018-12-02 02:42:19,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 02:42:19,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:19,607 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 02:42:20,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:20,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 105 states and 145 transitions. [2018-12-02 02:42:20,465 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 145 transitions. [2018-12-02 02:42:20,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 02:42:20,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:20,915 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:42:25,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:25,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 111 states and 154 transitions. [2018-12-02 02:42:25,927 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2018-12-02 02:42:25,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 02:42:25,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:25,950 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:42:26,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:26,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 112 states and 155 transitions. [2018-12-02 02:42:26,697 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 155 transitions. [2018-12-02 02:42:26,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 02:42:26,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:27,091 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 02:42:28,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:28,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 114 states and 153 transitions. [2018-12-02 02:42:28,427 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 153 transitions. [2018-12-02 02:42:28,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 02:42:28,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:28,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:42:29,635 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2018-12-02 02:42:30,744 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2018-12-02 02:42:31,120 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2018-12-02 02:42:32,933 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2018-12-02 02:42:33,368 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2018-12-02 02:42:42,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:42,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 124 states and 169 transitions. [2018-12-02 02:42:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 169 transitions. [2018-12-02 02:42:42,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 02:42:42,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:42,991 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 02:42:43,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:43,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 117 states and 159 transitions. [2018-12-02 02:42:43,990 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 159 transitions. [2018-12-02 02:42:43,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 02:42:43,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:44,526 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 02:42:45,287 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-02 02:42:46,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:46,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 113 states and 153 transitions. [2018-12-02 02:42:46,823 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 153 transitions. [2018-12-02 02:42:46,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 02:42:46,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:46,830 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 02:42:48,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:48,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 117 states and 158 transitions. [2018-12-02 02:42:48,540 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 158 transitions. [2018-12-02 02:42:48,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 02:42:48,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:48,575 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:42:50,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:42:50,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 121 states and 163 transitions. [2018-12-02 02:42:50,038 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 163 transitions. [2018-12-02 02:42:50,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 02:42:50,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:42:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:42:51,598 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 02:42:53,194 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2018-12-02 02:42:53,552 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-02 02:43:00,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:43:00,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 125 states and 178 transitions. [2018-12-02 02:43:00,502 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 178 transitions. [2018-12-02 02:43:00,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 02:43:00,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:43:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:00,527 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 02:43:00,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:43:00,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 125 states and 177 transitions. [2018-12-02 02:43:00,922 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 177 transitions. [2018-12-02 02:43:00,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 02:43:00,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:43:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:43:06,794 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2018-12-02 02:43:13,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:43:13,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 129 states and 183 transitions. [2018-12-02 02:43:13,652 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 183 transitions. [2018-12-02 02:43:13,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 02:43:13,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:43:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 02:43:17,478 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-12-02 02:43:17,940 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-12-02 02:43:22,959 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-12-02 02:43:25,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:43:25,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 135 states and 192 transitions. [2018-12-02 02:43:25,296 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 192 transitions. [2018-12-02 02:43:25,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 02:43:25,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:43:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:43:26,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:43:26,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 136 states and 192 transitions. [2018-12-02 02:43:26,221 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 192 transitions. [2018-12-02 02:43:26,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 02:43:26,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:43:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:26,609 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 02:43:27,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:43:27,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 97 states and 114 transitions. [2018-12-02 02:43:27,376 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2018-12-02 02:43:27,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 02:43:27,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:43:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:28,163 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 02:43:29,818 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2018-12-02 02:43:31,508 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2018-12-02 02:43:33,103 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2018-12-02 02:43:34,748 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-12-02 02:43:37,571 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2018-12-02 02:43:40,359 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2018-12-02 02:43:46,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:43:46,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 101 states and 120 transitions. [2018-12-02 02:43:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2018-12-02 02:43:46,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 02:43:46,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:43:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:46,166 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 02:43:47,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:43:47,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 93 states and 112 transitions. [2018-12-02 