./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2n_update_all_true-unreach-call_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_update_all_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fabf658906da38258bbb10e77b5550f740cea929 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:44:03,373 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:44:03,375 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:44:03,382 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:44:03,382 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:44:03,383 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:44:03,384 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:44:03,385 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:44:03,386 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:44:03,387 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:44:03,388 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:44:03,388 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:44:03,388 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:44:03,389 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:44:03,390 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:44:03,390 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:44:03,391 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:44:03,392 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:44:03,394 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:44:03,395 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:44:03,396 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:44:03,397 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:44:03,399 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:44:03,399 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:44:03,399 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:44:03,400 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:44:03,400 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:44:03,401 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:44:03,401 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:44:03,402 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:44:03,402 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:44:03,402 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:44:03,402 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:44:03,402 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:44:03,403 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:44:03,403 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:44:03,404 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:44:03,411 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:44:03,411 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:44:03,412 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:44:03,412 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:44:03,413 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:44:03,413 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:44:03,413 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:44:03,413 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:44:03,413 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:44:03,413 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:44:03,413 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:44:03,414 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:44:03,414 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:44:03,414 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:44:03,414 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:44:03,414 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:44:03,414 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:44:03,414 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:44:03,414 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:44:03,415 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:44:03,415 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:44:03,415 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:44:03,415 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:44:03,415 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:44:03,415 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:44:03,415 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:44:03,415 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:44:03,416 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:44:03,416 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:44:03,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:44:03,416 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer 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 ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> fabf658906da38258bbb10e77b5550f740cea929 [2018-11-28 11:44:03,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:44:03,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:44:03,453 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:44:03,454 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:44:03,455 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:44:03,455 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/../../sv-benchmarks/c/list-simple/dll2n_update_all_true-unreach-call_true-valid-memsafety.i [2018-11-28 11:44:03,495 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/data/36a692b5d/ed6947a57483474f9a01e6e0b5367665/FLAGcf5d4be1f [2018-11-28 11:44:03,923 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:44:03,923 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/sv-benchmarks/c/list-simple/dll2n_update_all_true-unreach-call_true-valid-memsafety.i [2018-11-28 11:44:03,930 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/data/36a692b5d/ed6947a57483474f9a01e6e0b5367665/FLAGcf5d4be1f [2018-11-28 11:44:03,938 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/data/36a692b5d/ed6947a57483474f9a01e6e0b5367665 [2018-11-28 11:44:03,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:44:03,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:44:03,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:44:03,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:44:03,945 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:44:03,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:44:03" (1/1) ... [2018-11-28 11:44:03,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be58337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:03, skipping insertion in model container [2018-11-28 11:44:03,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:44:03" (1/1) ... [2018-11-28 11:44:03,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:44:03,981 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:44:04,170 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:44:04,219 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:44:04,248 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:44:04,283 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:44:04,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:04 WrapperNode [2018-11-28 11:44:04,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:44:04,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:44:04,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:44:04,284 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:44:04,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:04" (1/1) ... [2018-11-28 11:44:04,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:04" (1/1) ... [2018-11-28 11:44:04,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:44:04,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:44:04,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:44:04,308 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:44:04,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:04" (1/1) ... [2018-11-28 11:44:04,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:04" (1/1) ... [2018-11-28 11:44:04,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:04" (1/1) ... [2018-11-28 11:44:04,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:04" (1/1) ... [2018-11-28 11:44:04,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:04" (1/1) ... [2018-11-28 11:44:04,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:04" (1/1) ... [2018-11-28 11:44:04,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:04" (1/1) ... [2018-11-28 11:44:04,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:44:04,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:44:04,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:44:04,334 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:44:04,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-11-28 11:44:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2018-11-28 11:44:04,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2018-11-28 11:44:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2018-11-28 11:44:04,374 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2018-11-28 11:44:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:44:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 11:44:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2018-11-28 11:44:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2018-11-28 11:44:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 11:44:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2018-11-28 11:44:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2018-11-28 11:44:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:44:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:44:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:44:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:44:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 11:44:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 11:44:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:44:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2018-11-28 11:44:04,376 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2018-11-28 11:44:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:44:04,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:44:04,651 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:44:04,651 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-28 11:44:04,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:44:04 BoogieIcfgContainer [2018-11-28 11:44:04,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:44:04,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:44:04,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:44:04,655 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:44:04,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:44:03" (1/3) ... [2018-11-28 11:44:04,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66908ca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:44:04, skipping insertion in model container [2018-11-28 11:44:04,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:44:04" (2/3) ... [2018-11-28 11:44:04,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66908ca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:44:04, skipping insertion in model container [2018-11-28 11:44:04,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:44:04" (3/3) ... [2018-11-28 11:44:04,658 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_true-unreach-call_true-valid-memsafety.i [2018-11-28 11:44:04,667 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:44:04,672 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:44:04,682 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:44:04,708 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:44:04,709 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:44:04,709 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:44:04,709 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:44:04,709 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:44:04,709 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:44:04,709 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:44:04,709 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:44:04,709 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:44:04,721 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-11-28 11:44:04,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 11:44:04,727 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:04,728 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:04,730 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:04,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:04,735 INFO L82 PathProgramCache]: Analyzing trace with hash -2123187409, now seen corresponding path program 1 times [2018-11-28 11:44:04,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:04,737 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:04,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:04,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:04,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:44:04,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:44:04,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:44:04,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:44:04,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:44:04,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:44:04,917 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 5 states. [2018-11-28 11:44:05,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:05,032 