./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2n_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_update_all.i -s /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff1c7523090f73a9df023efb85afad63615b4167 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 09:15:22,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 09:15:22,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 09:15:22,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 09:15:22,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 09:15:22,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 09:15:22,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 09:15:22,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 09:15:22,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 09:15:22,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 09:15:22,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 09:15:22,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 09:15:22,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 09:15:22,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 09:15:22,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 09:15:22,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 09:15:22,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 09:15:22,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 09:15:22,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 09:15:22,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 09:15:22,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 09:15:22,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 09:15:22,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 09:15:22,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 09:15:22,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 09:15:22,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 09:15:22,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 09:15:22,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 09:15:22,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 09:15:22,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 09:15:22,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 09:15:22,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 09:15:22,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 09:15:22,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 09:15:22,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 09:15:22,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 09:15:22,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 09:15:22,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 09:15:22,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 09:15:22,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 09:15:22,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 09:15:22,240 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 09:15:22,257 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 09:15:22,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 09:15:22,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 09:15:22,258 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 09:15:22,258 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 09:15:22,258 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 09:15:22,258 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 09:15:22,259 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 09:15:22,259 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 09:15:22,259 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 09:15:22,259 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 09:15:22,259 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 09:15:22,259 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 09:15:22,259 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 09:15:22,259 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 09:15:22,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 09:15:22,260 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 09:15:22,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 09:15:22,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 09:15:22,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 09:15:22,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 09:15:22,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 09:15:22,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 09:15:22,261 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 09:15:22,261 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 09:15:22,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 09:15:22,261 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 09:15:22,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 09:15:22,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 09:15:22,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 09:15:22,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 09:15:22,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 09:15:22,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 09:15:22,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 09:15:22,262 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 09:15:22,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 09:15:22,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 09:15:22,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 09:15:22,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 09:15:22,263 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff1c7523090f73a9df023efb85afad63615b4167 [2020-12-09 09:15:22,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 09:15:22,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 09:15:22,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 09:15:22,460 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 09:15:22,461 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 09:15:22,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/../../sv-benchmarks/c/list-simple/dll2n_update_all.i [2020-12-09 09:15:22,502 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/data/368349525/62d5811deb224d34b33d65f61966e993/FLAGc54090613 [2020-12-09 09:15:22,895 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 09:15:22,895 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/sv-benchmarks/c/list-simple/dll2n_update_all.i [2020-12-09 09:15:22,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/data/368349525/62d5811deb224d34b33d65f61966e993/FLAGc54090613 [2020-12-09 09:15:22,914 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/data/368349525/62d5811deb224d34b33d65f61966e993 [2020-12-09 09:15:22,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 09:15:22,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 09:15:22,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 09:15:22,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 09:15:22,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 09:15:22,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:15:22" (1/1) ... [2020-12-09 09:15:22,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586e3968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:22, skipping insertion in model container [2020-12-09 09:15:22,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:15:22" (1/1) ... [2020-12-09 09:15:22,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 09:15:22,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 09:15:23,143 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/sv-benchmarks/c/list-simple/dll2n_update_all.i[24455,24468] [2020-12-09 09:15:23,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:15:23,151 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 09:15:23,179 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/sv-benchmarks/c/list-simple/dll2n_update_all.i[24455,24468] [2020-12-09 09:15:23,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:15:23,216 INFO L208 MainTranslator]: Completed translation [2020-12-09 09:15:23,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:23 WrapperNode [2020-12-09 09:15:23,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 09:15:23,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 09:15:23,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 09:15:23,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 09:15:23,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:23" (1/1) ... [2020-12-09 09:15:23,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:23" (1/1) ... [2020-12-09 09:15:23,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 09:15:23,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 09:15:23,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 09:15:23,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 09:15:23,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:23" (1/1) ... [2020-12-09 09:15:23,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:23" (1/1) ... [2020-12-09 09:15:23,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:23" (1/1) ... [2020-12-09 09:15:23,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:23" (1/1) ... [2020-12-09 09:15:23,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:23" (1/1) ... [2020-12-09 09:15:23,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:23" (1/1) ... [2020-12-09 09:15:23,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:23" (1/1) ... [2020-12-09 09:15:23,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 09:15:23,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 09:15:23,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 09:15:23,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 09:15:23,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/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 [2020-12-09 09:15:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 09:15:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 09:15:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 09:15:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-09 09:15:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 09:15:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-09 09:15:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 09:15:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 09:15:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 09:15:23,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 09:15:23,745 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 09:15:23,745 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2020-12-09 09:15:23,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:15:23 BoogieIcfgContainer [2020-12-09 09:15:23,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 09:15:23,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 09:15:23,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 09:15:23,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 09:15:23,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:15:22" (1/3) ... [2020-12-09 09:15:23,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38acb25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:15:23, skipping insertion in model container [2020-12-09 09:15:23,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:23" (2/3) ... [2020-12-09 09:15:23,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38acb25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:15:23, skipping insertion in model container [2020-12-09 09:15:23,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:15:23" (3/3) ... [2020-12-09 09:15:23,753 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2n_update_all.i [2020-12-09 09:15:23,763 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 09:15:23,765 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 09:15:23,773 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 09:15:23,789 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 09:15:23,790 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 09:15:23,790 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 09:15:23,790 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 09:15:23,790 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 09:15:23,790 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 09:15:23,790 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 09:15:23,790 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 09:15:23,798 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-12-09 09:15:23,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 09:15:23,801 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:15:23,802 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:15:23,802 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:15:23,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:15:23,806 INFO L82 PathProgramCache]: Analyzing trace with hash 73302926, now seen corresponding path program 1 times [2020-12-09 09:15:23,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:15:23,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607680135] [2020-12-09 09:15:23,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:15:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:15:23,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:15:23,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607680135] [2020-12-09 09:15:23,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:15:23,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:15:23,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814701334] [2020-12-09 09:15:23,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:15:23,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:15:23,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:15:23,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:15:23,947 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. [2020-12-09 09:15:23,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:15:23,981 INFO L93 Difference]: Finished difference Result 27 states and 41 transitions. [2020-12-09 09:15:23,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:15:23,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-09 09:15:23,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:15:23,989 INFO L225 Difference]: With dead ends: 27 [2020-12-09 09:15:23,989 INFO L226 Difference]: Without dead ends: 12 [2020-12-09 09:15:23,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:15:24,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-12-09 09:15:24,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2020-12-09 09:15:24,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-12-09 09:15:24,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2020-12-09 09:15:24,016 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 15 transitions. Word has length 7 [2020-12-09 09:15:24,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:15:24,016 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 15 transitions. [2020-12-09 09:15:24,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:15:24,016 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2020-12-09 09:15:24,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 09:15:24,017 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:15:24,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:15:24,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 09:15:24,017 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:15:24,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:15:24,018 INFO L82 PathProgramCache]: Analyzing trace with hash -401203551, now seen corresponding path program 1 times [2020-12-09 09:15:24,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:15:24,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203524855] [2020-12-09 09:15:24,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:15:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:15:24,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:15:24,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203524855] [2020-12-09 09:15:24,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179521530] [2020-12-09 09:15:24,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:15:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:15:24,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 