02:43:47,095 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2018-12-02 02:43:47,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 02:43:47,096 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:43:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:47,112 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 02:43:48,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:43:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2018-12-02 02:43:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2018-12-02 02:43:48,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 02:43:48,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:43:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:43:52,116 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2018-12-02 02:43:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:43:55,045 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2018-12-02 02:43:59,747 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2018-12-02 02:44:02,894 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2018-12-02 02:44:03,498 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2018-12-02 02:44:09,722 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2018-12-02 02:44:13,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:13,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 96 states and 116 transitions. [2018-12-02 02:44:13,863 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 116 transitions. [2018-12-02 02:44:13,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 02:44:13,863 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:13,871 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 02:44:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 103 states and 125 transitions. [2018-12-02 02:44:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 125 transitions. [2018-12-02 02:44:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 02:44:18,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:21,467 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 02:44:22,967 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2018-12-02 02:44:25,766 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2018-12-02 02:44:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:27,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 107 states and 129 transitions. [2018-12-02 02:44:27,479 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2018-12-02 02:44:27,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 02:44:27,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 02:44:31,268 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2018-12-02 02:44:34,337 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 30 [2018-12-02 02:44:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:37,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 109 states and 130 transitions. [2018-12-02 02:44:37,167 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2018-12-02 02:44:37,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 02:44:37,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:44:38,065 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 02:44:41,380 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2018-12-02 02:44:43,178 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2018-12-02 02:44:45,001 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2018-12-02 02:44:59,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:44:59,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 118 states and 141 transitions. [2018-12-02 02:44:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 141 transitions. [2018-12-02 02:44:59,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 02:44:59,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:44:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:45:00,233 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:45:02,352 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2018-12-02 02:45:02,929 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-12-02 02:45:08,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:45:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 110 states and 129 transitions. [2018-12-02 02:45:08,446 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2018-12-02 02:45:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 02:45:08,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:45:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:45:08,765 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:45:11,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:45:11,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 112 states and 131 transitions. [2018-12-02 02:45:11,202 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 131 transitions. [2018-12-02 02:45:11,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 02:45:11,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:45:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:45:18,795 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:45:27,121 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2018-12-02 02:45:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:45:43,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 129 states and 154 transitions. [2018-12-02 02:45:43,491 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 154 transitions. [2018-12-02 02:45:43,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 02:45:43,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:45:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:45:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:45:47,082 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2018-12-02 02:45:47,621 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2018-12-02 02:45:49,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:45:49,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 133 states and 159 transitions. [2018-12-02 02:45:49,327 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2018-12-02 02:45:49,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 02:45:49,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:45:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:45:49,349 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 02:45:49,974 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-12-02 02:45:55,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:45:55,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 136 states and 161 transitions. [2018-12-02 02:45:55,978 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 161 transitions. [2018-12-02 02:45:55,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 02:45:55,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:45:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:45:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 02:46:02,440 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2018-12-02 02:46:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:04,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 138 states and 162 transitions. [2018-12-02 02:46:04,452 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2018-12-02 02:46:04,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 02:46:04,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:05,147 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 02:46:10,289 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2018-12-02 02:46:21,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:21,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 143 states and 169 transitions. [2018-12-02 02:46:21,233 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 169 transitions. [2018-12-02 02:46:21,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 02:46:21,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:21,780 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 02:46:28,828 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2018-12-02 02:46:33,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:33,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 141 states and 164 transitions. [2018-12-02 02:46:33,967 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2018-12-02 02:46:33,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 02:46:33,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 02:46:37,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:37,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 143 states and 166 transitions. [2018-12-02 02:46:37,126 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 166 transitions. [2018-12-02 02:46:37,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 02:46:37,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:37,721 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 02:46:40,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:40,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 145 states and 168 transitions. [2018-12-02 02:46:40,820 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 168 transitions. [2018-12-02 02:46:40,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 