INFO L93 Difference]: Finished difference Result 95 states and 126 transitions. [2018-11-28 11:44:05,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:44:05,033 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-11-28 11:44:05,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:05,039 INFO L225 Difference]: With dead ends: 95 [2018-11-28 11:44:05,039 INFO L226 Difference]: Without dead ends: 43 [2018-11-28 11:44:05,042 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:44:05,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-28 11:44:05,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2018-11-28 11:44:05,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-28 11:44:05,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2018-11-28 11:44:05,071 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 25 [2018-11-28 11:44:05,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:05,072 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2018-11-28 11:44:05,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:44:05,072 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2018-11-28 11:44:05,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-28 11:44:05,073 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:05,073 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:05,073 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:05,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:05,074 INFO L82 PathProgramCache]: Analyzing trace with hash -287578872, now seen corresponding path program 1 times [2018-11-28 11:44:05,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:05,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:05,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:05,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:05,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:05,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:44:05,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:44:05,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:44:05,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:44:05,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:44:05,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:44:05,122 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 3 states. [2018-11-28 11:44:05,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:05,151 INFO L93 Difference]: Finished difference Result 73 states and 84 transitions. [2018-11-28 11:44:05,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:44:05,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-28 11:44:05,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:05,152 INFO L225 Difference]: With dead ends: 73 [2018-11-28 11:44:05,152 INFO L226 Difference]: Without dead ends: 43 [2018-11-28 11:44:05,153 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:44:05,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-28 11:44:05,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2018-11-28 11:44:05,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-28 11:44:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2018-11-28 11:44:05,159 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 30 [2018-11-28 11:44:05,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:05,159 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2018-11-28 11:44:05,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:44:05,159 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2018-11-28 11:44:05,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-28 11:44:05,160 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:05,160 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:05,160 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:05,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:05,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1976522614, now seen corresponding path program 1 times [2018-11-28 11:44:05,161 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:05,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:05,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:05,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:05,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:05,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:44:05,213 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:44:05,213 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:44:05,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:05,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:44:05,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:44:05,282 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:44:05,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-28 11:44:05,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:44:05,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:44:05,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:44:05,283 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand 6 states. [2018-11-28 11:44:05,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:05,320 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2018-11-28 11:44:05,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:44:05,320 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-11-28 11:44:05,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:05,321 INFO L225 Difference]: With dead ends: 73 [2018-11-28 11:44:05,321 INFO L226 Difference]: Without dead ends: 48 [2018-11-28 11:44:05,321 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:44:05,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-11-28 11:44:05,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2018-11-28 11:44:05,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-28 11:44:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2018-11-28 11:44:05,327 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 30 [2018-11-28 11:44:05,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:05,327 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2018-11-28 11:44:05,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:44:05,327 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2018-11-28 11:44:05,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-28 11:44:05,328 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:05,328 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:05,328 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:05,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:05,328 INFO L82 PathProgramCache]: Analyzing trace with hash -602728307, now seen corresponding path program 1 times [2018-11-28 11:44:05,329 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:05,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:05,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:05,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:05,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:05,404 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-28 11:44:05,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:44:05,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:44:05,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:44:05,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:44:05,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:44:05,405 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand 4 states. [2018-11-28 11:44:05,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:05,456 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions. [2018-11-28 11:44:05,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:44:05,456 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2018-11-28 11:44:05,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:05,457 INFO L225 Difference]: With dead ends: 67 [2018-11-28 11:44:05,458 INFO L226 Difference]: Without dead ends: 54 [2018-11-28 11:44:05,458 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:44:05,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-28 11:44:05,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 45. [2018-11-28 11:44:05,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-28 11:44:05,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2018-11-28 11:44:05,466 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 35 [2018-11-28 11:44:05,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:05,466 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2018-11-28 11:44:05,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:44:05,467 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2018-11-28 11:44:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-28 11:44:05,467 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:05,467 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:05,468 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:05,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:05,468 INFO L82 PathProgramCache]: Analyzing trace with hash -985974537, now seen corresponding path program 1 times [2018-11-28 11:44:05,468 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:05,468 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:05,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:05,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:05,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:05,539 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-28 11:44:05,539 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:44:05,539 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:44:05,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:05,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:44:05,658 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-28 11:44:05,673 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:44:05,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-11-28 11:44:05,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:44:05,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:44:05,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:44:05,674 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand 7 states. [2018-11-28 11:44:05,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:05,751 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2018-11-28 11:44:05,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:44:05,751 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 43 [2018-11-28 11:44:05,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:05,752 INFO L225 Difference]: With dead ends: 77 [2018-11-28 11:44:05,752 INFO L226 Difference]: Without dead ends: 64 [2018-11-28 11:44:05,753 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:44:05,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-28 11:44:05,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 48. [2018-11-28 11:44:05,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-28 11:44:05,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2018-11-28 11:44:05,760 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 43 [2018-11-28 11:44:05,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:05,760 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2018-11-28 11:44:05,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:44:05,760 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2018-11-28 11:44:05,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 11:44:05,762 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:05,762 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:05,762 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:05,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:05,763 INFO L82 PathProgramCache]: Analyzing trace with hash -124170399, now seen corresponding path program 2 times [2018-11-28 11:44:05,763 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:05,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:05,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:05,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:05,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:05,844 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 11:44:05,844 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:44:05,844 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:44:05,871 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 11:44:05,919 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 11:44:05,920 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 11:44:05,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:44:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 11:44:06,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:44:06,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 9 [2018-11-28 11:44:06,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:44:06,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:44:06,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:44:06,031 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand 9 states. [2018-11-28 11:44:06,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:06,238 INFO L93 Difference]: Finished difference Result 81 states and 93 transitions. [2018-11-28 11:44:06,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:44:06,238 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2018-11-28 11:44:06,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:06,241 INFO L225 Difference]: With dead ends: 81 [2018-11-28 11:44:06,241 INFO L226 Difference]: Without