09:15:24,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:15:24,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:15:24,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:15:24,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:15:24,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1216652652] [2020-12-09 09:15:24,222 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2020-12-09 09:15:24,223 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 09:15:24,226 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 09:15:24,230 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 09:15:24,230 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 09:15:24,471 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:25,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:25,172 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:25,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:25,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:25,988 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:26,456 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 09:15:27,037 WARN L197 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 98 [2020-12-09 09:15:27,150 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2020-12-09 09:15:27,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-12-09 09:15:27,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3, 3, 3] total 7 [2020-12-09 09:15:27,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781516573] [2020-12-09 09:15:27,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 09:15:27,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:15:27,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 09:15:27,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-12-09 09:15:27,153 INFO L87 Difference]: Start difference. First operand 11 states and 15 transitions. Second operand 5 states. [2020-12-09 09:15:27,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:15:27,235 INFO L93 Difference]: Finished difference Result 18 states and 25 transitions. [2020-12-09 09:15:27,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 09:15:27,235 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-12-09 09:15:27,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:15:27,236 INFO L225 Difference]: With dead ends: 18 [2020-12-09 09:15:27,236 INFO L226 Difference]: Without dead ends: 13 [2020-12-09 09:15:27,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-12-09 09:15:27,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-12-09 09:15:27,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2020-12-09 09:15:27,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-12-09 09:15:27,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2020-12-09 09:15:27,239 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 16 transitions. Word has length 9 [2020-12-09 09:15:27,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:15:27,239 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-12-09 09:15:27,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 09:15:27,239 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2020-12-09 09:15:27,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 09:15:27,240 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:15:27,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:15:27,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 09:15:27,441 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:15:27,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:15:27,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1970333447, now seen corresponding path program 1 times [2020-12-09 09:15:27,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:15:27,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820829024] [2020-12-09 09:15:27,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:15:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:15:27,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 09:15:27,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820829024] [2020-12-09 09:15:27,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200286559] [2020-12-09 09:15:27,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:15:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:15:27,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 09:15:27,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:15:27,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 09:15:27,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:15:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 09:15:27,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [284150365] [2020-12-09 09:15:27,585 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2020-12-09 09:15:27,585 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 09:15:27,585 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 09:15:27,585 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 09:15:27,586 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 09:15:27,695 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:28,216 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:28,227 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:28,664 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:28,988 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:29,015 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:29,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:29,568 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:29,709 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 09:15:30,282 WARN L197 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 103 [2020-12-09 09:15:30,750 WARN L197 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 95 [2020-12-09 09:15:31,096 WARN L197 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 85 [2020-12-09 09:15:31,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-12-09 09:15:31,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3, 3, 3] total 8 [2020-12-09 09:15:31,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824315010] [2020-12-09 09:15:31,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 09:15:31,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:15:31,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 09:15:31,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-09 09:15:31,098 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. Second operand 6 states. [2020-12-09 09:15:31,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:15:31,237 INFO L93 Difference]: Finished difference Result 19 states and 26 transitions. [2020-12-09 09:15:31,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 09:15:31,237 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-12-09 09:15:31,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:15:31,238 INFO L225 Difference]: With dead ends: 19 [2020-12-09 09:15:31,238 INFO L226 Difference]: Without dead ends: 14 [2020-12-09 09:15:31,238 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-09 09:15:31,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-12-09 09:15:31,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2020-12-09 09:15:31,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-12-09 09:15:31,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2020-12-09 09:15:31,242 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 18 transitions. Word has length 11 [2020-12-09 09:15:31,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:15:31,242 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 18 transitions. [2020-12-09 09:15:31,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 09:15:31,242 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2020-12-09 09:15:31,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 09:15:31,242 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:15:31,242 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:15:31,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2020-12-09 09:15:31,444 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:15:31,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:15:31,446 INFO L82 PathProgramCache]: Analyzing trace with hash -2106720172, now seen corresponding path program 1 times [2020-12-09 09:15:31,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:15:31,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683517786] [2020-12-09 09:15:31,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:15:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:15:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 09:15:31,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683517786] [2020-12-09 09:15:31,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414892756] [2020-12-09 09:15:31,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:15:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:15:31,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 09:15:31,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:15:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 09:15:31,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:15:31,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 09:15:31,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [68300628] [2020-12-09 09:15:31,570 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2020-12-09 09:15:31,570 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 09:15:31,571 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 09:15:31,571 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 09:15:31,571 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 09:15:31,663 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:31,674 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:31,703 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:31,887 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:31,967 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:32,296 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:32,450 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:32,457 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:33,016 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 09:15:33,208 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-12-09 09:15:33,720 WARN L197 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2020-12-09 09:15:33,839 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2020-12-09 09:15:34,038 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 65 [2020-12-09 09:15:34,266 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 81 [2020-12-09 09:15:34,518 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 92 [2020-12-09 09:15:34,520 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 09:15:34,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 09:15:34,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2020-12-09 09:15:34,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893903991] [2020-12-09 09:15:34,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 09:15:34,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:15:34,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 09:15:34,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-12-09 09:15:34,521 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. Second operand 5 states. [2020-12-09 09:15:34,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:15:34,561 INFO L93 Difference]: Finished difference Result 24 states and 34 transitions. [2020-12-09 09:15:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 09:15:34,562 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-12-09 09:15:34,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:15:34,562 INFO L225 Difference]: With dead ends: 24 [2020-12-09 09:15:34,562 INFO L226 Difference]: Without dead ends: 15 [2020-12-09 09:15:34,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-12-09 09:15:34,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-12-09 09:15:34,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-12-09 09:15:34,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-09 09:15:34,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2020-12-09 09:15:34,568 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 20 transitions. Word has length 12 [2020-12-09 09:15:34,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:15:34,568 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-12-09 09:15:34,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 09:15:34,568 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2020-12-09 09:15:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 09:15:34,569 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:15:34,569 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:15:34,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2020-12-09 09:15:34,770 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:15:34,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:15:34,770 INFO L82 PathProgramCache]: Analyzing trace with hash -122988255, now seen corresponding path program 2 times [2020-12-09 09:15:34,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:15:34,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309085732] [2020-12-09 09:15:34,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:15:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:15:34,833 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 09:15:34,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309085732] [2020-12-09 09:15:34,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:15:34,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 09:15:34,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003495421] [2020-12-09 09:15:34,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 09:15:34,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:15:34,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 09:15:34,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 09:15:34,834 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. Second operand 4 states. [2020-12-09 09:15:34,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:15:34,857 INFO L93 Difference]: Finished difference Result 30 states and 40 transitions. [2020-12-09 09:15:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 09:15:34,858 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-12-09 09:15:34,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:15:34,858 INFO L225 Difference]: With dead ends: 30 [2020-12-09 09:15:34,858 INFO L226 Difference]: Without dead ends: 23 [2020-12-09 09:15:34,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 09:15:34,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-12-09 09:15:34,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 17. [2020-12-09 09:15:34,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-12-09 09:15:34,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2020-12-09 09:15:34,863 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 22 transitions. Word has length 14 [2020-12-09 09:15:34,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:15:34,863 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 22 transitions. [2020-12-09 09:15:34,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 09:15:34,863 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2020-12-09 09:15:34,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 09:15:34,863 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:15:34,863 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:15:34,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2020-12-09 09:15:34,864 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:15:34,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:15:34,864 INFO L82 PathProgramCache]: Analyzing trace with hash -164171845, now seen corresponding path program 3 times [2020-12-09 09:15:34,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:15:34,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372541324] [2020-12-09 09:15:34,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:15:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:15:35,107 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:15:35,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372541324] [2020-12-09 09:15:35,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045202043] [2020-12-09 09:15:35,108 