02:46:40,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:46,134 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 25 [2018-12-02 02:46:48,059 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2018-12-02 02:46:49,194 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2018-12-02 02:46:53,285 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2018-12-02 02:46:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:47:16,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:47:16,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 160 states and 189 transitions. [2018-12-02 02:47:16,941 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 189 transitions. [2018-12-02 02:47:16,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 02:47:16,941 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:47:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:47:17,512 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 02:47:21,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:47:21,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 162 states and 191 transitions. [2018-12-02 02:47:21,466 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 191 transitions. [2018-12-02 02:47:21,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 02:47:21,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:47:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:47:21,480 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 02:47:24,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:47:24,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 165 states and 193 transitions. [2018-12-02 02:47:24,939 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 193 transitions. [2018-12-02 02:47:24,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 02:47:24,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:47:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:47:27,328 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 30 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 02:47:33,205 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2018-12-02 02:47:35,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:47:35,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 167 states and 194 transitions. [2018-12-02 02:47:35,618 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 194 transitions. [2018-12-02 02:47:35,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 02:47:35,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:47:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:47:38,064 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 02:47:53,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:47:53,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 168 states and 195 transitions. [2018-12-02 02:47:53,745 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 195 transitions. [2018-12-02 02:47:53,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 02:47:53,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:47:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:47:55,443 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 02:48:00,526 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2018-12-02 02:48:16,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:48:16,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 166 states and 190 transitions. [2018-12-02 02:48:16,823 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 190 transitions. [2018-12-02 02:48:16,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 02:48:16,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:48:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:48:17,718 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 02:48:22,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:48:22,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 168 states and 192 transitions. [2018-12-02 02:48:22,895 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 192 transitions. [2018-12-02 02:48:22,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 02:48:22,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:48:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:48:22,905 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-02 02:48:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:48:38,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 149 states and 169 transitions. [2018-12-02 02:48:38,914 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 169 transitions. [2018-12-02 02:48:38,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 02:48:38,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:48:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:48:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 6 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:48:59,282 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 37 [2018-12-02 02:49:05,091 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 41 [2018-12-02 02:49:08,568 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 45 [2018-12-02 02:49:11,772 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2018-12-02 02:49:19,157 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2018-12-02 02:49:33,304 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2018-12-02 02:49:42,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:49:42,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 166 states and 190 transitions. [2018-12-02 02:49:42,564 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 190 transitions. [2018-12-02 02:49:42,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 02:49:42,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:49:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:49:43,439 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 02:49:49,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:49:49,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 168 states and 192 transitions. [2018-12-02 02:49:49,260 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 192 transitions. [2018-12-02 02:49:49,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 02:49:49,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:49:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:49:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 42 proven. 25 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 02:49:59,477 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2018-12-02 02:50:16,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:50:16,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 170 states and 192 transitions. [2018-12-02 02:50:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 192 transitions. [2018-12-02 02:50:16,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 02:50:16,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:50:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:50:16,978 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-02 02:50:27,113 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2018-12-02 02:50:27,731 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2018-12-02 02:50:46,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:50:46,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 170 states and 191 transitions. [2018-12-02 02:50:46,873 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 191 transitions. [2018-12-02 02:50:46,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 02:50:46,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:50:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:50:48,401 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 42 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 02:50:51,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:50:51,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 172 states and 193 transitions. [2018-12-02 02:50:51,790 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 193 transitions. [2018-12-02 02:50:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 02:50:51,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:50:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:50:58,632 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2018-12-02 02:51:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 43 proven. 54 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 02:51:16,763 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2018-12-02 02:51:23,290 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2018-12-02 02:51:42,105 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2018-12-02 02:51:44,380 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2018-12-02 02:51:50,378 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2018-12-02 02:52:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:52:02,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 142 states and 152 transitions. [2018-12-02 02:52:02,134 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 152 transitions. [2018-12-02 02:52:02,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 02:52:02,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:52:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:52:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 38 proven. 