dead ends: 60 [2018-11-28 11:44:06,242 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:44:06,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-28 11:44:06,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 52. [2018-11-28 11:44:06,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-28 11:44:06,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2018-11-28 11:44:06,249 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 51 [2018-11-28 11:44:06,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:06,249 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2018-11-28 11:44:06,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:44:06,249 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2018-11-28 11:44:06,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 11:44:06,250 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:06,250 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:06,251 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:06,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:06,251 INFO L82 PathProgramCache]: Analyzing trace with hash 850280592, now seen corresponding path program 1 times [2018-11-28 11:44:06,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:06,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:06,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:06,253 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:44:06,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:07,047 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:44:07,048 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:44:07,048 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:44:07,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:07,083 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:44:07,100 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-28 11:44:07,102 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:07,103 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:07,103 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-28 11:44:07,127 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:44:07,128 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:44:07,129 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-28 11:44:07,129 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:07,140 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:07,140 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-11-28 11:44:07,143 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 15 [2018-11-28 11:44:07,146 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-11-28 11:44:07,148 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:44:07,150 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-28 11:44:07,150 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:07,154 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:07,157 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:07,161 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:07,161 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:26, output treesize:26 [2018-11-28 11:44:07,201 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2018-11-28 11:44:07,207 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-11-28 11:44:07,208 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:07,214 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:07,220 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:44:07,221 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:48, output treesize:38 [2018-11-28 11:44:07,538 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-28 11:44:07,540 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-28 11:44:07,540 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:07,541 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:07,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:07,544 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2018-11-28 11:44:07,581 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2018-11-28 11:44:07,583 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:44:07,584 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:44:07,586 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2018-11-28 11:44:07,587 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:07,591 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:07,599 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:44:07,599 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:60, output treesize:45 [2018-11-28 11:44:08,173 WARN L854 $PredicateComparison]: unable to prove that (exists ((dll_update_at_~head.offset Int) (dll_update_at_~data Int)) (= |c_#memory_int| (let ((.cse0 (select (select |c_old(#memory_$Pointer$.base)| |c_dll_update_at_#in~head.base|) (+ |c_dll_update_at_#in~head.offset| 4)))) (store |c_old(#memory_int)| .cse0 (store (select |c_old(#memory_int)| .cse0) dll_update_at_~head.offset dll_update_at_~data))))) is different from true [2018-11-28 11:44:08,180 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2018-11-28 11:44:08,183 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:44:08,183 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 11:44:08,185 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2018-11-28 11:44:08,186 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:44:08,192 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-28 11:44:08,192 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:08,195 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:44:08,205 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-28 11:44:08,207 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-28 11:44:08,207 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:08,210 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:08,217 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:08,217 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:68, output treesize:17 [2018-11-28 11:44:08,464 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2018-11-28 11:44:08,467 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-11-28 11:44:08,468 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:08,475 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-28 11:44:08,475 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:08,478 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:08,481 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:08,481 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:35, output treesize:10 [2018-11-28 11:44:08,515 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-11-28 11:44:08,530 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:44:08,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 28] total 52 [2018-11-28 11:44:08,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-11-28 11:44:08,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-11-28 11:44:08,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=2396, Unknown=1, NotChecked=98, Total=2652 [2018-11-28 11:44:08,531 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand 52 states. [2018-11-28 11:44:14,818 WARN L180 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 32 DAG size of output: 16 [2018-11-28 11:44:18,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:18,874 INFO L93 Difference]: Finished difference Result 143 states and 181 transitions. [2018-11-28 11:44:18,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-11-28 11:44:18,876 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 52 [2018-11-28 11:44:18,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:18,877 INFO L225 Difference]: With dead ends: 143 [2018-11-28 11:44:18,877 INFO L226 Difference]: Without dead ends: 140 [2018-11-28 11:44:18,879 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 32 SyntacticMatches, 3 SemanticMatches, 95 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2316 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=668, Invalid=8438, Unknown=18, NotChecked=188, Total=9312 [2018-11-28 11:44:18,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-28 11:44:18,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 86. [2018-11-28 11:44:18,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-28 11:44:18,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2018-11-28 11:44:18,898 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 52 [2018-11-28 11:44:18,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:18,899 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2018-11-28 11:44:18,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-11-28 11:44:18,899 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2018-11-28 11:44:18,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 11:44:18,900 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:18,900 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:18,900 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:18,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:18,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1372027452, now seen corresponding path program 1 times [2018-11-28 11:44:18,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:18,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:18,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:18,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:18,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:18,954 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-28 11:44:18,955 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:44:18,955 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:44:18,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:18,997 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:44:19,019 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-28 11:44:19,035 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:44:19,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-11-28 11:44:19,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:44:19,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:44:19,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:44:19,036 INFO L87 Difference]: Start difference. First operand 86 states and 110 transitions. Second operand 8 states. [2018-11-28 11:44:19,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:19,092 INFO L93 Difference]: Finished difference Result 109 states and 137 transitions. [2018-11-28 11:44:19,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:44:19,093 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2018-11-28 11:44:19,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:19,094 INFO L225 Difference]: With dead ends: 109 [2018-11-28 11:44:19,094 INFO L226 Difference]: Without dead ends: 93 [2018-11-28 11:44:19,094 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:44:19,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-11-28 11:44:19,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 88. [2018-11-28 11:44:19,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-11-28 11:44:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 112 transitions. [2018-11-28 11:44:19,109 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 112 transitions. Word has length 53 [2018-11-28 11:44:19,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:19,109 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 112 transitions. [2018-11-28 11:44:19,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:44:19,109 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2018-11-28 11:44:19,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 11:44:19,112 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:19,112 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:19,112 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:19,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:19,113 INFO L82 PathProgramCache]: Analyzing trace with hash 993490241, now seen corresponding path program 2 times [2018-11-28 11:44:19,113 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:19,113 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:19,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:19,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:19,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:19,166 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 11:44:19,166 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:44:19,166 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:44:19,181 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 11:44:19,226 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 11:44:19,226 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 11:44:19,229 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:44:19,255 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 11:44:19,271 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:44:19,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2018-11-28 11:44:19,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:44:19,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:44:19,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:44:19,272 INFO L87 Difference]: Start difference. First operand 88 states and 112 transitions. Second operand 8 states. [2018-11-28 11:44:19,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:19,353 INFO L93 Difference]: Finished difference Result 131 states and 161 transitions. [2018-11-28 