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:15:35,334 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-09 09:15:35,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 09:15:35,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 78 conjunts are in the unsatisfiable core [2020-12-09 09:15:35,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:15:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:15:35,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:15:36,611 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_prenex_2 Int) (v_prenex_1 Int)) (<= c_ULTIMATE.start_main_~len~0 (select (select (store |c_#memory_int| c_ULTIMATE.start_dll_update_at_~head.base (store (select |c_#memory_int| c_ULTIMATE.start_dll_update_at_~head.base) v_prenex_2 v_prenex_1)) c_ULTIMATE.start_main_~s~0.base) c_ULTIMATE.start_main_~s~0.offset))) (forall ((ULTIMATE.start_dll_update_at_~data Int) (ULTIMATE.start_dll_update_at_~head.offset Int)) (<= (select (select (store |c_#memory_int| c_ULTIMATE.start_dll_update_at_~head.base (store (select |c_#memory_int| c_ULTIMATE.start_dll_update_at_~head.base) ULTIMATE.start_dll_update_at_~head.offset ULTIMATE.start_dll_update_at_~data)) c_ULTIMATE.start_main_~s~0.base) c_ULTIMATE.start_main_~s~0.offset) c_ULTIMATE.start_main_~len~0))) is different from false [2020-12-09 09:15:37,536 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_dll_update_at_~data Int) (v_subst_1 Int)) (<= (select (select (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_dll_update_at_~head.base) (+ c_ULTIMATE.start_dll_update_at_~head.offset 4)))) (store |c_#memory_int| .cse0 (store (select |c_#memory_int| .cse0) v_subst_1 ULTIMATE.start_dll_update_at_~data))) c_ULTIMATE.start_main_~s~0.base) c_ULTIMATE.start_main_~s~0.offset) c_ULTIMATE.start_main_~len~0)) (forall ((v_prenex_2 Int) (v_prenex_1 Int)) (<= c_ULTIMATE.start_main_~len~0 (select (select (let ((.cse1 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_dll_update_at_~head.base) (+ c_ULTIMATE.start_dll_update_at_~head.offset 4)))) (store |c_#memory_int| .cse1 (store (select |c_#memory_int| .cse1) v_prenex_2 v_prenex_1))) c_ULTIMATE.start_main_~s~0.base) c_ULTIMATE.start_main_~s~0.offset)))) is different from false [2020-12-09 09:15:38,373 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_dll_update_at_~data Int) (v_subst_1 Int)) (<= (select (select (let ((.cse0 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~s~0.base) (+ c_ULTIMATE.start_main_~s~0.offset 4)))) (store |c_#memory_int| .cse0 (store (select |c_#memory_int| .cse0) v_subst_1 ULTIMATE.start_dll_update_at_~data))) c_ULTIMATE.start_main_~s~0.base) c_ULTIMATE.start_main_~s~0.offset) c_ULTIMATE.start_main_~len~0)) (forall ((v_prenex_2 Int) (v_prenex_1 Int)) (<= c_ULTIMATE.start_main_~len~0 (select (select (let ((.cse1 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~s~0.base) (+ c_ULTIMATE.start_main_~s~0.offset 4)))) (store |c_#memory_int| .cse1 (store (select |c_#memory_int| .cse1) v_prenex_2 v_prenex_1))) c_ULTIMATE.start_main_~s~0.base) c_ULTIMATE.start_main_~s~0.offset)))) is different from false [2020-12-09 09:15:40,398 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_subst_2 Int) (v_subst_1 Int) (v_DerPreprocessor_30 Int)) (<= (select (select (let ((.cse0 (store |c_#memory_int| c_ULTIMATE.start_dll_update_at_~head.base (store (select |c_#memory_int| c_ULTIMATE.start_dll_update_at_~head.base) c_ULTIMATE.start_dll_update_at_~head.offset c_ULTIMATE.start_dll_update_at_~data))) (.cse1 (select (select (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_dll_update_at_~head.base (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_dll_update_at_~head.base) c_ULTIMATE.start_dll_update_at_~head.offset v_DerPreprocessor_30)) c_ULTIMATE.start_main_~s~0.base) (+ c_ULTIMATE.start_main_~s~0.offset 4)))) (store .cse0 .cse1 (store (select .cse0 .cse1) v_subst_1 v_subst_2))) c_ULTIMATE.start_main_~s~0.base) c_ULTIMATE.start_main_~s~0.offset) c_ULTIMATE.start_main_~len~0)) (forall ((v_prenex_2 Int) (v_prenex_1 Int) (v_DerPreprocessor_31 Int)) (<= c_ULTIMATE.start_main_~len~0 (select (select (let ((.cse2 (store |c_#memory_int| c_ULTIMATE.start_dll_update_at_~head.base (store (select |c_#memory_int| c_ULTIMATE.start_dll_update_at_~head.base) c_ULTIMATE.start_dll_update_at_~head.offset c_ULTIMATE.start_dll_update_at_~data))) (.cse3 (select (select (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_dll_update_at_~head.base (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_dll_update_at_~head.base) c_ULTIMATE.start_dll_update_at_~head.offset v_DerPreprocessor_31)) c_ULTIMATE.start_main_~s~0.base) (+ c_ULTIMATE.start_main_~s~0.offset 4)))) (store .cse2 .cse3 (store (select .cse2 .cse3) v_prenex_2 v_prenex_1))) c_ULTIMATE.start_main_~s~0.base) c_ULTIMATE.start_main_~s~0.offset)))) is different from false [2020-12-09 09:15:40,823 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-09 09:15:41,048 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (= c_ULTIMATE.start_dll_create_~head~0.offset 0)) (.cse5 (= c_ULTIMATE.start_dll_create_~head~0.base 0)) (.cse0 (forall ((v_prenex_4 (Array Int (Array Int Int))) (v_prenex_6 Int) (v_prenex_7 (Array Int (Array Int Int))) (v_prenex_5 Int) (|v_#memory_int_68| (Array Int (Array Int Int))) (v_prenex_8 Int) (v_prenex_9 Int)) (let ((.cse9 (+ c_ULTIMATE.start_dll_create_~head~0.offset 8))) (or (<= v_prenex_5 (select (select (let ((.cse6 (store v_prenex_4 c_ULTIMATE.start_dll_create_~new_head~0.base (store (select v_prenex_4 c_ULTIMATE.start_dll_create_~new_head~0.base) c_ULTIMATE.start_dll_create_~new_head~0.offset v_prenex_5))) (.cse7 (let ((.cse10 (+ c_ULTIMATE.start_dll_create_~new_head~0.offset 4))) (select (store (select (let ((.cse8 (store v_prenex_7 c_ULTIMATE.start_dll_create_~new_head~0.base (store (store (select v_prenex_7 c_ULTIMATE.start_dll_create_~new_head~0.base) .cse10 c_ULTIMATE.start_dll_create_~head~0.base) (+ c_ULTIMATE.start_dll_create_~new_head~0.offset 8) 0)))) (store .cse8 c_ULTIMATE.start_dll_create_~head~0.base (store (select .cse8 c_ULTIMATE.start_dll_create_~head~0.base) .cse9 c_ULTIMATE.start_dll_create_~new_head~0.base))) c_ULTIMATE.start_dll_create_~new_head~0.base) c_ULTIMATE.start_dll_create_~new_head~0.offset v_prenex_9) .cse10)))) (store .cse6 .cse7 (store (select .cse6 .cse7) v_prenex_6 v_prenex_8))) c_ULTIMATE.start_dll_create_~new_head~0.base) c_ULTIMATE.start_dll_create_~new_head~0.offset)) (not (= v_prenex_4 (store |v_#memory_int_68| c_ULTIMATE.start_dll_create_~head~0.base (store (select |v_#memory_int_68| c_ULTIMATE.start_dll_create_~head~0.base) .cse9 (select (select v_prenex_4 c_ULTIMATE.start_dll_create_~head~0.base) .cse9)))))))))) (and (or .cse0 .cse1) (or (forall ((|v_#memory_int_73| (Array Int (Array Int Int))) (ULTIMATE.start_main_~len~0 Int) (v_prenex_2 Int) (|v_#memory_$Pointer$.base_61| (Array Int (Array Int Int))) (v_prenex_1 Int) (v_DerPreprocessor_31 Int)) (<= ULTIMATE.start_main_~len~0 (select (select (let ((.cse2 (store |v_#memory_int_73| c_ULTIMATE.start_dll_create_~new_head~0.base (store (select |v_#memory_int_73| c_ULTIMATE.start_dll_create_~new_head~0.base) c_ULTIMATE.start_dll_create_~new_head~0.offset ULTIMATE.start_main_~len~0))) (.cse3 (let ((.cse4 (+ c_ULTIMATE.start_dll_create_~new_head~0.offset 4))) (select (store (store (store (select |v_#memory_$Pointer$.base_61| c_ULTIMATE.start_dll_create_~new_head~0.base) .cse4 c_ULTIMATE.start_dll_create_~head~0.base) (+ c_ULTIMATE.start_dll_create_~new_head~0.offset 8) 0) c_ULTIMATE.start_dll_create_~new_head~0.offset v_DerPreprocessor_31) .cse4)))) (store .cse2 .cse3 (store (select .cse2 .cse3) v_prenex_2 v_prenex_1))) c_ULTIMATE.start_dll_create_~new_head~0.base) c_ULTIMATE.start_dll_create_~new_head~0.offset))) (not .cse1) (not .cse5)) (or .cse5 .cse0))) is different from false [2020-12-09 09:15:41,513 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2020-12-09 09:15:41,732 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2020-12-09 09:15:41,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1324533580] [2020-12-09 09:15:41,734 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2020-12-09 09:15:41,734 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 09:15:41,734 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 09:15:41,734 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 09:15:41,734 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 09:15:41,816 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:42,210 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:42,270 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:42,640 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:42,896 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:42,958 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:43,569 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 09:15:43,810 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-12-09 09:15:44,542 WARN L197 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 103 [2020-12-09 09:15:44,967 WARN L197 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-12-09 09:15:45,144 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2020-12-09 09:15:45,464 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 66 [2020-12-09 09:15:45,794 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 82 [2020-12-09 09:15:46,142 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 93 [2020-12-09 09:15:46,143 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 09:15:46,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 09:15:46,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2020-12-09 09:15:46,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686008410] [2020-12-09 09:15:46,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-12-09 09:15:46,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:15:46,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-12-09 09:15:46,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1427, Unknown=8, NotChecked=400, Total=1980 [2020-12-09 09:15:46,145 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. Second operand 37 states. [2020-12-09 09:15:48,809 WARN L197 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2020-12-09 09:15:49,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:15:49,951 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2020-12-09 09:15:49,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-12-09 09:15:49,952 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 16 [2020-12-09 09:15:49,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:15:49,953 INFO L225 Difference]: With dead ends: 59 [2020-12-09 09:15:49,953 INFO L226 Difference]: Without dead ends: 57 [2020-12-09 09:15:49,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 15 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 1037 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=598, Invalid=3446, Unknown=8, NotChecked=640, Total=4692 [2020-12-09 09:15:49,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-09 09:15:49,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 27. [2020-12-09 09:15:49,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-09 09:15:49,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 39 transitions. [2020-12-09 09:15:49,964 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 39 transitions. Word has length 16 [2020-12-09 09:15:49,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:15:49,964 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 39 transitions. [2020-12-09 09:15:49,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-12-09 09:15:49,964 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2020-12-09 09:15:49,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 09:15:49,964 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:15:49,964 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:15:50,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:15:50,166 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:15:50,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:15:50,167 INFO L82 PathProgramCache]: Analyzing trace with hash 443092512, now seen corresponding path program 4 times [2020-12-09 09:15:50,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:15:50,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035206149] [2020-12-09 09:15:50,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:15:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:15:50,240 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 09:15:50,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035206149] [2020-12-09 09:15:50,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020926610] [2020-12-09 09:15:50,241 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:15:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:15:50,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 09:15:50,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:15:50,314 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 09:15:50,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:15:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 09:15:50,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1380799220] [2020-12-09 09:15:50,330 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2020-12-09 09:15:50,330 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 09:15:50,331 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 09:15:50,331 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 09:15:50,331 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 09:15:50,398 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:50,858 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:50,868 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:51,230 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:51,493 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:51,503 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:52,232 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 09:15:52,426 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-12-09 09:15:53,079 WARN L197 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 105 [2020-12-09 09:15:53,434 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-12-09 09:15:53,567 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2020-12-09 09:15:53,811 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 66 [2020-12-09 09:15:54,069 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 82 [2020-12-09 09:15:54,357 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 93 [2020-12-09 09:15:54,358 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 09:15:54,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 09:15:54,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2020-12-09 09:15:54,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428781380] [2020-12-09 09:15:54,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 09:15:54,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:15:54,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 09:15:54,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-12-09 09:15:54,359 INFO L87 Difference]: Start difference. First operand 27 states and 39 transitions. Second operand 7 states. [2020-12-09 09:15:54,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:15:54,415 INFO L93 Difference]: Finished difference Result 44 states and 61 transitions. [2020-12-09 09:15:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 09:15:54,416 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-12-09 09:15:54,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:15:54,416 INFO L225 Difference]: With dead ends: 44 [2020-12-09 09:15:54,416 INFO L226 Difference]: Without dead ends: 37 [2020-12-09 09:15:54,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2020-12-09 09:15:54,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-12-09 09:15:54,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 27. [2020-12-09 09:15:54,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-09 09:15:54,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 38 transitions. [2020-12-09 09:15:54,424 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 38 transitions. Word has length 17 [2020-12-09 