36 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-02 02:52:38,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:52:38,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 144 states and 154 transitions. [2018-12-02 02:52:38,444 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 154 transitions. [2018-12-02 02:52:38,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 02:52:38,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:52:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:52:39,191 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-12-02 02:52:42,454 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2018-12-02 02:52:46,407 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2018-12-02 02:52:47,218 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2018-12-02 02:52:51,470 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2018-12-02 02:52:57,254 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2018-12-02 02:53:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:53:10,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 121 states and 130 transitions. [2018-12-02 02:53:10,966 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 130 transitions. [2018-12-02 02:53:10,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:53:10,966 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 75 iterations. [2018-12-02 02:53:10,972 INFO L779 CodeCheckObserver]: All specifications hold 19 specifications checked. All of them hold [2018-12-02 02:53:11,385 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2018-12-02 02:53:11,522 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 60 [2018-12-02 02:53:12,546 WARN L180 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 153 DAG size of output: 93 [2018-12-02 02:53:12,813 WARN L180 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2018-12-02 02:53:14,798 WARN L180 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 172 DAG size of output: 127 [2018-12-02 02:53:14,798 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-02 02:53:14,802 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,807 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,808 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-02 02:53:14,808 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,809 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,809 INFO L583 CodeCheckObserver]: Invariant with dag size 73 [2018-12-02 02:53:14,813 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,813 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,813 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,813 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,813 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,814 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,814 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,814 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,814 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,814 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,814 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,815 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,815 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,815 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,815 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,815 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,818 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,818 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,818 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,818 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,818 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,819 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,819 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,819 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,819 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,819 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,819 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,819 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,820 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,820 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,820 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,820 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,821 INFO L583 CodeCheckObserver]: Invariant with dag size 127 [2018-12-02 02:53:14,827 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,828 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,828 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,828 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,829 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,829 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,829 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,829 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,830 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,830 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,830 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,830 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,831 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,831 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,831 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,832 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,832 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,832 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,832 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,833 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,833 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,833 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,833 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,834 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,834 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,834 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,834 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,835 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,835 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,835 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,835 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,835 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,836 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,836 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,836 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,836 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,837 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,837 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,837 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,837 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,837 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,838 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,838 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,838 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,838 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,838 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,838 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,838 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,839 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,839 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,839 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,839 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,839 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,839 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,839 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,839 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,840 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,840 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,840 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,840 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,840 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,841 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,841 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,841 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,841 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,841 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,842 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,842 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,842 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,842 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,842 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,843 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,843 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,843 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,843 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,843 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,843 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,844 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,844 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,844 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,844 