11:44:19,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:44:19,355 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2018-11-28 11:44:19,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:19,356 INFO L225 Difference]: With dead ends: 131 [2018-11-28 11:44:19,356 INFO L226 Difference]: Without dead ends: 90 [2018-11-28 11:44:19,356 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-11-28 11:44:19,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-11-28 11:44:19,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 84. [2018-11-28 11:44:19,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-11-28 11:44:19,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 101 transitions. [2018-11-28 11:44:19,370 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 101 transitions. Word has length 53 [2018-11-28 11:44:19,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:19,370 INFO L480 AbstractCegarLoop]: Abstraction has 84 states and 101 transitions. [2018-11-28 11:44:19,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:44:19,372 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2018-11-28 11:44:19,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 11:44:19,372 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:19,373 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:19,373 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:19,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:19,373 INFO L82 PathProgramCache]: Analyzing trace with hash -726983891, now seen corresponding path program 3 times [2018-11-28 11:44:19,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:19,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:19,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:19,374 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:44:19,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:19,426 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-28 11:44:19,427 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:44:19,427 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:44:19,442 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-28 11:44:19,544 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-28 11:44:19,544 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 11:44:19,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:44:19,591 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 11:44:19,616 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:44:19,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-11-28 11:44:19,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:44:19,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:44:19,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:44:19,617 INFO L87 Difference]: Start difference. First operand 84 states and 101 transitions. Second operand 8 states. [2018-11-28 11:44:19,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:19,668 INFO L93 Difference]: Finished difference Result 120 states and 141 transitions. [2018-11-28 11:44:19,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:44:19,668 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2018-11-28 11:44:19,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:19,669 INFO L225 Difference]: With dead ends: 120 [2018-11-28 11:44:19,669 INFO L226 Difference]: Without dead ends: 87 [2018-11-28 11:44:19,669 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:44:19,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-11-28 11:44:19,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 82. [2018-11-28 11:44:19,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-11-28 11:44:19,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 97 transitions. [2018-11-28 11:44:19,681 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 97 transitions. Word has length 53 [2018-11-28 11:44:19,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:19,681 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 97 transitions. [2018-11-28 11:44:19,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:44:19,681 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions. [2018-11-28 11:44:19,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 11:44:19,682 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:19,682 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:19,682 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:19,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:19,683 INFO L82 PathProgramCache]: Analyzing trace with hash 949466391, now seen corresponding path program 4 times [2018-11-28 11:44:19,683 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:19,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:19,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:19,684 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:44:19,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:19,738 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 11:44:19,738 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:44:19,738 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:44:19,754 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-28 11:44:19,785 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-28 11:44:19,785 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 11:44:19,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:44:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-28 11:44:19,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:44:19,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 10 [2018-11-28 11:44:19,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 11:44:19,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 11:44:19,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:44:19,835 INFO L87 Difference]: Start difference. First operand 82 states and 97 transitions. Second operand 10 states. [2018-11-28 11:44:19,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:19,891 INFO L93 Difference]: Finished difference Result 116 states and 132 transitions. [2018-11-28 11:44:19,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:44:19,892 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 61 [2018-11-28 11:44:19,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:19,893 INFO L225 Difference]: With dead ends: 116 [2018-11-28 11:44:19,893 INFO L226 Difference]: Without dead ends: 77 [2018-11-28 11:44:19,893 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-28 11:44:19,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-11-28 11:44:19,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 62. [2018-11-28 11:44:19,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-28 11:44:19,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2018-11-28 11:44:19,899 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 61 [2018-11-28 11:44:19,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:19,899 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2018-11-28 11:44:19,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 11:44:19,900 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2018-11-28 11:44:19,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-28 11:44:19,900 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:19,900 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:19,900 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:19,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:19,901 INFO L82 PathProgramCache]: Analyzing trace with hash -554830821, now seen corresponding path program 1 times [2018-11-28 11:44:19,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:19,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:19,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:19,902 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:44:19,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-28 11:44:19,945 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:44:19,945 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:44:19,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:19,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:44:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-28 11:44:20,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:44:20,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2018-11-28 11:44:20,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:44:20,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:44:20,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:44:20,034 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 7 states. [2018-11-28 11:44:20,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:20,144 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2018-11-28 11:44:20,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:44:20,144 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-11-28 11:44:20,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:20,145 INFO L225 Difference]: With dead ends: 72 [2018-11-28 11:44:20,145 INFO L226 Difference]: Without dead ends: 64 [2018-11-28 11:44:20,145 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:44:20,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-28 11:44:20,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-11-28 11:44:20,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-11-28 11:44:20,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2018-11-28 11:44:20,155 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 62 [2018-11-28 11:44:20,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:20,156 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2018-11-28 11:44:20,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:44:20,156 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2018-11-28 11:44:20,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 11:44:20,156 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:20,156 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:20,157 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:20,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:20,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1980808295, now seen corresponding path program 1 times [2018-11-28 11:44:20,157 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:20,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:20,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:20,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:20,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 11:44:20,820 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:44:20,820 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:44:20,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:20,853 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:44:20,879 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-28 11:44:20,879 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:20,880 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:20,881 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-28 11:44:20,922 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:44:20,923 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:44:20,923 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-28 11:44:20,924 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:20,927 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:20,927 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-11-28 11:44:20,954 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 15 [2018-11-28 11:44:20,956 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-11-28 11:44:20,958 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:44:20,960 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-28 11:44:20,960 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:20,964 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:20,967 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:20,972 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:20,972 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:26, output treesize:26 [2018-11-28 11:44:21,005 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2018-11-28 11:44:21,007 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-11-28 11:44:21,007 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:21,011 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:21,017 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:44:21,017 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:48, output treesize:38 [2018-11-28 11:44:21,262 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-11-28 11:44:21,263 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-11-28 11:44:21,264 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:21,264 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:21,268 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:44:21,268 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:19 [2018-11-28 11:44:21,832 WARN L854 $PredicateComparison]: unable to prove that (exists ((dll_update_at_~head.offset Int)) (and (<= dll_update_at_~head.offset |c_dll_update_at_#in~head.offset|) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_dll_update_at_#in~head.base| (store (select |c_old(#memory_$Pointer$.base)| |c_dll_update_at_#in~head.base|) dll_update_at_~head.offset (select (select |c_#memory_$Pointer$.base| |c_dll_update_at_#in~head.base|) dll_update_at_~head.offset)))))) is different from true [2018-11-28 