09:15:54,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:15:54,424 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 38 transitions. [2020-12-09 09:15:54,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 09:15:54,424 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2020-12-09 09:15:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 09:15:54,424 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:15:54,425 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:15:54,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable279 [2020-12-09 09:15:54,626 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:15:54,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:15:54,627 INFO L82 PathProgramCache]: Analyzing trace with hash -795954802, now seen corresponding path program 1 times [2020-12-09 09:15:54,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:15:54,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618134749] [2020-12-09 09:15:54,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:15:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:15:54,662 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 09:15:54,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618134749] [2020-12-09 09:15:54,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:15:54,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 09:15:54,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909019308] [2020-12-09 09:15:54,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 09:15:54,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:15:54,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 09:15:54,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 09:15:54,663 INFO L87 Difference]: Start difference. First operand 27 states and 38 transitions. Second operand 4 states. [2020-12-09 09:15:54,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:15:54,689 INFO L93 Difference]: Finished difference Result 38 states and 51 transitions. [2020-12-09 09:15:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 09:15:54,689 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-12-09 09:15:54,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:15:54,689 INFO L225 Difference]: With dead ends: 38 [2020-12-09 09:15:54,689 INFO L226 Difference]: Without dead ends: 33 [2020-12-09 09:15:54,690 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 09:15:54,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-09 09:15:54,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 29. [2020-12-09 09:15:54,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-09 09:15:54,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-12-09 09:15:54,697 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 17 [2020-12-09 09:15:54,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:15:54,697 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-12-09 09:15:54,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 09:15:54,697 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-12-09 09:15:54,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-09 09:15:54,698 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:15:54,698 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:15:54,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable358 [2020-12-09 09:15:54,698 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:15:54,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:15:54,698 INFO L82 PathProgramCache]: Analyzing trace with hash 2124536225, now seen corresponding path program 5 times [2020-12-09 09:15:54,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:15:54,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266911733] [2020-12-09 09:15:54,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:15:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:15:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-09 09:15:54,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266911733] [2020-12-09 09:15:54,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958222847] [2020-12-09 09:15:54,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:15:54,792 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-12-09 09:15:54,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 09:15:54,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 09:15:54,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:15:54,821 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 09:15:54,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:15:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 09:15:54,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 09:15:54,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 10 [2020-12-09 09:15:54,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531566642] [2020-12-09 09:15:54,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 09:15:54,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:15:54,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 09:15:54,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-12-09 09:15:54,850 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand 5 states. [2020-12-09 09:15:54,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:15:54,884 INFO L93 Difference]: Finished difference Result 43 states and 58 transitions. [2020-12-09 09:15:54,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 09:15:54,885 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-12-09 09:15:54,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:15:54,885 INFO L225 Difference]: With dead ends: 43 [2020-12-09 09:15:54,885 INFO L226 Difference]: Without dead ends: 36 [2020-12-09 09:15:54,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-12-09 09:15:54,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-12-09 09:15:54,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 29. [2020-12-09 09:15:54,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-09 09:15:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-12-09 09:15:54,893 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 18 [2020-12-09 09:15:54,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:15:54,893 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-12-09 09:15:54,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 09:15:54,894 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-12-09 09:15:54,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-09 09:15:54,894 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:15:54,894 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:15:55,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable359,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:15:55,095 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:15:55,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:15:55,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1086896171, now seen corresponding path program 6 times [2020-12-09 09:15:55,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:15:55,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297868147] [2020-12-09 09:15:55,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:15:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:15:55,151 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 09:15:55,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297868147] [2020-12-09 09:15:55,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264183333] [2020-12-09 09:15:55,152 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:15:55,193 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-09 09:15:55,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 09:15:55,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 09:15:55,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:15:55,209 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 09:15:55,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:15:55,221 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 09:15:55,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [69278006] [2020-12-09 09:15:55,222 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2020-12-09 09:15:55,222 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 09:15:55,222 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 09:15:55,222 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 09:15:55,222 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 09:15:55,285 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:55,644 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:55,718 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:56,154 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:56,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:56,477 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:15:57,118 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 09:15:57,309 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-12-09 09:15:57,914 WARN L197 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 105 [2020-12-09 09:15:58,284 WARN L197 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-12-09 09:15:58,426 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2020-12-09 09:15:58,669 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 66 [2020-12-09 09:15:58,931 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 82 [2020-12-09 09:15:59,216 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 93 [2020-12-09 09:15:59,217 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 09:15:59,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 09:15:59,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2020-12-09 09:15:59,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643407674] [2020-12-09 09:15:59,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 09:15:59,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:15:59,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 09:15:59,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-12-09 09:15:59,218 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand 6 states. [2020-12-09 09:15:59,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:15:59,257 INFO L93 Difference]: Finished difference Result 42 states and 56 transitions. [2020-12-09 09:15:59,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 09:15:59,257 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-12-09 09:15:59,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:15:59,257 INFO L225 Difference]: With dead ends: 42 [2020-12-09 09:15:59,258 INFO L226 Difference]: Without dead ends: 31 [2020-12-09 09:15:59,258 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-12-09 09:15:59,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-09 09:15:59,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2020-12-09 09:15:59,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-09 09:15:59,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2020-12-09 09:15:59,266 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 18 [2020-12-09 09:15:59,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:15:59,266 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2020-12-09 09:15:59,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 09:15:59,266 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2020-12-09 09:15:59,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-09 09:15:59,267 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:15:59,267 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:15:59,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable360,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:15:59,468 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:15:59,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:15:59,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1153700138, now seen corresponding path program 1 times [2020-12-09 09:15:59,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:15:59,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809249985] [2020-12-09 09:15:59,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:15:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:15:59,507 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 09:15:59,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809249985] [2020-12-09 09:15:59,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627358050] [2020-12-09 09:15:59,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:15:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:15:59,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 09:15:59,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:15:59,575 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 09:15:59,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:15:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 09:15:59,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1244751043] [2020-12-09 09:15:59,594 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2020-12-09 09:15:59,594 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 09:15:59,594 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 09:15:59,594 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 09:15:59,595 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 09:15:59,657 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:00,005 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:00,075 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:00,386 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:00,626 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:00,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:01,420 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 09:16:01,622 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2020-12-09 09:16:02,235 WARN L197 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 103 [2020-12-09 09:16:02,462 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2020-12-09 09:16:02,978 WARN L197 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-12-09 09:16:03,167 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2020-12-09 09:16:03,420 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2020-12-09 09:16:03,420 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 09:16:03,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 09:16:03,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2020-12-09 09:16:03,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597041913] [2020-12-09 09:16:03,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 09:16:03,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:16:03,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 09:16:03,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-12-09 09:16:03,421 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand 6 states. [2020-12-09 09:16:03,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:16:03,456 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2020-12-09 09:16:03,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 09:16:03,456 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-12-09 09:16:03,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:16:03,457 INFO L225 Difference]: With dead ends: 37 [2020-12-09 09:16:03,457 INFO L226 Difference]: Without dead ends: 32 [2020-12-09 09:16:03,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-12-09 09:16:03,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-12-09 09:16:03,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2020-12-09 09:16:03,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-09 09:16:03,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2020-12-09 09:16:03,464 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 19 [2020-12-09 09:16:03,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:16:03,464 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2020-12-09 09:16:03,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 09:16:03,464 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2020-12-09 09:16:03,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-09 09:16:03,465 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:16:03,465 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:16:03,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable439 [2020-12-09 09:16:03,666 