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,849 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,849 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,850 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,850 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,850 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,850 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,851 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,851 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,851 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,851 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,852 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,852 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,852 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,852 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,853 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,853 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,853 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,853 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,854 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,854 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,854 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,854 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,854 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,855 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,855 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,855 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,855 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,856 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,856 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,856 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,856 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,856 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,857 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,857 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,857 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,857 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,857 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,858 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,858 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,858 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,858 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,859 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,859 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,859 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,859 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,859 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,860 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,860 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,860 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,860 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,860 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,861 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,861 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,861 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,861 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,861 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,861 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,862 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,862 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,862 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,862 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,862 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,862 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,862 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,863 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,863 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,863 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,863 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,863 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,863 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,863 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,863 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,863 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,864 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,864 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,864 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,864 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,864 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,864 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,864 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,864 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:53:14 ImpRootNode [2018-12-02 02:53:14,865 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 02:53:14,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:53:14,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:53:14,866 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:53:14,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:41:51" (3/4) ... [2018-12-02 02:53:14,869 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:53:14,875 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 02:53:14,875 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 02:53:14,875 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 02:53:14,892 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 1 <= n && \old(unknown-main_\old_#valid-unknown) == \valid [2018-12-02 02:53:14,892 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && a + 4 * i + 8 == 4 * n + b) && 1 == \valid[a := 0][b]) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && b <= 4) && 4 <= b) && 4 * n == unknown-#length-unknown[a]) && 4 * n == unknown-#length-unknown[b]) && a == 0) && 2 < n) && 1 == \valid[a]) || ((((((((((4 * n <= a + 4 * i && 1 == \valid[a := 0][b]) && 4 * n == a + 8) && b <= 4) && 4 <= b) && \old(unknown-main_\old_#valid-unknown) == \valid[b := 0][a := \valid[a := 0][a]]) && 4 * n == unknown-#length-unknown[b]) && !(b == 0)) && 0 == a) && n == unknown-#memory_int-unknown[b][b + -4]) && 1 == \valid[a])) || ((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && 4 * n <= a + 4 * i) && 4 * n == 20) && 1 == \valid[a := 0][b]) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && 0 == a) && n == unknown-#memory_int-unknown[b][b + -4]) && 1 == \valid[a])) || ((((((((((((\valid[b] == 1 && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && \old(unknown-main_\old_#valid-unknown) == \valid[b := 0][a := \valid[a := 0][a]]) && 4 * n == unknown-#length-unknown[b]) && !(b == 0)) && 0 == a) && i == 0) && 4 * n + b <= 12) && !(a == b)) && 1 == \valid[a]) && 4 <= b) && 4 * n == unknown-#length-unknown[a]) && 2 <= n)) || ((((((((((a + 4 * i + 4 < 4 * n && \old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0]) && 1 == \valid[a := 0][b]) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && 4 * n == unknown-#length-unknown[a]) && n < i + 3) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && 6 < n) && a == 0) && 1 == \valid[a])) || ((((((((((i <= 4 && 5 < n) && \old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0]) && 1 == \valid[a := 0][b]) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && 4 * n == unknown-#length-unknown[a]) && n < i + 3) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && 0 == a) && 1 == \valid[a])) || (((((((((4 * n == a + 12 && \old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0]) && 4 * n <= a + 4 * i) && 1 == \valid[a := 0][b]) && b <= 4) && 4 <= b) && 4 * n == unknown-#length-unknown[b]) && a == 0) && n == unknown-#memory_int-unknown[b][b + -4]) && 1 == \valid[a])) || (((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && 4 * n <= a + 4 * i) && 1 == \valid[a := 0][b]) && 4 <= b) && 1 == unknown-#memory_int-unknown[b][b + -4]) && 4 * n == unknown-#length-unknown[b]) && a == 0) && 1 == n) && 1 == \valid[a]) && 4 * n + b <= 8)) || (((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && 4 * n <= a + 4 * i) && 1 == \valid[a := 0][b]) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && a == 0) && 3 < n) && n == unknown-#memory_int-unknown[b][b + -4]) && n <= 4) && 1 == \valid[a])) || (((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && \valid[b] == 1) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && 4 <= b) && 4 * n == unknown-#length-unknown[a]) && 4 * n == unknown-#length-unknown[b]) && a == 0) && 2 < n) && i == 0) && 4 * n + b <= 16) && !(a == b)) && 1 == \valid[a])) || ((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && \valid[b] == 1) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && 4 * n == unknown-#length-unknown[a]) && 19 < 4 * n + b) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && a == 0) && i == 0) && !(a == b)) && 1 == \valid[a])) || (((((((((((b + 4 <= 4 * n && a + 4 * i + 8 == 4 * n + b) && 1 == \valid[a := 0][b]) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && 4 <= b) && 4 * n == unknown-#length-unknown[a]) && \old(unknown-main_\old_#valid-unknown) == \valid[b := 0][a := \valid[a := 0][a]]) && 4 * i <= b) && 4 * n == unknown-#length-unknown[b]) && !