11:44:21,839 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 44 [2018-11-28 11:44:21,841 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:44:21,842 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:44:21,843 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 11:44:21,847 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 55 [2018-11-28 11:44:21,847 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:21,856 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:21,865 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:44:21,865 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:62, output treesize:44 [2018-11-28 11:44:22,049 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 20 [2018-11-28 11:44:22,051 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-11-28 11:44:22,051 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:22,053 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:22,058 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:22,058 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:120, output treesize:110 [2018-11-28 11:44:22,111 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 113 [2018-11-28 11:44:22,114 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 1 [2018-11-28 11:44:22,115 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:22,122 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:22,143 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 87 [2018-11-28 11:44:22,154 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 27 [2018-11-28 11:44:22,154 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-28 11:44:22,162 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-28 11:44:22,180 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-28 11:44:22,180 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:152, output treesize:110 [2018-11-28 11:44:22,732 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 70 [2018-11-28 11:44:22,735 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 55 [2018-11-28 11:44:22,735 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:44:22,751 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 46 [2018-11-28 11:44:22,752 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:44:22,768 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2018-11-28 11:44:22,769 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:44:22,781 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-28 11:44:22,796 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-11-28 11:44:22,798 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-28 11:44:22,799 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:44:22,806 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2018-11-28 11:44:22,807 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:44:22,813 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-28 11:44:22,819 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44 [2018-11-28 11:44:22,821 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2018-11-28 11:44:22,822 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:44:22,839 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-11-28 11:44:22,839 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:44:22,860 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2018-11-28 11:44:22,861 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 11:44:22,872 INFO L267 ElimStorePlain]: Start of recursive call 9: 3 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-28 11:44:22,892 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-11-28 11:44:22,894 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-28 11:44:22,894 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:22,897 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:22,902 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2018-11-28 11:44:22,904 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2018-11-28 11:44:22,905 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:22,918 INFO L267 ElimStorePlain]: Start of recursive call 15: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:22,919 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2018-11-28 11:44:22,921 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-28 11:44:22,921 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-28 11:44:22,926 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:22,937 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 11:44:22,937 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 5 variables, input treesize:79, output treesize:7 [2018-11-28 11:44:22,977 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 2 not checked. [2018-11-28 11:44:22,992 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:44:22,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 30] total 54 [2018-11-28 11:44:22,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-11-28 11:44:22,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-11-28 11:44:22,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=2582, Unknown=2, NotChecked=102, Total=2862 [2018-11-28 11:44:22,994 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 54 states. [2018-11-28 11:44:26,004 WARN L180 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2018-11-28 11:44:27,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:27,203 INFO L93 Difference]: Finished difference Result 123 states and 134 transitions. [2018-11-28 11:44:27,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-11-28 11:44:27,203 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 63 [2018-11-28 11:44:27,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:27,204 INFO L225 Difference]: With dead ends: 123 [2018-11-28 11:44:27,204 INFO L226 Difference]: Without dead ends: 111 [2018-11-28 11:44:27,206 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 40 SyntacticMatches, 4 SemanticMatches, 91 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2050 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=648, Invalid=7722, Unknown=6, NotChecked=180, Total=8556 [2018-11-28 11:44:27,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-28 11:44:27,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 65. [2018-11-28 11:44:27,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-28 11:44:27,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2018-11-28 11:44:27,218 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 63 [2018-11-28 11:44:27,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:27,218 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2018-11-28 11:44:27,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-11-28 11:44:27,218 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2018-11-28 11:44:27,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 11:44:27,219 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:27,219 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:27,219 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:27,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:27,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1058530267, now seen corresponding path program 2 times [2018-11-28 11:44:27,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:27,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:27,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:27,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:27,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:27,280 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-28 11:44:27,280 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:44:27,280 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:44:27,294 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 11:44:27,327 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 11:44:27,327 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 11:44:27,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:44:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-28 11:44:27,367 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:44:27,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-11-28 11:44:27,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:44:27,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:44:27,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:44:27,368 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 7 states. [2018-11-28 11:44:27,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:27,416 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2018-11-28 11:44:27,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:44:27,416 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-28 11:44:27,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:27,417 INFO L225 Difference]: With dead ends: 65 [2018-11-28 11:44:27,417 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:44:27,417 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:44:27,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:44:27,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:44:27,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:44:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:44:27,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-11-28 11:44:27,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:27,418 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:44:27,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:44:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:44:27,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:44:27,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:44:27,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:27,817 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 47 [2018-11-28 11:44:28,026 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 46 [2018-11-28 11:44:28,163 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 43 [2018-11-28 11:44:28,403 INFO L444 ceAbstractionStarter]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse3 (= |#memory_int| |old(#memory_int)|)) (.cse2 (<= (+ dll_update_at_~index 1) |dll_update_at_#in~index|)) (.cse4 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (let ((.cse0 (and .cse3 .cse2 .cse4 (<= 2 |dll_update_at_#in~index|))) (.cse1 (+ |dll_update_at_#in~head.offset| 4)) (.cse6 (= dll_update_at_~data |dll_update_at_#in~data|)) (.cse7 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse5 (<= |dll_update_at_#in~index| dll_update_at_~index))) (and (or .cse0 (and (<= 1 |dll_update_at_#in~index|) (= dll_update_at_~head.base (select (select |old(#memory_$Pointer$.base)| |dll_update_at_#in~head.base|) .cse1)) .cse2 .cse3 .cse4) (and (= |dll_update_at_#in~head.base| dll_update_at_~head.base) (<= dll_update_at_~index |dll_update_at_#in~index|) .cse3 .cse5 .cse4 .cse6 .cse7 (= dll_update_at_~head.offset |dll_update_at_#in~head.offset|))) (or .cse0 (and (= (select (select |#memory_$Pointer$.offset| |dll_update_at_#in~head.base|) .cse1) dll_update_at_~head.offset) .cse6 .cse7) .cse5)))) [2018-11-28 11:44:28,403 INFO L448 ceAbstractionStarter]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2018-11-28 11:44:28,403 INFO L444 ceAbstractionStarter]: At program point dll_update_atENTRY(lines 606 612) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2018-11-28 11:44:28,403 INFO L448 ceAbstractionStarter]: For program point dll_update_atEXIT(lines 606 612) no Hoare annotation was computed. [2018-11-28 11:44:28,403 INFO L448 ceAbstractionStarter]: For program point dll_update_atFINAL(lines 606 612) no Hoare annotation was computed. [2018-11-28 11:44:28,403 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:44:28,403 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:44:28,403 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:44:28,403 INFO L451 ceAbstractionStarter]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2018-11-28 11:44:28,403 INFO L448 ceAbstractionStarter]: For program point myexitFINAL(lines 561 563) no Hoare annotation was computed. [2018-11-28 11:44:28,403 INFO L448 ceAbstractionStarter]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2018-11-28 11:44:28,403 INFO L451 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2018-11-28 11:44:28,403 INFO L448 ceAbstractionStarter]: For program point L578-1(lines 578 580) no Hoare annotation was computed. [2018-11-28 11:44:28,404 INFO L444 ceAbstractionStarter]: At program point dll_createENTRY(lines 574 591) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2018-11-28 11:44:28,404 INFO L444 ceAbstractionStarter]: At program point L576-2(lines 576 589) the Hoare annotation is: (let ((.cse3 (= dll_create_~head~0.offset 0)) (.cse0 (= (select |#valid| dll_create_~head~0.base) 1)) (.cse1 (= (select |#valid| dll_create_~new_head~0.base) 1)) (.cse2 (= 0 dll_create_~new_head~0.offset))) (or (and .cse0 (not (= (select (select |#memory_$Pointer$.base| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 4)) dll_create_~new_head~0.base)) (not (= (select (select |#memory_$Pointer$.base| dll_create_~head~0.base) (+ 0 4)) dll_create_~head~0.base)) .cse1 (= 0 dll_create_~head~0.offset) .cse2) (and (= dll_create_~head~0.base 0) (<= |dll_create_#in~len| dll_create_~len) .cse3 (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and .cse3 .cse0 (<= |dll_create_#in~len| (+ dll_create_~len 1)) .cse1 .cse2))) [2018-11-28 11:44:28,404 INFO L448 ceAbstractionStarter]: For program point L576-3(lines 576 589) no Hoare annotation was computed. [2018-11-28 11:44:28,404 INFO L448 ceAbstractionStarter]: For program point dll_createFINAL(lines 574 591) no Hoare annotation was computed. [2018-11-28 11:44:28,404 INFO L451 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2018-11-28 11:44:28,404 INFO L448 ceAbstractionStarter]: For program point dll_createEXIT(lines 574 591) no Hoare annotation was computed. [2018-11-28 11:44:28,404 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 586) no Hoare annotation was computed. [2018-11-28 11:44:28,404 INFO L448 ceAbstractionStarter]: For program point L584-2(lines 584 586) no Hoare annotation was computed. [2018-11-28 11:44:28,404 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 580) no Hoare annotation was computed. [2018-11-28 11:44:28,404 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:44:28,404 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 11:44:28,404 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:44:28,404 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:44:28,405 INFO L444 ceAbstractionStarter]: At program point L600-2(lines 600 603) the Hoare annotation is: (let ((.cse0 (<= (+ dll_get_data_at_~index 1) |dll_get_data_at_#in~index|))) (or (and .cse0 (and (or (not (= |dll_get_data_at_#in~head.offset| 0)) (let ((.cse1 (+ (- 0) 4))) (and (= dll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_get_data_at_#in~head.base|) .cse1)) (= dll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |dll_get_data_at_#in~head.base|) .cse1))))) (<= 1 |dll_get_data_at_#in~index|))) (and (<= |dll_get_data_at_#in~index| dll_get_data_at_~index) (<= dll_get_data_at_~index |dll_get_data_at_#in~index|) (and (= dll_get_data_at_~head.offset |dll_get_data_at_#in~head.offset|) (= dll_get_data_at_~head.base |dll_get_data_at_#in~head.base|))) (and (<= 2 |dll_get_data_at_#in~index|) .cse0))) [2018-11-28 11:44:28,405 INFO L448 ceAbstractionStarter]: For program point L600-3(lines 600 603) no Hoare annotation was computed. [2018-11-28 11:44:28,405 INFO L448 ceAbstractionStarter]: For program point dll_get_data_atFINAL(lines 599 605) no Hoare annotation was computed. [2018-11-28 11:44:28,405 INFO L451 ceAbstractionStarter]: At program point dll_get_data_atENTRY(lines 599 605) the Hoare annotation is: true [2018-11-28 11:44:28,405 INFO L448 ceAbstractionStarter]: For program point dll_get_data_atEXIT(lines 599 605) no Hoare annotation was computed. [2018-11-28 11:44:28,405 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 613 632) no Hoare annotation was computed. [2018-11-28 11:44:28,405 INFO L448 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2018-11-28 11:44:28,405 INFO L444 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: (let ((.cse8 (+ 0 4))) (let ((.cse7 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse8))) (let ((.cse6 (select (select |#memory_int| .cse7) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse8)))) (let ((.cse0 (= 0 main_~s~0.offset)) (.cse1 (<= .cse6 (+ main_~len~0 1))) (.cse2 (<= (* 2 main_~len~0) (+ .cse6 1))) (.cse5 (not (= .cse7 main_~s~0.base)))) (or (and .cse0 .cse1 .cse2 (let ((.cse4 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (let ((.cse3 (+ main_~i~0 .cse4))) (and (<= main_~expected~0 .cse3) (<= .cse4 main_~len~0) (<= .cse3 main_~expected~0) (<= main_~len~0 .cse4) (<= 2 main_~len~0) (= main_~i~0 0)))) .cse5) (and .cse0 (<= 1 main_~i~0) (<= (+ main_~i~0 .cse6) (+ main_~expected~0 1)) .cse1 .cse2 (= main_~len~0 2) (<= main_~expected~0 .cse6) .cse5)))))) [2018-11-28 11:44:28,405 INFO L448 ceAbstractionStarter]: For program point L624-1(line 624) no Hoare annotation was computed. [2018-11-28 11:44:28,405 INFO L448 ceAbstractionStarter]: For program point L624-2(lines 624 626) no Hoare annotation was computed. [2018-11-28 11:44:28,405 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 613 632) no Hoare annotation was computed. [2018-11-28 11:44:28,405 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse5 (+ main_~i~0 2))) (let ((.cse1 (= 0 main_~s~0.offset)) (.cse2 (<= main_~new_data~0 .cse5)) (.cse3 (<= .cse5 main_~new_data~0)) (.cse4 (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ 0 4)) main_~s~0.base)))) (or (and (and (let ((.cse0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and (<= (+ main_~i~0 1) .cse0) .cse1 (<= 1 main_~i~0) (<= .cse0 main_~len~0) .cse2 .cse3)) .cse4) (<= main_~len~0 2)) (and (and .cse1 .cse2 .cse3) (= main_~len~0 2) (= main_~i~0 0) .cse4)))) [2018-11-28 11:44:28,405 INFO L448 ceAbstractionStarter]: For program point L622-2(lines 622 627) no Hoare annotation was computed. [2018-11-28 11:44:28,406 INFO L448 ceAbstractionStarter]: For program point L620-1(lines 618 621) no Hoare annotation was computed. [2018-11-28 11:44:28,406 INFO L444 ceAbstractionStarter]: At program point L622-3(lines 622 627) the Hoare annotation is: (let ((.cse8 (+ 0 4))) (let ((.cse6 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse8))) (let ((.cse7 (select (select |#memory_int| .cse6) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse8)))) (let ((.cse2 (= 0 main_~s~0.offset)) (.cse3 (<= .cse7 (+ main_~len~0 1))) (.cse4 (<= (* 2 main_~len~0) (+ .cse7 1))) (.cse0 (<= 2 main_~len~0)) (.cse5 (not (= .cse6 main_~s~0.base)))) (or (and (<= 2 main_~i~0) (<= main_~len~0 2) .cse0) (and (let ((.cse1 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and (<= .cse1 main_~len~0) (<= main_~len~0 .cse1))) .cse2 .cse3 .cse4 (= main_~len~0 2) (= main_~i~0 0) .cse5) (and .cse2 (<= 1 main_~i~0) .cse3 .cse4 .cse0 .cse5)))))) [2018-11-28 11:44:28,406 INFO L444 ceAbstractionStarter]: At program point L622-4(lines 622 627) the Hoare annotation is: (<= 2 main_~len~0) [2018-11-28 11:44:28,406 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= main_~len~0 2) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2018-11-28 11:44:28,406 INFO L444 ceAbstractionStarter]: At program point L618-2(lines 618 621) the Hoare annotation is: (let ((.cse7 (+ 0 4))) (let ((.cse6 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse7))) (let ((.cse2 (= main_~len~0 2)) (.cse0 (= 0 main_~s~0.offset)) (.cse3 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse1 (not (= .cse6 main_~s~0.base)))) (or (and (and .cse0 .cse1) .cse2 (= main_~i~0 0)) (and (let ((.cse4 (+ main_~i~0 1))) (and (<= .cse3 .cse4) (<= .cse4 .cse3) .cse0 (<= 1 main_~i~0) (<= main_~i~0 1) .cse1)) .cse2) (and (let ((.cse5 (select (select |#memory_int| .cse6) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse7)))) (and .cse0 (and (<= 2 main_~i~0) (<= .cse3 main_~len~0) (<= main_~i~0 .cse3)) (<= (+ main_~i~0 main_~len~0) (+ .cse5 1)) (<= .cse5 (+ main_~len~0 1)) .cse1)) (<= main_~len~0 2)))))) [2018-11-28 11:44:28,406 INFO L448 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2018-11-28 11:44:28,406 INFO L448 ceAbstractionStarter]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2018-11-28 11:44:28,406 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 613 632) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2018-11-28 11:44:28,406 INFO L444 ceAbstractionStarter]: At program point L625(lines 613 632) the Hoare annotation is: false [2018-11-28 11:44:28,406 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2018-11-28 11:44:28,407 INFO L448 ceAbstractionStarter]: For program point dll_destroyEXIT(lines 592 598) no Hoare annotation was computed. [2018-11-28 11:44:28,407 INFO L451 ceAbstractionStarter]: At program point dll_destroyENTRY(lines 592 598) the Hoare annotation is: true [2018-11-28 11:44:28,407 INFO L451 ceAbstractionStarter]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2018-11-28 11:44:28,407 INFO L448 ceAbstractionStarter]: For program point L593-3(lines 592 598) no Hoare annotation was computed. [2018-11-28 11:44:28,415 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,416 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,416 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,416 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,416 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,416 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,417 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,418 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,419 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,419 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,419 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,419 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,419 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,419 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,419 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,420 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,420 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,420 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,420 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,420 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,421 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,422 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,422 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,422 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,422 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,422 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,423 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,423 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,423 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,423 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,424 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,424 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,424 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,424 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,424 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,424 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,424 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,425 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,425 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,425 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,426 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,427 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,427 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,427 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,427 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,427 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,427 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,428 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,428 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,428 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,428 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,428 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,428 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,429 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,429 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,429 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,429 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,429 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,429 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,430 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,430 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,430 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,430 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,430 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,430 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,430 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,431 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,431 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,431 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,431 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,431 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,431 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,431 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,431 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,432 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,432 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,432 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,432 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,433 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,433 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,433 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,433 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,433 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,433 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,434 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,434 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,434 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,434 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,434 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,434 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,435 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,435 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,435 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,435 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,435 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,435 