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:16:03,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:16:03,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1403371007, now seen corresponding path program 1 times [2020-12-09 09:16:03,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:16:03,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076929391] [2020-12-09 09:16:03,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:16:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:16:03,919 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:16:03,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076929391] [2020-12-09 09:16:03,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950145507] [2020-12-09 09:16:03,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:16:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:16:03,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 79 conjunts are in the unsatisfiable core [2020-12-09 09:16:03,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:16:04,758 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:16:04,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:16:05,791 WARN L838 $PredicateComparison]: unable to prove that (and (<= 0 c_ULTIMATE.start_main_~i~0) (<= c_ULTIMATE.start_main_~i~0 0) (forall ((v_DerPreprocessor_89 Int) (v_ULTIMATE.start_dll_update_at_~head.offset_54 Int)) (or (not (= c_ULTIMATE.start_main_~s~0.base (select (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~s~0.base) v_ULTIMATE.start_dll_update_at_~head.offset_54 v_DerPreprocessor_89) (+ c_ULTIMATE.start_main_~s~0.offset 4)))) (< c_ULTIMATE.start_main_~s~0.offset v_ULTIMATE.start_dll_update_at_~head.offset_54)))) is different from false [2020-12-09 09:16:06,198 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_89 Int) (v_ULTIMATE.start_dll_update_at_~head.offset_54 Int)) (or (< c_ULTIMATE.start_dll_create_~head~0.offset v_ULTIMATE.start_dll_update_at_~head.offset_54) (not (= c_ULTIMATE.start_dll_create_~head~0.base (select (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_dll_create_~head~0.base) v_ULTIMATE.start_dll_update_at_~head.offset_54 v_DerPreprocessor_89) (+ c_ULTIMATE.start_dll_create_~head~0.offset 4)))))) is different from false [2020-12-09 09:16:06,740 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-12-09 09:16:06,935 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-09 09:16:07,135 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-09 09:16:07,358 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-09 09:16:08,005 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-12-09 09:16:08,207 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-09 09:16:08,390 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-09 09:16:08,885 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2020-12-09 09:16:08,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [73363893] [2020-12-09 09:16:08,886 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2020-12-09 09:16:08,886 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 09:16:08,886 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 09:16:08,886 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 09:16:08,887 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 09:16:08,952 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:09,346 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:09,370 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:09,723 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:09,961 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:09,972 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:10,827 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-09 09:16:10,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 09:16:10,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 43 [2020-12-09 09:16:10,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213680119] [2020-12-09 09:16:10,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-12-09 09:16:10,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:16:10,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-12-09 09:16:10,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1522, Unknown=11, NotChecked=158, Total=1806 [2020-12-09 09:16:10,830 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand 43 states. [2020-12-09 09:16:11,680 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_dll_create_~head~0.base))) (let ((.cse0 (select .cse1 (+ c_ULTIMATE.start_dll_create_~head~0.offset 4)))) (and (= c_ULTIMATE.start_dll_create_~new_head~0.offset 0) (not (= c_ULTIMATE.start_dll_create_~new_head~0.base 0)) (forall ((v_DerPreprocessor_89 Int) (v_ULTIMATE.start_dll_update_at_~head.offset_54 Int)) (or (< c_ULTIMATE.start_dll_create_~head~0.offset v_ULTIMATE.start_dll_update_at_~head.offset_54) (not (= c_ULTIMATE.start_dll_create_~head~0.base (select (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_dll_create_~head~0.base) v_ULTIMATE.start_dll_update_at_~head.offset_54 v_DerPreprocessor_89) (+ c_ULTIMATE.start_dll_create_~head~0.offset 4)))))) (not (= c_ULTIMATE.start_dll_create_~head~0.base .cse0)) (not (= c_ULTIMATE.start_dll_create_~head~0.base (select .cse1 4))) (= (select |c_#valid| c_ULTIMATE.start_dll_create_~new_head~0.base) 1) (not (= .cse0 0)) (not (= c_ULTIMATE.start_dll_create_~head~0.base 0)) (= (select .cse1 (+ c_ULTIMATE.start_dll_create_~head~0.offset 8)) 0) (= (select |c_#valid| c_ULTIMATE.start_dll_create_~head~0.base) 1) (exists ((v_ULTIMATE.start_dll_create_~head~0.offset_51 Int)) (= c_ULTIMATE.start_dll_create_~head~0.base (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_dll_create_~head~0.base) (+ c_ULTIMATE.start_dll_create_~head~0.offset 4))) (+ v_ULTIMATE.start_dll_create_~head~0.offset_51 8)))) (= c_ULTIMATE.start_dll_create_~head~0.offset 0)))) is different from false [2020-12-09 09:16:12,143 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~s~0.base))) (let ((.cse0 (select .cse1 (+ c_ULTIMATE.start_main_~s~0.offset 4)))) (and (<= 0 c_ULTIMATE.start_main_~i~0) (not (= c_ULTIMATE.start_main_~s~0.base .cse0)) (not (= c_ULTIMATE.start_main_~s~0.base (select .cse1 4))) (exists ((v_ULTIMATE.start_dll_create_~head~0.offset_51 Int)) (= c_ULTIMATE.start_main_~s~0.base (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~s~0.base) (+ c_ULTIMATE.start_main_~s~0.offset 4))) (+ v_ULTIMATE.start_dll_create_~head~0.offset_51 8)))) (= c_ULTIMATE.start_main_~i~0 0) (<= c_ULTIMATE.start_main_~i~0 0) (= (select .cse1 (+ c_ULTIMATE.start_main_~s~0.offset 8)) 0) (forall ((v_DerPreprocessor_89 Int) (v_ULTIMATE.start_dll_update_at_~head.offset_54 Int)) (or (not (= c_ULTIMATE.start_main_~s~0.base (select (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~s~0.base) v_ULTIMATE.start_dll_update_at_~head.offset_54 v_DerPreprocessor_89) (+ c_ULTIMATE.start_main_~s~0.offset 4)))) (< c_ULTIMATE.start_main_~s~0.offset v_ULTIMATE.start_dll_update_at_~head.offset_54))) (= c_ULTIMATE.start_main_~s~0.offset 0) (not (= .cse0 0))))) is different from false [2020-12-09 09:16:14,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:16:14,141 INFO L93 Difference]: Finished difference Result 51 states and 62 transitions. [2020-12-09 09:16:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-09 09:16:14,141 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 20 [2020-12-09 09:16:14,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:16:14,142 INFO L225 Difference]: With dead ends: 51 [2020-12-09 09:16:14,142 INFO L226 Difference]: Without dead ends: 49 [2020-12-09 09:16:14,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 11 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=284, Invalid=2799, Unknown=13, NotChecked=444, Total=3540 [2020-12-09 09:16:14,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-09 09:16:14,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 35. [2020-12-09 09:16:14,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-09 09:16:14,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2020-12-09 09:16:14,156 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 43 transitions. Word has length 20 [2020-12-09 09:16:14,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:16:14,156 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 43 transitions. [2020-12-09 09:16:14,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-12-09 09:16:14,156 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2020-12-09 09:16:14,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-09 09:16:14,157 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:16:14,157 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:16:14,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable532 [2020-12-09 09:16:14,358 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:16:14,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:16:14,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1781349183, now seen corresponding path program 7 times [2020-12-09 09:16:14,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:16:14,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250531012] [2020-12-09 09:16:14,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:16:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:16:14,435 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-09 09:16:14,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250531012] [2020-12-09 09:16:14,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873092136] [2020-12-09 09:16:14,436 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:16:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:16:14,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 09:16:14,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:16:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-09 09:16:14,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:16:14,554 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-09 09:16:14,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 09:16:14,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5] total 12 [2020-12-09 09:16:14,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662971126] [2020-12-09 09:16:14,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-09 09:16:14,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:16:14,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-09 09:16:14,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-12-09 09:16:14,555 INFO L87 Difference]: Start difference. First operand 35 states and 43 transitions. Second operand 9 states. [2020-12-09 09:16:14,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:16:14,592 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2020-12-09 09:16:14,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 09:16:14,593 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2020-12-09 09:16:14,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:16:14,593 INFO L225 Difference]: With dead ends: 41 [2020-12-09 09:16:14,593 INFO L226 Difference]: Without dead ends: 22 [2020-12-09 09:16:14,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-12-09 09:16:14,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-12-09 09:16:14,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-12-09 09:16:14,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-09 09:16:14,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2020-12-09 09:16:14,599 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 20 [2020-12-09 09:16:14,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:16:14,599 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2020-12-09 09:16:14,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-09 09:16:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2020-12-09 09:16:14,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-09 09:16:14,600 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:16:14,600 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:16:14,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable624,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:16:14,800 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:16:14,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:16:14,801 INFO L82 PathProgramCache]: Analyzing trace with hash 553233354, now seen corresponding path program 2 times [2020-12-09 09:16:14,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:16:14,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069131026] [2020-12-09 09:16:14,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:16:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:16:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 09:16:14,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069131026] [2020-12-09 09:16:14,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959931810] [2020-12-09 09:16:14,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:16:14,879 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-09 09:16:14,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 09:16:14,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 09:16:14,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:16:14,902 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-09 09:16:14,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:16:14,915 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-09 09:16:14,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2126817866] [2020-12-09 09:16:14,916 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2020-12-09 09:16:14,917 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 09:16:14,917 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 09:16:14,917 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 09:16:14,917 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 09:16:14,990 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:15,339 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:15,348 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:15,776 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:16,098 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:16,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 09:16:16,906 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-09 09:16:16,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 09:16:16,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 7 [2020-12-09 09:16:16,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142756110] [2020-12-09 09:16:16,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 09:16:16,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:16:16,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 09:16:16,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-09 09:16:16,908 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 7 states. [2020-12-09 09:16:16,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:16:16,964 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2020-12-09 09:16:16,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 09:16:16,964 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-12-09 09:16:16,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:16:16,964 INFO L225 Difference]: With dead ends: 22 [2020-12-09 09:16:16,965 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 09:16:16,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-12-09 09:16:16,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 09:16:16,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 09:16:16,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 09:16:16,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 09:16:16,965 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2020-12-09 09:16:16,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:16:16,965 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 09:16:16,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 09:16:16,965 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 09:16:16,965 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 09:16:17,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable625 [2020-12-09 09:16:17,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 09:16:31,256 WARN L197 SmtUtils]: Spent 13.92 s on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2020-12-09 09:16:35,690 WARN L197 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 195 DAG size of