(b == 0)) && 0 == a) && 1 == \valid[a])) || ((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && 1 == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && 1 == \valid[a := 0][b]) && 4 <= b) && 4 * n == unknown-#length-unknown[a]) && 4 * n == unknown-#length-unknown[b]) && a == 0) && 1 == n) && i == 0) && 1 == \valid[a]) && 4 * n + b <= 8)) || ((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && 4 * n <= a + 4 * i) && 1 == \valid[a := 0][b]) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && 4 * n + b == a + 28) && 0 == a) && n == unknown-#memory_int-unknown[b][b + -4]) && 1 == \valid[a])) || (((((((((((\valid[b] == 1 && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && a == 0) && n <= 4) && !(a == b)) && 1 == \valid[a]) && \old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0]) && 4 * n == unknown-#length-unknown[a]) && n < i + 3) && 3 < n)) || (((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && \valid[b] == 1) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && b <= 4) && 4 * i <= b + 8) && 4 * n == unknown-#length-unknown[a]) && n < i + 3) && 4 * n == unknown-#length-unknown[b]) && 0 == a) && !(a == b)) && 1 == \valid[a]) && 5 <= n)) || ((((((((((i + 3 <= n && \old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0]) && \valid[b] == 1) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && 4 * n == unknown-#length-unknown[a]) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && a == 0) && !(a == b)) && 1 == \valid[a]) && 4 <= a + 4 * i)) || ((((((((((((4 * n + b <= a + 4 * i + 12 && \valid[b] == 1) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && b <= 4) && 4 * i <= b) && 4 * n == unknown-#length-unknown[b]) && a == 0) && !(a == b)) && 1 == \valid[a]) && \old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0]) && 4 <= b) && 4 * n == unknown-#length-unknown[a]) && 12 <= 4 * n)) || (((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && 4 * n <= a + 4 * i) && 1 == \valid[a := 0][b]) && 4 * i + 4 <= 4 * n + b) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && 6 < n) && a == 0) && n == unknown-#memory_int-unknown[b][b + -4]) && 1 == \valid[a]) [2018-12-02 02:53:14,893 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && 1 == \valid[a := 0][b]) && 4 <= b) && 1 == unknown-#memory_int-unknown[b][b + -4]) && 4 * n == unknown-#length-unknown[b]) && 1 == n) && 0 == a) && i == 0) && 1 == \valid[a]) && 4 * n + b <= 8) || ((((((((((1 == \valid[a := 0][b] && b <= 4) && 4 <= b) && n <= i + 1) && \old(unknown-main_\old_#valid-unknown) == \valid[b := 0][a := \valid[a := 0][a]]) && n == unknown-#memory_int-unknown[b][b + 4 * n + -8]) && 4 * n == unknown-#length-unknown[b]) && 0 == a) && n == unknown-#memory_int-unknown[b][b + -4]) && 1 == \valid[a]) && 2 <= n)) || ((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && 1 == \valid[a := 0][b]) && 4 <= 4 * i + b) && 4 * n <= 4 * i + b + 4) && b <= 4) && 4 * n == 4 * i + 8) && n == unknown-#memory_int-unknown[b][b + 4 * i := n][b + -4]) && 4 * n == unknown-#length-unknown[b]) && !(i == 0)) && 0 == a) && 1 == \valid[a])) || ((((((((((n <= 2 && b + 4 <= 4 * n) && 1 == \valid[a := 0][b]) && 4 <= b) && n == unknown-#memory_int-unknown[b][b + 4 * i := n][b + -4]) && \old(unknown-main_\old_#valid-unknown) == \valid[b := 0][a := \valid[a := 0][a]]) && 4 * n == unknown-#length-unknown[b]) && !(b == 0)) && 0 == a) && i == 0) && 1 == \valid[a])) || (((((((((4 * i + b + 4 < 4 * n && \old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0]) && 1 == \valid[a := 0][b]) && 4 <= 4 * i + b) && b <= 4) && 4 <= b) && n == unknown-#memory_int-unknown[b][b + 4 * i := n][b + -4]) && 4 * n == unknown-#length-unknown[b]) && 0 == a) && 1 == \valid[a]) [2018-12-02 02:53:14,893 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-12-02 02:53:14,905 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_49cbb3dc-50c3-4c69-8d08-fb135cdb5571/bin-2019/ukojak/witness.graphml [2018-12-02 02:53:14,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:53:14,905 INFO L168 Benchmark]: Toolchain (without parser) took 683843.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 949.5 MB in the beginning and 548.3 MB in the end (delta: 401.2 MB). Peak memory consumption was 522.3 MB. Max. memory is 11.5 GB. [2018-12-02 02:53:14,906 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:53:14,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:53:14,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.45 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:53:14,906 INFO L168 Benchmark]: Boogie Preprocessor took 15.11 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. [2018-12-02 02:53:14,906 INFO L168 Benchmark]: RCFGBuilder took 217.11 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-02 02:53:14,907 INFO L168 Benchmark]: CodeCheck took 683291.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 17.8 MB). Free memory was 1.1 GB in the beginning and 554.3 MB in the end (delta: 506.9 MB). Peak memory consumption was 613.4 MB. Max. memory is 11.5 GB. [2018-12-02 02:53:14,907 INFO L168 Benchmark]: Witness Printer took 39.26 ms. Allocated memory is still 1.2 GB. Free memory was 554.3 MB in the beginning and 548.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-12-02 02:53:14,908 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, 48 locations, 19 error locations. SAFE Result, 679.3s OverallTime, 75 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -572791772 SDslu, 608453768 SDs, 0 SdLazy, -1436462636 SolverSat, -1223933548 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 129.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15756 GetRequests, 13233 SyntacticMatches, 883 SemanticMatches, 1640 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1665594 ImplicationChecksByTransitivity, 671.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 117.9s InterpolantComputationTime, 1857 NumberOfCodeBlocks, 1857 NumberOfCodeBlocksAsserted, 74 NumberOfCheckSat, 1783 ConstructedInterpolants, 0 QuantifiedInterpolants, 635697 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 74 InterpolantComputations, 42 PerfectInterpolantSequences, 1642/2200 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: 638]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 643]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 640]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 641]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 630]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 640]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 643]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 643]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 640]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 643]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 640]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 628]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 641]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 641]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 628]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 641]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 626]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 626]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 638]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 19 specifications checked. All of them hold - InvariantResult [Line: 630]: Loop Invariant [2018-12-02 02:53:14,909 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,909 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 633]: Loop Invariant [2018-12-02 02:53:14,909 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,910 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: 1 <= n && \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 627]: Loop Invariant [2018-12-02 02:53:14,910 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,910 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,910 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,910 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,911 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,911 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,911 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,911 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,911 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,911 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,911 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,911 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,911 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,911 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,911 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,912 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,912 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,912 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,912 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,912 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,913 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,913 