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,435 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,436 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,436 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,436 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,436 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,436 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,436 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,436 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,437 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,437 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,437 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,437 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,437 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,437 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,437 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,437 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,439 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,439 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,439 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,439 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,440 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,440 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,440 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,440 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,441 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,441 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,442 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,442 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,442 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,442 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,442 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,443 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,443 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,443 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,443 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,443 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,443 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,443 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,444 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,444 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,444 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,444 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,444 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,445 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,445 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,445 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,445 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,445 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,445 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,446 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,446 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,446 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,446 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,447 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,447 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,447 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,447 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,447 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,448 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,448 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,448 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,448 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,448 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,448 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,449 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,449 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,449 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,449 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,449 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,449 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,450 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,450 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,450 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,450 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,450 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,451 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,451 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,451 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,451 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,452 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,453 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,453 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,453 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,453 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,453 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,454 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,454 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,454 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,454 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,454 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,454 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,455 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,455 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,455 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,455 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,455 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,455 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,455 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,456 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:44:28 BoogieIcfgContainer [2018-11-28 11:44:28,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:44:28,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:44:28,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:44:28,458 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:44:28,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:44:04" (3/4) ... [2018-11-28 11:44:28,461 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:44:28,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dll_update_at [2018-11-28 11:44:28,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:44:28,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure myexit [2018-11-28 11:44:28,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dll_create [2018-11-28 11:44:28,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dll_get_data_at [2018-11-28 11:44:28,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:44:28,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dll_destroy [2018-11-28 11:44:28,471 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-28 11:44:28,471 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 11:44:28,471 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:44:28,494 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\valid[head] == 1 && !(#memory_$Pointer$[new_head][new_head + 4] == new_head)) && !(#memory_$Pointer$[head][0 + 4] == head)) && \valid[new_head] == 1) && 0 == head) && 0 == new_head) || (((((head == 0 && \old(len) <= len) && head == 0) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || ((((head == 0 && \valid[head] == 1) && \old(len) <= len + 1) && \valid[new_head] == 1) && 0 == new_head) [2018-11-28 11:44:28,494 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && 2 <= \old(index)) || ((((1 <= \old(index) && head == \old(#memory_$Pointer$)[head][head + 4]) && index + 1 <= \old(index)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || (((((((head == head && index <= \old(index)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && \old(index) <= index) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && head == head)) && (((((unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && 2 <= \old(index)) || ((#memory_$Pointer$[head][head + 4] == head && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || \old(index) <= index) [2018-11-28 11:44:28,494 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((index + 1 <= \old(index) && (!(head == 0) || (head == #memory_$Pointer$[head][-0 + 4] && head == #memory_$Pointer$[head][-0 + 4])) && 1 <= \old(index)) || ((\old(index) <= index && index <= \old(index)) && head == head && head == head)) || (2 <= \old(index) && index + 1 <= \old(index)) [2018-11-28 11:44:28,507 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9271ce30-cb03-4b48-bdda-f3b6fe73faa6/bin-2019/uautomizer/witness.graphml [2018-11-28 11:44:28,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:44:28,508 INFO L168 Benchmark]: Toolchain (without parser) took 24567.81 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -133.9 MB). Peak memory consumption was 140.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:44:28,509 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-28 11:44:28,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:44:28,509 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:44:28,509 INFO L168 Benchmark]: Boogie Preprocessor took 25.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:44:28,510 INFO L168 Benchmark]: RCFGBuilder took 318.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:44:28,510 INFO L168 Benchmark]: TraceAbstraction took 23805.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 141.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.7 MB). Peak memory consumption was 362.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:44:28,510 INFO L168 Benchmark]: Witness Printer took 50.24 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:44:28,511 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 341.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 318.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23805.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 141.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.7 MB). Peak memory consumption was 362.8 MB. Max. memory is 11.5 GB. * Witness Printer took 50.24 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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 #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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 #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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 #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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 #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 630]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant [2018-11-28 11:44:28,517 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,517 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,517 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,517 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,517 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,518 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,518 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,518 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,518 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,518 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,518 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,518 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,519 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,519 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,519 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,519 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,519 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,519 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,519 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,519 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,520 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,520 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,520 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,520 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,520 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,521 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,521 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,521 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,521 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,521 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,521 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,521 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,522 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,522 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,522 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,522 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,522 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,522 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,522 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,522 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((0 == s && !(#memory_$Pointer$[s][0 + 4] == s)) && len == 2) && i == 0) || ((((((unknown-#memory_int-unknown[s][s] <= i + 1 && i + 1 <= unknown-#memory_int-unknown[s][s]) && 0 == s) && 1 <= i) && i <= 1) && !