output: 148 [2020-12-09 09:16:36,647 WARN L197 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 132 [2020-12-09 09:16:37,352 WARN L197 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 143 [2020-12-09 09:16:37,913 WARN L197 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 109 [2020-12-09 09:16:37,917 INFO L262 CegarLoopResult]: For program point L589(lines 589 591) no Hoare annotation was computed. [2020-12-09 09:16:37,917 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 09:16:37,917 INFO L265 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: true [2020-12-09 09:16:37,918 INFO L258 CegarLoopResult]: At program point L633-3(lines 633 638) the Hoare annotation is: (let ((.cse35 (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base)) (.cse38 (+ ULTIMATE.start_main_~s~0.offset 4))) (let ((.cse36 (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base)) (.cse34 (+ ULTIMATE.start_main_~len~0 1)) (.cse37 (select .cse35 .cse38))) (let ((.cse26 (= (select .cse35 4) ULTIMATE.start_dll_update_at_~head.base)) (.cse0 (not (= ULTIMATE.start_dll_create_~head~0.base 0))) (.cse1 (= (select |#valid| ULTIMATE.start_dll_create_~head~0.base) 1)) (.cse27 (not (= .cse37 0))) (.cse2 (= 2 ULTIMATE.start_main_~len~0)) (.cse28 (= (select (select |#memory_int| .cse37) (select .cse36 .cse38)) .cse34)) (.cse3 (not (= ULTIMATE.start_dll_create_~new_head~0.base 0))) (.cse4 (<= ULTIMATE.start_dll_create_~head~0.offset 0)) (.cse5 (<= 0 ULTIMATE.start_dll_create_~head~0.offset)) (.cse6 (= |#NULL.offset| 0)) (.cse29 (<= ULTIMATE.start_dll_update_at_~data .cse34)) (.cse7 (<= 0 |#StackHeapBarrier|)) (.cse8 (= ULTIMATE.start_dll_create_~new_head~0.offset 0)) (.cse9 (= |#t~string1.offset| 0)) (.cse10 (<= 0 |#t~string0.base|)) (.cse11 (<= ULTIMATE.start_main_~data~0 1)) (.cse12 (= |#NULL.base| 0)) (.cse30 (= (select .cse36 4) ULTIMATE.start_dll_update_at_~head.offset)) (.cse13 (<= 1 ULTIMATE.start_main_~data~0)) (.cse14 (<= |ULTIMATE.start_dll_create_#in~data| 1)) (.cse15 (<= 1 ULTIMATE.start_dll_create_~data)) (.cse16 (<= 2 |ULTIMATE.start_dll_create_#in~len|)) (.cse17 (<= 0 |#t~string1.base|)) (.cse18 (<= ULTIMATE.start_dll_create_~len 2)) (.cse31 (= (select .cse35 (+ ULTIMATE.start_main_~s~0.offset 8)) 0)) (.cse19 (= (select |#valid| ULTIMATE.start_dll_create_~new_head~0.base) 1)) (.cse20 (<= 1 |ULTIMATE.start_dll_create_#in~data|)) (.cse21 (<= ULTIMATE.start_dll_update_at_~index 0)) (.cse32 (= ULTIMATE.start_main_~s~0.offset 0)) (.cse22 (<= |ULTIMATE.start_dll_create_#in~len| 2)) (.cse23 (<= ULTIMATE.start_dll_create_~data 1)) (.cse24 (= |#t~string0.offset| 0)) (.cse33 (<= .cse34 ULTIMATE.start_dll_update_at_~data)) (.cse25 (<= 0 ULTIMATE.start_dll_create_~len))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (<= 2 ULTIMATE.start_main_~i~0) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25) (and .cse26 .cse0 .cse1 .cse27 .cse2 .cse28 .cse3 .cse4 .cse5 .cse6 .cse29 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse30 .cse13 .cse14 .cse15 .cse16 .cse17 (= ULTIMATE.start_main_~i~0 0) .cse31 .cse18 .cse19 .cse20 (forall ((v_DerPreprocessor_89 Int)) (not (= ULTIMATE.start_main_~s~0.base (select (select (store |#memory_$Pointer$.base| ULTIMATE.start_dll_update_at_~head.base (store (select |#memory_$Pointer$.base| ULTIMATE.start_dll_update_at_~head.base) ULTIMATE.start_dll_update_at_~head.offset v_DerPreprocessor_89)) ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))))) .cse21 .cse32 .cse22 .cse23 (= ULTIMATE.start_main_~len~0 (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset)) .cse24 .cse33 .cse25) (and .cse26 .cse0 .cse1 .cse27 .cse2 .cse28 .cse3 .cse4 (not (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_dll_update_at_~head.base)) .cse5 .cse6 .cse29 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse30 .cse13 .cse14 .cse15 .cse16 (<= ULTIMATE.start_dll_get_data_at_~index 0) .cse17 .cse18 .cse31 .cse19 .cse20 .cse21 (<= 1 ULTIMATE.start_main_~i~0) .cse32 .cse22 .cse23 .cse24 .cse33 .cse25))))) [2020-12-09 09:16:37,918 INFO L265 CegarLoopResult]: At program point L642(lines 624 643) the Hoare annotation is: true [2020-12-09 09:16:37,918 INFO L258 CegarLoopResult]: At program point L618-2(lines 618 621) the Hoare annotation is: (let ((.cse42 (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base)) (.cse36 (select |#memory_$Pointer$.base| ULTIMATE.start_dll_create_~head~0.base))) (let ((.cse40 (select .cse36 4)) (.cse25 (= ULTIMATE.start_main_~i~0 0)) (.cse41 (= ULTIMATE.start_main_~len~0 (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset))) (.cse38 (select .cse42 4))) (let ((.cse0 (not (= .cse38 0))) (.cse6 (<= |ULTIMATE.start_dll_create_#res.offset| 0)) (.cse7 (<= 0 |ULTIMATE.start_dll_update_at_#in~head.offset|)) (.cse8 (<= ULTIMATE.start_dll_create_~len 0)) (.cse15 (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_dll_update_at_~head.offset)) (.cse18 (let ((.cse43 (= ULTIMATE.start_dll_create_~head~0.base |ULTIMATE.start_dll_create_#res.base|)) (.cse44 (= ULTIMATE.start_main_~new_data~0 |ULTIMATE.start_dll_update_at_#in~data|)) (.cse45 (= ULTIMATE.start_main_~s~0.base |ULTIMATE.start_dll_update_at_#in~head.base|)) (.cse46 (= |ULTIMATE.start_dll_update_at_#in~index| ULTIMATE.start_dll_update_at_~index)) (.cse47 (= ULTIMATE.start_dll_update_at_~head.base |ULTIMATE.start_dll_update_at_#in~head.base|)) (.cse48 (= ULTIMATE.start_main_~new_data~0 (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0))) (.cse49 (= |ULTIMATE.start_dll_update_at_#in~data| ULTIMATE.start_dll_update_at_~data)) (.cse50 (= ULTIMATE.start_main_~s~0.base |ULTIMATE.start_dll_create_#res.base|)) (.cse51 (= ULTIMATE.start_main_~i~0 |ULTIMATE.start_dll_update_at_#in~index|))) (or (and .cse43 .cse25 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51) (and .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse41 .cse51 (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0))))) (.cse24 (<= 0 |ULTIMATE.start_dll_create_#res.offset|)) (.cse32 (<= |ULTIMATE.start_dll_update_at_#in~head.offset| 0)) (.cse1 (= (select |#valid| ULTIMATE.start_dll_create_~head~0.base) 1)) (.cse2 (not (= ULTIMATE.start_dll_create_~head~0.base 0))) (.cse3 (= 2 ULTIMATE.start_main_~len~0)) (.cse4 (= ULTIMATE.start_dll_create_~head~0.offset 0)) (.cse5 (not (= ULTIMATE.start_dll_create_~new_head~0.base 0))) (.cse9 (= |#NULL.offset| 0)) (.cse10 (= ULTIMATE.start_dll_create_~head~0.base (select (select |#memory_$Pointer$.base| .cse40) 8))) (.cse11 (<= 0 |#StackHeapBarrier|)) (.cse12 (= |#t~string1.offset| 0)) (.cse13 (<= 0 |#t~string0.base|)) (.cse14 (= ULTIMATE.start_dll_create_~new_head~0.offset 0)) (.cse16 (<= ULTIMATE.start_main_~data~0 1)) (.cse17 (= |#NULL.base| 0)) (.cse19 (<= 1 ULTIMATE.start_main_~data~0)) (.cse20 (<= |ULTIMATE.start_dll_create_#in~data| 1)) (.cse21 (<= 1 ULTIMATE.start_dll_create_~data)) (.cse22 (<= 2 |ULTIMATE.start_dll_create_#in~len|)) (.cse23 (<= 0 |#t~string1.base|)) (.cse26 (<= ULTIMATE.start_dll_create_~len 2)) (.cse27 (= (select .cse42 (+ ULTIMATE.start_main_~s~0.offset 8)) 0)) (.cse28 (= (select |#valid| ULTIMATE.start_dll_create_~new_head~0.base) 1)) (.cse29 (<= 1 |ULTIMATE.start_dll_create_#in~data|)) (.cse30 (= ULTIMATE.start_main_~s~0.offset 0)) (.cse31 (<= |ULTIMATE.start_dll_create_#in~len| 2)) (.cse33 (<= ULTIMATE.start_dll_create_~data 1)) (.cse34 (= |#t~string0.offset| 0)) (.cse35 (<= 0 ULTIMATE.start_dll_create_~len))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= 1 ULTIMATE.start_dll_update_at_~index) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35) (let ((.cse37 (select .cse42 (+ ULTIMATE.start_main_~s~0.offset 4))) (.cse39 (+ ULTIMATE.start_main_~len~0 1))) (and (= (select .cse36 8) 0) .cse1 .cse2 .cse3 .cse4 (not (= .cse37 0)) .cse5 (= (select (select |#memory_$Pointer$.base| .cse38) 8) ULTIMATE.start_main_~s~0.base) .cse9 .cse10 (<= ULTIMATE.start_dll_update_at_~data .cse39) .cse11 .cse12 .cse13 .cse14 .cse16 .cse17 (not (= .cse40 0)) (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4) ULTIMATE.start_dll_update_at_~head.offset) .cse19 .cse20 .cse21 .cse22 .cse23 .cse26 .cse27 .cse28 .cse29 (<= ULTIMATE.start_dll_update_at_~index 0) (<= ULTIMATE.start_main_~i~0 1) (<= 1 ULTIMATE.start_main_~i~0) .cse30 .cse31 (= .cse37 ULTIMATE.start_dll_update_at_~head.base) .cse33 .cse41 .cse34 (<= .cse39 ULTIMATE.start_dll_update_at_~data) .cse35)))))) [2020-12-09 09:16:37,918 INFO L262 CegarLoopResult]: For program point L635(lines 635 637) no Hoare annotation was computed. [2020-12-09 09:16:37,918 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 641) no Hoare annotation was computed. [2020-12-09 09:16:37,919 INFO L258 CegarLoopResult]: At program point L611-2(lines 611 614) the Hoare annotation is: (let ((.cse48 (+ ULTIMATE.start_main_~s~0.offset 4)) (.cse45 (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base)) (.cse47 (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base))) (let ((.cse44 (select .cse47 4)) (.cse43 (select .cse45 4)) (.cse46 (select .cse45 .cse48)) (.cse42 (+ ULTIMATE.start_main_~len~0 1))) (let ((.cse5 (= (select (select |#memory_int| .cse46) (select .cse47 .cse48)) .cse42)) (.cse29 (select |#memory_int| ULTIMATE.start_dll_get_data_at_~head.base)) (.cse0 (= .cse43 ULTIMATE.start_dll_update_at_~head.base)) (.cse1 (not (= ULTIMATE.start_dll_create_~head~0.base 0))) (.cse2 (= (select |#valid| ULTIMATE.start_dll_create_~head~0.base) 1)) (.cse3 (= 2 ULTIMATE.start_main_~len~0)) (.cse4 (not (= .cse46 0))) (.cse6 (not (= ULTIMATE.start_dll_create_~new_head~0.base 0))) (.cse7 (<= ULTIMATE.start_dll_create_~head~0.offset 0)) (.cse8 (not (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_dll_update_at_~head.base))) (.cse9 (<= 0 ULTIMATE.start_dll_create_~head~0.offset)) (.cse10 (= |#NULL.offset| 0)) (.cse11 (<= ULTIMATE.start_dll_update_at_~data .cse42)) (.cse12 (<= 0 |#StackHeapBarrier|)) (.cse13 (= ULTIMATE.start_dll_create_~new_head~0.offset 0)) (.cse14 (= |#t~string1.offset| 0)) (.cse15 (<= 0 |#t~string0.base|)) (.cse16 (<= ULTIMATE.start_main_~data~0 1)) (.cse17 (= |#NULL.base| 0)) (.cse18 (<= 1 ULTIMATE.start_main_~data~0)) (.cse19 (= .cse44 ULTIMATE.start_dll_update_at_~head.offset)) (.cse20 (<= |ULTIMATE.start_dll_create_#in~data| 1)) (.cse21 (<= 1 ULTIMATE.start_dll_create_~data)) (.cse22 (<= 2 |ULTIMATE.start_dll_create_#in~len|)) (.cse23 (<= 0 |#t~string1.base|)) (.cse24 (<= ULTIMATE.start_dll_create_~len 2)) (.cse25 (= (select .cse45 (+ ULTIMATE.start_main_~s~0.offset 8)) 0)) (.cse26 (= (select |#valid| ULTIMATE.start_dll_create_~new_head~0.base) 1)) (.cse37 (= 0 ULTIMATE.start_dll_get_data_at_~head.offset)) (.cse27 (<= 1 |ULTIMATE.start_dll_create_#in~data|)) (.cse28 (<= ULTIMATE.start_dll_update_at_~index 0)) (.cse30 (<= ULTIMATE.start_main_~i~0 1)) (.cse31 (= ULTIMATE.start_main_~s~0.offset 0)) (.cse32 (<= |ULTIMATE.start_dll_create_#in~len| 2)) (.cse33 (<= ULTIMATE.start_dll_create_~data 1)) (.cse34 (= |#t~string0.offset| 0)) (.cse35 (<= .cse42 ULTIMATE.start_dll_update_at_~data)) (.cse36 (<= 0 ULTIMATE.start_dll_create_~len))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 (<= ULTIMATE.start_dll_get_data_at_~index 0) .cse24 .cse25 .cse26 .cse27 .cse28 (= (select .cse29 ULTIMATE.start_dll_get_data_at_~head.offset) ULTIMATE.start_main_~expected~0) .cse30 (<= 1 ULTIMATE.start_main_~i~0) .cse31 .cse32 (not (= ULTIMATE.start_dll_get_data_at_~head.base 0)) .cse33 .cse34 .cse35 .cse36) (and .cse0 .cse1 .cse2 .cse4 .cse3 .cse5 .cse6 .cse7 .cse9 (= ULTIMATE.start_main_~expected~0 (select .cse29 0)) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse19 .cse18 .cse20 (= ULTIMATE.start_dll_get_data_at_~index 0) .cse21 .cse22 .cse23 (= ULTIMATE.start_main_~i~0 0) .cse25 .cse24 .cse26 .cse37 .cse27 (forall ((v_DerPreprocessor_89 Int)) (not (= ULTIMATE.start_main_~s~0.base (select (select (store |#memory_$Pointer$.base| ULTIMATE.start_dll_update_at_~head.base (store (select |#memory_$Pointer$.base| ULTIMATE.start_dll_update_at_~head.base) ULTIMATE.start_dll_update_at_~head.offset v_DerPreprocessor_89)) ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))))) .cse28 .cse31 .cse32 .cse33 (= ULTIMATE.start_main_~len~0 (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset)) .cse34 .cse35 .cse36) (let ((.cse41 (select |#memory_$Pointer$.base| ULTIMATE.start_dll_get_data_at_~head.base)) (.cse39 (+ ULTIMATE.start_dll_get_data_at_~head.offset 4))) (let ((.cse38 (select .cse41 .cse39)) (.cse40 (select (select |#memory_int| .cse43) .cse44))) (and (not (= .cse38 ULTIMATE.start_dll_get_data_at_~head.base)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8 .cse9 (<= 1 ULTIMATE.start_dll_get_data_at_~index) .cse10 .cse11 (<= ULTIMATE.start_dll_get_data_at_~index 1) .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (= (select (select |#memory_int| .cse38) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_dll_get_data_at_~head.base) .cse39)) ULTIMATE.start_main_~expected~0) (<= .cse40 (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) .cse18 .cse19 .cse20 .cse21 .cse22 (= (select .cse41 (+ ULTIMATE.start_dll_get_data_at_~head.offset 8)) 0) .cse23 (not (= .cse38 0)) (<= .cse42 .cse40) .cse24 .cse25 .cse26 .cse37 .cse27 .cse28 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36))))))) [2020-12-09 09:16:37,919 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 09:16:37,919 INFO L258 CegarLoopResult]: At program point L636(lines 624 643) the Hoare annotation is: false [2020-12-09 09:16:37,919 INFO L258 CegarLoopResult]: At program point L587-2(lines 587 600) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_dll_create_~head~0.base 0))) (.cse1 (= (select |#valid| ULTIMATE.start_dll_create_~head~0.base) 1)) (.cse3 (not (= ULTIMATE.start_dll_create_~new_head~0.base 0))) (.cse10 (= ULTIMATE.start_dll_create_~new_head~0.offset 0)) (.cse18 (<= ULTIMATE.start_dll_create_~len 2)) (.cse19 (= (select |#valid| ULTIMATE.start_dll_create_~new_head~0.base) 1)) (.cse8 (= |#t~string1.offset| 0)) (.cse9 (<= 0 |#t~string0.base|)) (.cse11 (<= ULTIMATE.start_main_~data~0 1)) (.cse12 (= |#NULL.base| 0)) (.cse13 (<= 1 ULTIMATE.start_main_~data~0)) (.cse14 (<= |ULTIMATE.start_dll_create_#in~data| 1)) (.cse15 (<= 1 ULTIMATE.start_dll_create_~data)) (.cse16 (<= 2 |ULTIMATE.start_dll_create_#in~len|)) (.cse2 (= 2 ULTIMATE.start_main_~len~0)) (.cse17 (<= 0 |#t~string1.base|)) (.cse4 (<= ULTIMATE.start_dll_create_~head~0.offset 0)) (.cse20 (<= 1 |ULTIMATE.start_dll_create_#in~data|)) (.cse5 (<= 0 ULTIMATE.start_dll_create_~head~0.offset)) (.cse21 (<= |ULTIMATE.start_dll_create_#in~len| 2)) (.cse6 (= |#NULL.offset| 0)) (.cse22 (<= ULTIMATE.start_dll_create_~data 1)) (.cse23 (= |#t~string0.offset| 0)) (.cse7 (<= 0 |#StackHeapBarrier|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= 1 ULTIMATE.start_dll_create_~len) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (let ((.cse25 (select |#memory_$Pointer$.base| ULTIMATE.start_dll_create_~head~0.base))) (let ((.cse24 (select .cse25 4))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_dll_create_~head~0.base (select (select |#memory_$Pointer$.base| .cse24) 8)) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (not (= .cse24 0)) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 (= (select .cse25 (+ ULTIMATE.start_dll_create_~head~0.offset 8)) 0) .cse21 .cse22 .cse23 (<= 0 ULTIMATE.start_dll_create_~len)))) (and .cse8 .cse9 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse2 .cse17 .cse4 (= ULTIMATE.start_dll_create_~len 2) .cse20 .cse5 .cse21 .cse6 .cse22 .cse23 .cse7))) [2020-12-09 09:16:37,919 INFO L265 CegarLoopResult]: At program point L604-2(lines 604 608) the Hoare annotation is: true [2020-12-09 09:16:37,919 INFO L258 CegarLoopResult]: At program point L629-2(lines 629 632) the Hoare annotation is: (let ((.cse28 (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base))) (let ((.cse11 (= ULTIMATE.start_dll_create_~new_head~0.offset 0)) (.cse1 (not (= ULTIMATE.start_dll_create_~head~0.base 0))) (.cse2 (= (select |#valid| ULTIMATE.start_dll_create_~head~0.base) 1)) (.cse3 (not (= (select .cse28 (+ ULTIMATE.start_main_~s~0.offset 4)) 0))) (.cse5 (<= ULTIMATE.start_dll_create_~head~0.offset 0)) (.cse10 (<= 0 |#t~string0.base|)) (.cse12 (<= ULTIMATE.start_main_~data~0 1)) (.cse15 (<= 1 ULTIMATE.start_main_~data~0)) (.cse16 (<= |ULTIMATE.start_dll_create_#in~data| 1)) (.cse17 (<= 1 ULTIMATE.start_dll_create_~data)) (.cse18 (<= 2 |ULTIMATE.start_dll_create_#in~len|)) (.cse19 (<= 0 |#t~string1.base|)) (.cse23 (<= ULTIMATE.start_dll_update_at_~index 0)) (.cse4 (not (= ULTIMATE.start_dll_create_~new_head~0.base 0))) (.cse20 (= (select .cse28 (+ ULTIMATE.start_main_~s~0.offset 8)) 0)) (.cse21 (= (select |#valid| ULTIMATE.start_dll_create_~new_head~0.base) 1)) (.cse22 (<= 1 |ULTIMATE.start_dll_create_#in~data|)) (.cse6 (<= 0 ULTIMATE.start_dll_create_~head~0.offset)) (.cse24 (<= |ULTIMATE.start_dll_create_#in~len| 2)) (.cse7 (= |#NULL.offset| 0)) (.cse25 (<= ULTIMATE.start_dll_create_~data 1)) (.cse26 (= |#t~string0.offset| 0)) (.cse27 (<= 0 ULTIMATE.start_dll_create_~len)) (.cse9 (<= 0 |#StackHeapBarrier|))) (or (let ((.cse0 (select .cse28 4)) (.cse14 (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4))) (let ((.cse13 (select (select |#memory_int| .cse0) .cse14)) (.cse8 (+ ULTIMATE.start_main_~len~0 1))) (and (= .cse0 ULTIMATE.start_dll_update_at_~head.base) .cse1 .cse2 (= 2 ULTIMATE.start_main_~len~0) .cse3 .cse4 .cse5 (not (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_dll_update_at_~head.base)) .cse6 .cse7 (<= ULTIMATE.start_dll_update_at_~data .cse8) .cse9 (= |#t~string1.offset| 0) .cse10 .cse11 .cse12 (= |#NULL.base| 0) (<= .cse13 .cse8) (= .cse14 ULTIMATE.start_dll_update_at_~head.offset) .cse15 .cse16 .cse17 .cse18 .cse19 (<= .cse8 .cse13) .cse20 (<= ULTIMATE.start_dll_create_~len 2) .cse21 (<= 2 ULTIMATE.start_main_~i~0) .cse22 .cse23 (= ULTIMATE.start_main_~s~0.offset 0) .cse24 (= ULTIMATE.start_main_~len~0 (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset)) .cse25 .cse26 (<= .cse8 ULTIMATE.start_dll_update_at_~data) .cse27))) (and .cse11 .cse1 .cse2 (let ((.cse29 (= ULTIMATE.start_dll_create_~head~0.base |ULTIMATE.start_dll_create_#res.base|)) (.cse30 (= ULTIMATE.start_main_~s~0.base |ULTIMATE.start_dll_create_#res.base|))) (or (and .cse29 (= ULTIMATE.start_main_~i~0 0) .cse30) (and .cse29 (= ULTIMATE.start_main_~s~0.base |ULTIMATE.start_dll_update_at_#in~head.base|) (= ULTIMATE.start_dll_update_at_~head.base |ULTIMATE.start_dll_update_at_#in~head.base|) .cse30 (= ULTIMATE.start_dll_update_at_~data (select (select |#memory_int| ULTIMATE.start_dll_update_at_~head.base) ULTIMATE.start_dll_update_at_~head.offset))))) .cse3 (let ((.cse31 (<= 2 ULTIMATE.start_main_~len~0)) (.cse33 (<= ULTIMATE.start_main_~len~0 2)) (.cse34 (<= |#t~string1.offset| 0)) (.cse36 (<= |ULTIMATE.start_dll_create_#res.offset| 0)) (.cse37 (<= 0 ULTIMATE.start_main_~s~0.offset)) (.cse38 (<= ULTIMATE.start_dll_create_~len 0)) (.cse39 (<= ULTIMATE.start_main_~s~0.offset 0)) (.cse32 (<= |#NULL.base| 0)) (.cse35 (<= 0 |ULTIMATE.start_dll_create_#res.offset|)) (.cse40 (<= 0 |#t~string1.offset|)) (.cse41 (<= 0 |#NULL.base|))) (or (and .cse10 (<= 0 ULTIMATE.start_main_~i~0) .cse31 (<= ULTIMATE.start_main_~i~0 0) .cse32 .cse12 .cse15 .cse16 .cse33 .cse17 .cse18 .cse19 .cse34 .cse5 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41) (and (<= 2 ULTIMATE.start_main_~new_data~0) .cse31 (<= |ULTIMATE.start_dll_update_at_#in~data| 2) (<= 2 ULTIMATE.start_dll_update_at_~data) (<= 0 |ULTIMATE.start_dll_update_at_#in~index|) (<= ULTIMATE.start_dll_update_at_~head.offset 0) .cse33 (<= 2 |ULTIMATE.start_dll_update_at_#in~data|) .cse34 .cse5 .cse36 .cse37 (<= 0 |ULTIMATE.start_dll_update_at_#in~head.offset|) .cse38 .cse39 (<= ULTIMATE.start_main_~new_data~0 2) .cse10 .cse32 .cse12 .cse15 .cse16 .cse17 .cse18 .cse19 (<= 0 ULTIMATE.start_dll_update_at_~index) .cse35 (<= 0 ULTIMATE.start_dll_update_at_~head.offset) .cse23 (<= 1 ULTIMATE.start_main_~i~0) .cse40 (<= |ULTIMATE.start_dll_update_at_#in~index| 0) .cse41 (<= |ULTIMATE.start_dll_update_at_#in~head.offset| 0) (<= ULTIMATE.start_dll_update_at_~data 2)))) .cse4 .cse20 .cse21 .cse22 (<= ULTIMATE.start_main_~i~0 1) .cse6 .cse24 .cse7 (= ULTIMATE.start_dll_create_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ULTIMATE.start_dll_create_~head~0.base) 4)) 8)) .cse25 .cse26 .cse27 .cse9)))) [2020-12-09 09:16:37,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,935 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,935 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,935 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_89,QUANTIFIED] [2020-12-09 09:16:37,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_89,QUANTIFIED] [2020-12-09 09:16:37,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_89,QUANTIFIED] [2020-12-09 09:16:37,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,996 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_89,QUANTIFIED] [2020-12-09 09:16:37,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:37,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:37,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:16:38 BoogieIcfgContainer [2020-12-09 09:16:38,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 09:16:38,001 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 09:16:38,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 09:16:38,001 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 09:16:38,002 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:15:23" (3/4) ... [2020-12-09 09:16:38,004 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 09:16:38,013 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-09 09:16:38,013 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-09 09:16:38,013 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 09:16:38,014 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 09:16:38,032 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((!(head == 0) && \valid[head] == 1) && 2 == len) && !(new_head == 0)) && head <= 0) && 0 <= head) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "dll2n_update_all.c" == 0) && 0 <= "0") && new_head == 0) && 1 <= len) && data <= 1) && #NULL == 0) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && len <= 2) && \valid[new_head] == 1) && 1 <= \old(data)) && \old(len) <= 2) && data <= 1) && "0" == 0) || (((((((((((((((((((((((((((!(head == 0) && \valid[head] == 1) && 2 == len) && !(new_head == 0)) && head <= 0) && 0 <= head) && #NULL == 0) && head == #memory_$Pointer$[#memory_$Pointer$[head][4]][8]) && 0 <= unknown-#StackHeapBarrier-unknown) && "dll2n_update_all.c" == 0) && 0 <= "0") && new_head == 0) && data <= 1) && #NULL == 0) && !(#memory_$Pointer$[head][4] == 0)) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && len <= 2) && \valid[new_head] == 1) && 1 <= \old(data)) && #memory_$Pointer$[head][head + 8] == 0) && \old(len) <= 2) && data <= 1) && "0" == 0) && 0 <= len)) || (((((((((((((((((("dll2n_update_all.c" == 0 && 0 <= "0") && data <= 1) && #NULL == 0) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 2 == len) && 0 <= "dll2n_update_all.c") && head <= 0) && len == 2) && 1 <= \old(data)) && 0 <= head) && \old(len) <= 2) && #NULL == 0) && data <= 1) && "0" == 0) && 0 <= unknown-#StackHeapBarrier-unknown) [2020-12-09 09:16:38,032 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((((#memory_$Pointer$[s][4] == head && !(head == 0)) && \valid[head] == 1) && 2 == len) && !(#memory_$Pointer$[s][s + 4] == 0)) && !(new_head == 0)) && head <= 0) && !(s == head)) && 0 <= head) && #NULL == 0) && data <= len + 1) && 0 <= unknown-#StackHeapBarrier-unknown) && "dll2n_update_all.c" == 0) && 0 <= "0") && new_head == 0) && data <= 1) && #NULL == 0) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + 1) && #memory_$Pointer$[s][4] == head) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && len + 1 <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && #memory_$Pointer$[s][s + 8] == 0) && len <= 2) && \valid[new_head] == 1) && 2 <= i) && 1 <= \old(data)) && index <= 0) && s == 0) && \old(len) <= 2) && len == unknown-#memory_int-unknown[s][s]) && data <= 1) && "0" == 0) && len + 1 <= data) && 0 <= len) || ((((((((((((((((((new_head == 0 && !(head == 0)) && \valid[head] == 1) && (((head == \result && i == 0) && s == \result) || ((((head == \result && s == head) && head == head) && s == \result) && data == unknown-#memory_int-unknown[head][head]))) && !(#memory_$Pointer$[s][s + 4] == 0)) && (((((((((((((((((((((0 <= "0" && 0 <= i) && 2 <= len) && i <= 0) && #NULL <= 0) && data <= 1) && 1 <= data) && \old(data) <= 1) && len <= 2) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && "dll2n_update_all.c" <= 0) && head <= 0) && 0 <= \result) && \result <= 0) && 0 <= s) && len <= 0) && s <= 0) && 0 <= "dll2n_update_all.c") && 0 <= #NULL) || (((((((((((((((((((((((((((((((((2 <= new_data && 2 <= len) && \old(data) <= 2) && 2 <= data) && 0 <= \old(index)) && head <= 0) && len <= 2) && 2 <= \old(data)) && "dll2n_update_all.c" <= 0) && head <= 0) && \result <= 0) && 0 <= s) && 0 <= head) && len <= 0) && s <= 0) && new_data <= 2) && 0 <= "0") && #NULL <= 0) && data <= 1) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && 0 <= index) && 0 <= \result) && 0 <= head) && index <= 0) && 1 <= i) && 0 <= "dll2n_update_all.c") && \old(index) <= 0) && 0 <= #NULL) && head <= 0) && data <= 2))) && !(new_head == 0)) && #memory_$Pointer$[s][s + 8] == 0) && \valid[new_head] == 1) && 1 <= \old(data)) && i <= 1) && 0 <= head) && \old(len) <= 2) && #NULL == 0) && head == #memory_$Pointer$[#memory_$Pointer$[head][4]][8]) && data <= 1) && "0" == 0) && 0 <= len) && 0 <= unknown-#StackHeapBarrier-unknown) [2020-12-09 09:16:38,033 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((!(head == 0) && \valid[head] == 1) && 2 == len) && !(new_head == 0)) && head <= 0) && 0 <= head) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && new_head == 0) && "dll2n_update_all.c" == 0) && 0 <= "0") && data <= 1) && #NULL == 0) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && len <= 2) && 2 <= i) && \valid[new_head] == 1) && 1 <= \old(data)) && index <= 0) && \old(len) <= 2) && data <= 1) && "0" == 0) && 0 <= len) || ((((((((((((((((((((((((((((((((((((#memory_$Pointer$[s][4] == head && !(head == 0)) && \valid[head] == 1) && !(#memory_$Pointer$[s][s + 4] == 0)) && 2 == len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] == len + 1) && !(new_head == 0)) && head <= 0) && 0 <= head) && #NULL == 0) && data <= len + 1) && 0 <= unknown-#StackHeapBarrier-unknown) && new_head == 0) && "dll2n_update_all.c" == 0) && 0 <= "0") && data <= 1) && #NULL == 0) && #memory_$Pointer$[s][4] == head) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && i == 0) && #memory_$Pointer$[s][s + 8] == 0) && len <= 2) && \valid[new_head] == 1) && 1 <= \old(data)) && (forall v_DerPreprocessor_89 : int :: !(s == #memory_$Pointer$[head := #memory_$Pointer$[head][head := v_DerPreprocessor_89]][s][s + 4]))) && index <= 0) && s == 0) && \old(len) <= 2) && data <= 1) && len == unknown-#memory_int-unknown[s][s]) && "0" == 0) && len + 1 <= data) && 0 <= len)) || ((((((((((((((((((((((((((((((((((((#memory_$Pointer$[s][4] == head && !(head == 0)) && \valid[head] == 1) && !(#memory_$Pointer$[s][s + 4] == 0)) && 2 == len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] == len + 1) && !(new_head == 0)) && head <= 0) && !(s == head)) && 0 <= head) && #NULL == 0) && data <= len + 1) && 0 <= unknown-#StackHeapBarrier-unknown) && new_head == 0) && "dll2n_update_all.c" == 0) && 0 <= "0") && data <= 1) && #NULL == 0) && #memory_$Pointer$[s][4] == head) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && index <= 0) && 0 <= "dll2n_update_all.c") && len <= 2) && #memory_$Pointer$[s][s + 8] == 0) && \valid[new_head] == 1) && 1 <= \old(data)) && index <= 0) && 1 <= i) && s == 0) && \old(len) <= 2) && data <= 1) && "0" == 0) && len + 1 <= data) && 0 <= len) [2020-12-09 09:16:38,033 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((!(#memory_$Pointer$[s][4] == 0) && \valid[head] == 1) && !(head == 0)) && 2 == len) && head == 0) && !(new_head == 0)) && \result <= 0) && 0 <= head) && len <= 0) && #NULL == 0) && head == #memory_$Pointer$[#memory_$Pointer$[head][4]][8]) && 0 <= unknown-#StackHeapBarrier-unknown) && "dll2n_update_all.c" == 0) && 0 <= "0") && new_head == 0) && s == head) && data <= 1) && #NULL == 0) && ((((((((((head == \result && i == 0) && new_data == \old(data)) && s == head) && \old(index) == index) && head == head) && new_data == len + i) && \old(data) == data) && s == \result) && i == \old(index)) || ((((((((((head == \result && new_data == \old(data)) && s == head) && \old(index) == index) && head == head) && new_data == len + i) && \old(data) == data) && s == \result) && len == unknown-#memory_int-unknown[s][s]) && i == \old(index)) && i < len))) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && 0 <= \result) && i == 0) && len <= 2) && #memory_$Pointer$[s][s + 8] == 0) && \valid[new_head] == 1) && 1 <= \old(data)) && s == 0) && \old(len) <= 2) && head <= 0) && data <= 1) && "0" == 0) && 0 <= len) || (((((((((((((((((((((((((((((((((((!(#memory_$Pointer$[s][4] == 0) && \valid[head] == 1) && !(head == 0)) && 2 == len) && head == 0) && !(new_head == 0)) && \result <= 0) && 0 <= head) && len <= 0) && #NULL == 0) && 1 <= index) && head == #memory_$Pointer$[#memory_$Pointer$[head][4]][8]) && 0 <= unknown-#StackHeapBarrier-unknown) && "dll2n_update_all.c" == 0) && 0 <= "0") && new_head == 0) && s == head) && data <= 1) && #NULL == 0) && ((((((((((head == \result && i == 0) && new_data == \old(data)) && s == head) && \old(index) == index) && head == head) && new_data == len + i) && \old(data) == data) && s == \result) && i == \old(index)) || ((((((((((head == \result && new_data == \old(data)) && s == head) && \old(index) == index) && head == head) && new_data == len + i) && \old(data) == data) && s == \result) && len == unknown-#memory_int-unknown[s][s]) && i == \old(index)) && i < len))) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && 0 <= \result) && len <= 2) && #memory_$Pointer$[s][s + 8] == 0) && \valid[new_head] == 1) && 1 <= \old(data)) && s == 0) && \old(len) <= 2) && head <= 0) && data <= 1) && "0" == 0) && 0 <= len)) || ((((((((((((((((((((((((((((((((((((((#memory_$Pointer$[head][8] == 0 && \valid[head] == 1) && !(head == 0)) && 2 == len) && head == 0) && !(#memory_$Pointer$[s][s + 4] == 0)) && !(new_head == 0)) && #memory_$Pointer$[#memory_$Pointer$[s][4]][8] == s) && #NULL == 0) && head == #memory_$Pointer$[#memory_$Pointer$[head][4]][8]) && data <= len + 1) && 0 <= unknown-#StackHeapBarrier-unknown) && "dll2n_update_all.c" == 0) && 0 <= "0") && new_head == 0) && data <= 1) && #NULL == 0) && !(#memory_$Pointer$[head][4] == 0)) && #memory_$Pointer$[s][4] == head) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && len <= 2) && #memory_$Pointer$[s][s + 8] == 0) && \valid[new_head] == 1) && 1 <= \old(data)) && index <= 0) && i <= 1) && 1 <= i) && s == 0) && \old(len) <= 2) && #memory_$Pointer$[s][s + 4] == head) && data <= 1) && len == unknown-#memory_int-unknown[s][s]) && "0" == 0) && len + 1 <= data) && 0 <= len) [2020-12-09 09:16:38,033 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((((#memory_$Pointer$[s][4] == head && !(head == 0)) && \valid[head] == 1) && 2 == len) && !(#memory_$Pointer$[s][s + 4] == 0)) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] == len + 1) && !(new_head == 0)) && head <= 0) && !(s == head)) && 0 <= head) && #NULL == 0) && data <= len + 1) && 0 <= unknown-#StackHeapBarrier-unknown) && new_head == 0) && "dll2n_update_all.c" == 0) && 0 <= "0") && data <= 1) && #NULL == 0) && 1 <= data) && #memory_$Pointer$[s][4] == head) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && index <= 0) && len <= 2) && #memory_$Pointer$[s][s + 8] == 0) && \valid[new_head] == 1) && 1 <= \old(data)) && index <= 0) && unknown-#memory_int-unknown[head][head] == expected) && i <= 1) && 1 <= i) && s == 0) && \old(len) <= 2) && !(head == 0)) && data <= 1) && "0" == 0) && len + 1 <= data) && 0 <= len) || (((((((((((((((((((((((((((((((((((((((#memory_$Pointer$[s][4] == head && !(head == 0)) && \valid[head] == 1) && !(#memory_$Pointer$[s][s + 4] == 0)) && 2 == len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] == len + 1) && !