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,913 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,913 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,913 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,913 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,913 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,913 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,913 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,913 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,913 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,913 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && 1 == \valid[a := 0][b]) && 4 <= b) && 1 == unknown-#memory_int-unknown[b][b + -4]) && 4 * n == unknown-#length-unknown[b]) && 1 == n) && 0 == a) && i == 0) && 1 == \valid[a]) && 4 * n + b <= 8) || ((((((((((1 == \valid[a := 0][b] && b <= 4) && 4 <= b) && n <= i + 1) && \old(unknown-main_\old_#valid-unknown) == \valid[b := 0][a := \valid[a := 0][a]]) && n == unknown-#memory_int-unknown[b][b + 4 * n + -8]) && 4 * n == unknown-#length-unknown[b]) && 0 == a) && n == unknown-#memory_int-unknown[b][b + -4]) && 1 == \valid[a]) && 2 <= n)) || ((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && 1 == \valid[a := 0][b]) && 4 <= 4 * i + b) && 4 * n <= 4 * i + b + 4) && b <= 4) && 4 * n == 4 * i + 8) && n == unknown-#memory_int-unknown[b][b + 4 * i := n][b + -4]) && 4 * n == unknown-#length-unknown[b]) && !(i == 0)) && 0 == a) && 1 == \valid[a])) || ((((((((((n <= 2 && b + 4 <= 4 * n) && 1 == \valid[a := 0][b]) && 4 <= b) && n == unknown-#memory_int-unknown[b][b + 4 * i := n][b + -4]) && \old(unknown-main_\old_#valid-unknown) == \valid[b := 0][a := \valid[a := 0][a]]) && 4 * n == unknown-#length-unknown[b]) && !(b == 0)) && 0 == a) && i == 0) && 1 == \valid[a])) || (((((((((4 * i + b + 4 < 4 * n && \old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0]) && 1 == \valid[a := 0][b]) && 4 <= 4 * i + b) && b <= 4) && 4 <= b) && n == unknown-#memory_int-unknown[b][b + 4 * i := n][b + -4]) && 4 * n == unknown-#length-unknown[b]) && 0 == a) && 1 == \valid[a]) - InvariantResult [Line: 625]: Loop Invariant [2018-12-02 02:53:14,915 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,916 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,916 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,916 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,916 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,916 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,916 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,916 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,916 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,917 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,917 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,917 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,917 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,917 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,917 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,917 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,917 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,918 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,918 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,918 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,918 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,918 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,918 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,918 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,918 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,919 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,919 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,919 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,919 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,919 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,919 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,919 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,919 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,919 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,920 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,920 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,920 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,920 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,920 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,920 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,920 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,920 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,920 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,920 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,921 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,921 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,921 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,921 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,921 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,921 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,921 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,921 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,921 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,921 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,922 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,922 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,922 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,922 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,922 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,922 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,922 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,922 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,922 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,922 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,923 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,923 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,923 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,923 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,923 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,923 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,923 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,923 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,923 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,923 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,923 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,924 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,924 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,924 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,924 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,924 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,924 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,926 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,926 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,926 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,927 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,927 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,927 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,927 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,927 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,927 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,927 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,928 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,928 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,928 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,928 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,928 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,928 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,928 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,928 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,929 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,929 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,929 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,929 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,929 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,929 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,929 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,929 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,930 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,930 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,930 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,930 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,930 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,930 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,930 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,930 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,930 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,930 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,931 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,931 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,931 