(#memory_$Pointer$[s][0 + 4] == s)) && len == 2)) || (((((0 == s && (2 <= i && unknown-#memory_int-unknown[s][s] <= len) && i <= unknown-#memory_int-unknown[s][s]) && i + len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][0 + 4]][#memory_$Pointer$[s][0 + 4]] + 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][0 + 4]][#memory_$Pointer$[s][0 + 4]] <= len + 1) && !(#memory_$Pointer$[s][0 + 4] == s)) && len <= 2) - InvariantResult [Line: 607]: Loop Invariant [2018-11-28 11:44:28,523 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,523 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,523 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,523 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,523 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,523 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,524 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,524 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,524 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,524 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,524 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,524 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,524 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,524 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,525 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,525 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,525 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,525 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,525 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,525 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,525 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,525 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,525 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,526 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,526 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,526 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,526 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,526 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,526 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,526 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,526 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,526 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,527 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,527 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,527 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,527 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,527 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,527 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,528 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,528 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,528 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,528 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,528 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,528 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,528 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,528 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,528 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,529 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,529 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,529 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,529 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,529 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,529 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,529 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,529 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,530 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,530 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,530 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,530 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,530 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,530 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,530 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,530 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,530 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,531 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,531 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,531 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,531 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,531 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,531 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,531 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,531 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && 2 <= \old(index)) || ((((1 <= \old(index) && head == \old(#memory_$Pointer$)[head][head + 4]) && index + 1 <= \old(index)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || (((((((head == head && index <= \old(index)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && \old(index) <= index) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && head == head)) && (((((unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && 2 <= \old(index)) || ((#memory_$Pointer$[head][head + 4] == head && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || \old(index) <= index) - InvariantResult [Line: 600]: Loop Invariant [2018-11-28 11:44:28,532 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,532 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,532 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,532 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,532 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,533 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,533 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,533 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((index + 1 <= \old(index) && (!(head == 0) || (head == #memory_$Pointer$[head][-0 + 4] && head == #memory_$Pointer$[head][-0 + 4])) && 1 <= \old(index)) || ((\old(index) <= index && index <= \old(index)) && head == head && head == head)) || (2 <= \old(index) && index + 1 <= \old(index)) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant [2018-11-28 11:44:28,533 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,533 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,534 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,534 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,534 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,534 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,534 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,534 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,534 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,534 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,535 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,535 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,535 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,535 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,535 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,535 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,536 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,536 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,536 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,536 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,536 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,536 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,536 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,536 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,537 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,537 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,537 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,537 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((\valid[head] == 1 && !(#memory_$Pointer$[new_head][new_head + 4] == new_head)) && !(#memory_$Pointer$[head][0 + 4] == head)) && \valid[new_head] == 1) && 0 == head) && 0 == new_head) || (((((head == 0 && \old(len) <= len) && head == 0) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || ((((head == 0 && \valid[head] == 1) && \old(len) <= len + 1) && \valid[new_head] == 1) && 0 == new_head) - InvariantResult [Line: 622]: Loop Invariant [2018-11-28 11:44:28,537 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,537 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,537 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,538 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,538 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,538 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,538 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,538 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,538 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,538 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,539 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,539 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,539 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,539 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,539 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,539 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,539 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,539 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,540 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,540 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,540 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,540 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,540 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,540 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,540 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,540 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,541 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,541 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,541 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,541 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,541 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,541 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,542 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,542 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,542 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-28 11:44:28,542 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-28 11:44:28,542 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,542 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,542 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,543 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,543 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,543 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,543 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,543 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,543 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,543 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,543 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,544 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,544 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 11:44:28,544 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,544 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-28 11:44:28,544 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((2 <= i && len <= 2) && 2 <= len) || (((((((unknown-#memory_int-unknown[s][s] <= len && len <= unknown-#memory_int-unknown[s][s]) && 0 == s) && unknown-#memory_int-unknown[#memory_$Pointer$[s][0 + 4]][#memory_$Pointer$[s][0 + 4]] <= len + 1) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][0 + 4]][#memory_$Pointer$[s][0 + 4]] + 1) && len == 2) && i == 0) && !(#memory_$Pointer$[s][0 + 4] == s))) || (((((0 == s && 1 <= i) && unknown-#memory_int-unknown[#memory_$Pointer$[s][0 + 4]][#memory_$Pointer$[s][0 + 4]] <= len + 1) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][0 + 4]][#memory_$Pointer$[s][0 + 4]] + 1) && 2 <= len) && !(#memory_$Pointer$[s][0 + 4] == s)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 53 locations, 1 error locations. SAFE Result, 23.7s OverallTime, 14 OverallIterations, 3 TraceHistogramMax, 15.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 553 SDtfs, 663 SDslu, 2699 SDs, 0 SdLazy, 4474 SolverSat, 365 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 814 GetRequests, 545 SyntacticMatches, 7 SemanticMatches, 262 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 4401 ImplicationChecksByTransitivity, 16.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=8, traceCheckStatistics: No data available, 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: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 173 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 72 PreInvPairs, 102 NumberOfFragments, 878 HoareAnnotationTreeSize, 72 FomulaSimplifications, 9460 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 22 FomulaSimplificationsInter, 3025 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 1260 NumberOfCodeBlocks, 1257 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1235 ConstructedInterpolants, 42 QuantifiedInterpolants, 357999 SizeOfPredicates, 67 NumberOfNonLiveVariables, 2568 ConjunctsInSsa, 224 ConjunctsInUnsatCore, 25 InterpolantComputations, 6 PerfectInterpolantSequences, 375/490 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...