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,931 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,931 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,931 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,931 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,931 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,931 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,932 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,932 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,932 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,932 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,932 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,932 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,932 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,932 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,932 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,932 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,933 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,933 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,933 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,933 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,933 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,933 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,933 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,933 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,933 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,933 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,933 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,934 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,934 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,934 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,934 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,934 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,934 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,934 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,934 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,934 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 02:53:14,934 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,934 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,935 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,935 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 02:53:14,935 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 02:53:14,935 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((((((((((((((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && a + 4 * i + 8 == 4 * n + b) && 1 == \valid[a := 0][b]) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && b <= 4) && 4 <= b) && 4 * n == unknown-#length-unknown[a]) && 4 * n == unknown-#length-unknown[b]) && a == 0) && 2 < n) && 1 == \valid[a]) || ((((((((((4 * n <= a + 4 * i && 1 == \valid[a := 0][b]) && 4 * n == a + 8) && b <= 4) && 4 <= b) && \old(unknown-main_\old_#valid-unknown) == \valid[b := 0][a := \valid[a := 0][a]]) && 4 * n == unknown-#length-unknown[b]) && !(b == 0)) && 0 == a) && n == unknown-#memory_int-unknown[b][b + -4]) && 1 == \valid[a])) || ((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && 4 * n <= a + 4 * i) && 4 * n == 20) && 1 == \valid[a := 0][b]) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && 0 == a) && n == unknown-#memory_int-unknown[b][b + -4]) && 1 == \valid[a])) || ((((((((((((\valid[b] == 1 && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && \old(unknown-main_\old_#valid-unknown) == \valid[b := 0][a := \valid[a := 0][a]]) && 4 * n == unknown-#length-unknown[b]) && !(b == 0)) && 0 == a) && i == 0) && 4 * n + b <= 12) && !(a == b)) && 1 == \valid[a]) && 4 <= b) && 4 * n == unknown-#length-unknown[a]) && 2 <= n)) || ((((((((((a + 4 * i + 4 < 4 * n && \old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0]) && 1 == \valid[a := 0][b]) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && 4 * n == unknown-#length-unknown[a]) && n < i + 3) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && 6 < n) && a == 0) && 1 == \valid[a])) || ((((((((((i <= 4 && 5 < n) && \old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0]) && 1 == \valid[a := 0][b]) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && 4 * n == unknown-#length-unknown[a]) && n < i + 3) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && 0 == a) && 1 == \valid[a])) || (((((((((4 * n == a + 12 && \old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0]) && 4 * n <= a + 4 * i) && 1 == \valid[a := 0][b]) && b <= 4) && 4 <= b) && 4 * n == unknown-#length-unknown[b]) && a == 0) && n == unknown-#memory_int-unknown[b][b + -4]) && 1 == \valid[a])) || (((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && 4 * n <= a + 4 * i) && 1 == \valid[a := 0][b]) && 4 <= b) && 1 == unknown-#memory_int-unknown[b][b + -4]) && 4 * n == unknown-#length-unknown[b]) && a == 0) && 1 == n) && 1 == \valid[a]) && 4 * n + b <= 8)) || (((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && 4 * n <= a + 4 * i) && 1 == \valid[a := 0][b]) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && a == 0) && 3 < n) && n == unknown-#memory_int-unknown[b][b + -4]) && n <= 4) && 1 == \valid[a])) || (((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && \valid[b] == 1) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && 4 <= b) && 4 * n == unknown-#length-unknown[a]) && 4 * n == unknown-#length-unknown[b]) && a == 0) && 2 < n) && i == 0) && 4 * n + b <= 16) && !(a == b)) && 1 == \valid[a])) || ((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && \valid[b] == 1) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && 4 * n == unknown-#length-unknown[a]) && 19 < 4 * n + b) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && a == 0) && i == 0) && !(a == b)) && 1 == \valid[a])) || (((((((((((b + 4 <= 4 * n && a + 4 * i + 8 == 4 * n + b) && 1 == \valid[a := 0][b]) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && 4 <= b) && 4 * n == unknown-#length-unknown[a]) && \old(unknown-main_\old_#valid-unknown) == \valid[b := 0][a := \valid[a := 0][a]]) && 4 * i <= b) && 4 * n == unknown-#length-unknown[b]) && !(b == 0)) && 0 == a) && 1 == \valid[a])) || ((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && 1 == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && 1 == \valid[a := 0][b]) && 4 <= b) && 4 * n == unknown-#length-unknown[a]) && 4 * n == unknown-#length-unknown[b]) && a == 0) && 1 == n) && i == 0) && 1 == \valid[a]) && 4 * n + b <= 8)) || ((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && 4 * n <= a + 4 * i) && 1 == \valid[a := 0][b]) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && 4 * n + b == a + 28) && 0 == a) && n == unknown-#memory_int-unknown[b][b + -4]) && 1 == \valid[a])) || (((((((((((\valid[b] == 1 && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && a == 0) && n <= 4) && !(a == b)) && 1 == \valid[a]) && \old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0]) && 4 * n == unknown-#length-unknown[a]) && n < i + 3) && 3 < n)) || (((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && \valid[b] == 1) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && b <= 4) && 4 * i <= b + 8) && 4 * n == unknown-#length-unknown[a]) && n < i + 3) && 4 * n == unknown-#length-unknown[b]) && 0 == a) && !(a == b)) && 1 == \valid[a]) && 5 <= n)) || ((((((((((i + 3 <= n && \old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0]) && \valid[b] == 1) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && 4 * n == unknown-#length-unknown[a]) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && a == 0) && !(a == b)) && 1 == \valid[a]) && 4 <= a + 4 * i)) || ((((((((((((4 * n + b <= a + 4 * i + 12 && \valid[b] == 1) && n == unknown-#memory_int-unknown[a := unknown-#memory_int-unknown[a][4 * i + a := n]][b][b + -4]) && b <= 4) && 4 * i <= b) && 4 * n == unknown-#length-unknown[b]) && a == 0) && !(a == b)) && 1 == \valid[a]) && \old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0]) && 4 <= b) && 4 * n == unknown-#length-unknown[a]) && 12 <= 4 * n)) || (((((((((\old(unknown-main_\old_#valid-unknown) == \valid[a := 0][b := 0] && 4 * n <= a + 4 * i) && 1 == \valid[a := 0][b]) && 4 * i + 4 <= 4 * n + b) && 4 * n == unknown-#length-unknown[b]) && 4 == b) && 6 < n) && a == 0) && n == unknown-#memory_int-unknown[b][b + -4]) && 1 == \valid[a]) * 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 252.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.45 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.11 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 217.11 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * CodeCheck took 683291.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 17.8 MB). Free memory was 1.1 GB in the beginning and 554.3 MB in the end (delta: 506.9 MB). Peak memory consumption was 613.4 MB. Max. memory is 11.5 GB. * Witness Printer took 39.26 ms. Allocated memory is still 1.2 GB. Free memory was 554.3 MB in the beginning and 548.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...