(new_head == 0)) && head <= 0) && 0 <= head) && expected == unknown-#memory_int-unknown[head][0]) && #NULL == 0) && data <= len + 1) && 0 <= unknown-#StackHeapBarrier-unknown) && new_head == 0) && "dll2n_update_all.c" == 0) && 0 <= "0") && data <= 1) && #NULL == 0) && #memory_$Pointer$[s][4] == head) && 1 <= data) && \old(data) <= 1) && index == 0) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && i == 0) && #memory_$Pointer$[s][s + 8] == 0) && len <= 2) && \valid[new_head] == 1) && 0 == head) && 1 <= \old(data)) && (forall v_DerPreprocessor_89 : int :: !(s == #memory_$Pointer$[head := #memory_$Pointer$[head][head := v_DerPreprocessor_89]][s][s + 4]))) && index <= 0) && s == 0) && \old(len) <= 2) && data <= 1) && len == unknown-#memory_int-unknown[s][s]) && "0" == 0) && len + 1 <= data) && 0 <= len)) || (((((((((((((((((((((((((((((((((((((((((((!(#memory_$Pointer$[head][head + 4] == head) && #memory_$Pointer$[s][4] == head) && !(head == 0)) && \valid[head] == 1) && 2 == len) && !(#memory_$Pointer$[s][s + 4] == 0)) && !(new_head == 0)) && head <= 0) && !(s == head)) && 0 <= head) && 1 <= index) && #NULL == 0) && data <= len + 1) && index <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && new_head == 0) && "dll2n_update_all.c" == 0) && 0 <= "0") && data <= 1) && #NULL == 0) && unknown-#memory_int-unknown[#memory_$Pointer$[head][head + 4]][#memory_$Pointer$[head][head + 4]] == expected) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + i) && 1 <= data) && #memory_$Pointer$[s][4] == head) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && #memory_$Pointer$[head][head + 8] == 0) && 0 <= "dll2n_update_all.c") && !(#memory_$Pointer$[head][head + 4] == 0)) && len + 1 <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && len <= 2) && #memory_$Pointer$[s][s + 8] == 0) && \valid[new_head] == 1) && 0 == head) && 1 <= \old(data)) && index <= 0) && i <= 1) && s == 0) && \old(len) <= 2) && data <= 1) && "0" == 0) && len + 1 <= data) && 0 <= len) [2020-12-09 09:16:38,041 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_93efa39e-faf2-4c79-a4ec-673418d6f396/bin/utaipan/witness.graphml [2020-12-09 09:16:38,042 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 09:16:38,042 INFO L168 Benchmark]: Toolchain (without parser) took 75125.17 ms. Allocated memory was 109.1 MB in the beginning and 234.9 MB in the end (delta: 125.8 MB). Free memory was 67.4 MB in the beginning and 182.1 MB in the end (delta: -114.7 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2020-12-09 09:16:38,042 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 109.1 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 09:16:38,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.62 ms. Allocated memory is still 109.1 MB. Free memory was 67.2 MB in the beginning and 72.2 MB in the end (delta: -4.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-12-09 09:16:38,042 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.13 ms. Allocated memory is still 109.1 MB. Free memory was 71.8 MB in the beginning and 70.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 09:16:38,043 INFO L168 Benchmark]: Boogie Preprocessor took 22.06 ms. Allocated memory is still 109.1 MB. Free memory was 70.1 MB in the beginning and 68.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 09:16:38,043 INFO L168 Benchmark]: RCFGBuilder took 475.47 ms. Allocated memory is still 109.1 MB. Free memory was 68.5 MB in the beginning and 54.0 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-09 09:16:38,043 INFO L168 Benchmark]: TraceAbstraction took 74252.36 ms. Allocated memory was 109.1 MB in the beginning and 234.9 MB in the end (delta: 125.8 MB). Free memory was 54.0 MB in the beginning and 186.3 MB in the end (delta: -132.3 MB). Peak memory consumption was 122.0 MB. Max. memory is 16.1 GB. [2020-12-09 09:16:38,043 INFO L168 Benchmark]: Witness Printer took 40.74 ms. Allocated memory is still 234.9 MB. Free memory was 186.3 MB in the beginning and 182.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 09:16:38,043 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 109.1 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 298.62 ms. Allocated memory is still 109.1 MB. Free memory was 67.2 MB in the beginning and 72.2 MB in the end (delta: -4.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.13 ms. Allocated memory is still 109.1 MB. Free memory was 71.8 MB in the beginning and 70.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.06 ms. Allocated memory is still 109.1 MB. Free memory was 70.1 MB in the beginning and 68.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 475.47 ms. Allocated memory is still 109.1 MB. Free memory was 68.5 MB in the beginning and 54.0 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 74252.36 ms. Allocated memory was 109.1 MB in the beginning and 234.9 MB in the end (delta: 125.8 MB). Free memory was 54.0 MB in the beginning and 186.3 MB in the end (delta: -132.3 MB). Peak memory consumption was 122.0 MB. Max. memory is 16.1 GB. * Witness Printer took 40.74 ms. Allocated memory is still 234.9 MB. Free memory was 186.3 MB in the beginning and 182.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_89,QUANTIFIED] - 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_$Pointer$.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_$Pointer$.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_$Pointer$.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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_89,QUANTIFIED] - 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_$Pointer$.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_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_89,QUANTIFIED] - 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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_89,QUANTIFIED] - 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 641]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 587]: Loop Invariant [2020-12-09 09:16:38,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((((((((((((((((((((((!(head == 0) && \valid[head] == 1) && 2 == len) && !(new_head == 0)) && head <= 0) && 0 <= head) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "dll2n_update_all.c" == 0) && 0 <= "0") && new_head == 0) && 1 <= len) && data <= 1) && #NULL == 0) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && len <= 2) && \valid[new_head] == 1) && 1 <= \old(data)) && \old(len) <= 2) && data <= 1) && "0" == 0) || (((((((((((((((((((((((((((!(head == 0) && \valid[head] == 1) && 2 == len) && !(new_head == 0)) && head <= 0) && 0 <= head) && #NULL == 0) && head == #memory_$Pointer$[#memory_$Pointer$[head][4]][8]) && 0 <= unknown-#StackHeapBarrier-unknown) && "dll2n_update_all.c" == 0) && 0 <= "0") && new_head == 0) && data <= 1) && #NULL == 0) && !(#memory_$Pointer$[head][4] == 0)) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && len <= 2) && \valid[new_head] == 1) && 1 <= \old(data)) && #memory_$Pointer$[head][head + 8] == 0) && \old(len) <= 2) && data <= 1) && "0" == 0) && 0 <= len)) || (((((((((((((((((("dll2n_update_all.c" == 0 && 0 <= "0") && data <= 1) && #NULL == 0) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 2 == len) && 0 <= "dll2n_update_all.c") && head <= 0) && len == 2) && 1 <= \old(data)) && 0 <= head) && \old(len) <= 2) && #NULL == 0) && data <= 1) && "0" == 0) && 0 <= unknown-#StackHeapBarrier-unknown) - InvariantResult [Line: 629]: Loop Invariant [2020-12-09 09:16:38,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,052 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,052 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,052 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((((((((((((((((((((((((((((((((((#memory_$Pointer$[s][4] == head && !(head == 0)) && \valid[head] == 1) && 2 == len) && !(#memory_$Pointer$[s][s + 4] == 0)) && !(new_head == 0)) && head <= 0) && !(s == head)) && 0 <= head) && #NULL == 0) && data <= len + 1) && 0 <= unknown-#StackHeapBarrier-unknown) && "dll2n_update_all.c" == 0) && 0 <= "0") && new_head == 0) && data <= 1) && #NULL == 0) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + 1) && #memory_$Pointer$[s][4] == head) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && len + 1 <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && #memory_$Pointer$[s][s + 8] == 0) && len <= 2) && \valid[new_head] == 1) && 2 <= i) && 1 <= \old(data)) && index <= 0) && s == 0) && \old(len) <= 2) && len == unknown-#memory_int-unknown[s][s]) && data <= 1) && "0" == 0) && len + 1 <= data) && 0 <= len) || ((((((((((((((((((new_head == 0 && !(head == 0)) && \valid[head] == 1) && (((head == \result && i == 0) && s == \result) || ((((head == \result && s == head) && head == head) && s == \result) && data == unknown-#memory_int-unknown[head][head]))) && !(#memory_$Pointer$[s][s + 4] == 0)) && (((((((((((((((((((((0 <= "0" && 0 <= i) && 2 <= len) && i <= 0) && #NULL <= 0) && data <= 1) && 1 <= data) && \old(data) <= 1) && len <= 2) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && "dll2n_update_all.c" <= 0) && head <= 0) && 0 <= \result) && \result <= 0) && 0 <= s) && len <= 0) && s <= 0) && 0 <= "dll2n_update_all.c") && 0 <= #NULL) || (((((((((((((((((((((((((((((((((2 <= new_data && 2 <= len) && \old(data) <= 2) && 2 <= data) && 0 <= \old(index)) && head <= 0) && len <= 2) && 2 <= \old(data)) && "dll2n_update_all.c" <= 0) && head <= 0) && \result <= 0) && 0 <= s) && 0 <= head) && len <= 0) && s <= 0) && new_data <= 2) && 0 <= "0") && #NULL <= 0) && data <= 1) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && 0 <= index) && 0 <= \result) && 0 <= head) && index <= 0) && 1 <= i) && 0 <= "dll2n_update_all.c") && \old(index) <= 0) && 0 <= #NULL) && head <= 0) && data <= 2))) && !(new_head == 0)) && #memory_$Pointer$[s][s + 8] == 0) && \valid[new_head] == 1) && 1 <= \old(data)) && i <= 1) && 0 <= head) && \old(len) <= 2) && #NULL == 0) && head == #memory_$Pointer$[#memory_$Pointer$[head][4]][8]) && data <= 1) && "0" == 0) && 0 <= len) && 0 <= unknown-#StackHeapBarrier-unknown) - InvariantResult [Line: 618]: Loop Invariant [2020-12-09 09:16:38,053 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,053 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,053 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,053 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,053 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,053 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,053 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((((((((((((((((((((((((((((((((!(#memory_$Pointer$[s][4] == 0) && \valid[head] == 1) && !(head == 0)) && 2 == len) && head == 0) && !(new_head == 0)) && \result <= 0) && 0 <= head) && len <= 0) && #NULL == 0) && head == #memory_$Pointer$[#memory_$Pointer$[head][4]][8]) && 0 <= unknown-#StackHeapBarrier-unknown) && "dll2n_update_all.c" == 0) && 0 <= "0") && new_head == 0) && s == head) && data <= 1) && #NULL == 0) && ((((((((((head == \result && i == 0) && new_data == \old(data)) && s == head) && \old(index) == index) && head == head) && new_data == len + i) && \old(data) == data) && s == \result) && i == \old(index)) || ((((((((((head == \result && new_data == \old(data)) && s == head) && \old(index) == index) && head == head) && new_data == len + i) && \old(data) == data) && s == \result) && len == unknown-#memory_int-unknown[s][s]) && i == \old(index)) && i < len))) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && 0 <= \result) && i == 0) && len <= 2) && #memory_$Pointer$[s][s + 8] == 0) && \valid[new_head] == 1) && 1 <= \old(data)) && s == 0) && \old(len) <= 2) && head <= 0) && data <= 1) && "0" == 0) && 0 <= len) || (((((((((((((((((((((((((((((((((((!(#memory_$Pointer$[s][4] == 0) && \valid[head] == 1) && !(head == 0)) && 2 == len) && head == 0) && !(new_head == 0)) && \result <= 0) && 0 <= head) && len <= 0) && #NULL == 0) && 1 <= index) && head == #memory_$Pointer$[#memory_$Pointer$[head][4]][8]) && 0 <= unknown-#StackHeapBarrier-unknown) && "dll2n_update_all.c" == 0) && 0 <= "0") && new_head == 0) && s == head) && data <= 1) && #NULL == 0) && ((((((((((head == \result && i == 0) && new_data == \old(data)) && s == head) && \old(index) == index) && head == head) && new_data == len + i) && \old(data) == data) && s == \result) && i == \old(index)) || ((((((((((head == \result && new_data == \old(data)) && s == head) && \old(index) == index) && head == head) && new_data == len + i) && \old(data) == data) && s == \result) && len == unknown-#memory_int-unknown[s][s]) && i == \old(index)) && i < len))) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && 0 <= \result) && len <= 2) && #memory_$Pointer$[s][s + 8] == 0) && \valid[new_head] == 1) && 1 <= \old(data)) && s == 0) && \old(len) <= 2) && head <= 0) && data <= 1) && "0" == 0) && 0 <= len)) || ((((((((((((((((((((((((((((((((((((((#memory_$Pointer$[head][8] == 0 && \valid[head] == 1) && !(head == 0)) && 2 == len) && head == 0) && !(#memory_$Pointer$[s][s + 4] == 0)) && !(new_head == 0)) && #memory_$Pointer$[#memory_$Pointer$[s][4]][8] == s) && #NULL == 0) && head == #memory_$Pointer$[#memory_$Pointer$[head][4]][8]) && data <= len + 1) && 0 <= unknown-#StackHeapBarrier-unknown) && "dll2n_update_all.c" == 0) && 0 <= "0") && new_head == 0) && data <= 1) && #NULL == 0) && !(#memory_$Pointer$[head][4] == 0)) && #memory_$Pointer$[s][4] == head) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && len <= 2) && #memory_$Pointer$[s][s + 8] == 0) && \valid[new_head] == 1) && 1 <= \old(data)) && index <= 0) && i <= 1) && 1 <= i) && s == 0) && \old(len) <= 2) && #memory_$Pointer$[s][s + 4] == head) && data <= 1) && len == unknown-#memory_int-unknown[s][s]) && "0" == 0) && len + 1 <= data) && 0 <= len) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant [2020-12-09 09:16:38,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_89,QUANTIFIED] [2020-12-09 09:16:38,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_89,QUANTIFIED] [2020-12-09 09:16:38,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((#memory_$Pointer$[s][4] == head && !(head == 0)) && \valid[head] == 1) && 2 == len) && !(#memory_$Pointer$[s][s + 4] == 0)) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] == len + 1) && !(new_head == 0)) && head <= 0) && !(s == head)) && 0 <= head) && #NULL == 0) && data <= len + 1) && 0 <= unknown-#StackHeapBarrier-unknown) && new_head == 0) && "dll2n_update_all.c" == 0) && 0 <= "0") && data <= 1) && #NULL == 0) && 1 <= data) && #memory_$Pointer$[s][4] == head) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && index <= 0) && len <= 2) && #memory_$Pointer$[s][s + 8] == 0) && \valid[new_head] == 1) && 1 <= \old(data)) && index <= 0) && unknown-#memory_int-unknown[head][head] == expected) && i <= 1) && 1 <= i) && s == 0) && \old(len) <= 2) && !(head == 0)) && data <= 1) && "0" == 0) && len + 1 <= data) && 0 <= len) || (((((((((((((((((((((((((((((((((((((((#memory_$Pointer$[s][4] == head && !(head == 0)) && \valid[head] == 1) && !(#memory_$Pointer$[s][s + 4] == 0)) && 2 == len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] == len + 1) && !(new_head == 0)) && head <= 0) && 0 <= head) && expected == unknown-#memory_int-unknown[head][0]) && #NULL == 0) && data <= len + 1) && 0 <= unknown-#StackHeapBarrier-unknown) && new_head == 0) && "dll2n_update_all.c" == 0) && 0 <= "0") && data <= 1) && #NULL == 0) && #memory_$Pointer$[s][4] == head) && 1 <= data) && \old(data) <= 1) && index == 0) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && i == 0) && #memory_$Pointer$[s][s + 8] == 0) && len <= 2) && \valid[new_head] == 1) && 0 == head) && 1 <= \old(data)) && (forall v_DerPreprocessor_89 : int :: !(s == #memory_$Pointer$[head := #memory_$Pointer$[head][head := v_DerPreprocessor_89]][s][s + 4]))) && index <= 0) && s == 0) && \old(len) <= 2) && data <= 1) && len == unknown-#memory_int-unknown[s][s]) && "0" == 0) && len + 1 <= data) && 0 <= len)) || (((((((((((((((((((((((((((((((((((((((((((!(#memory_$Pointer$[head][head + 4] == head) && #memory_$Pointer$[s][4] == head) && !(head == 0)) && \valid[head] == 1) && 2 == len) && !(#memory_$Pointer$[s][s + 4] == 0)) && !(new_head == 0)) && head <= 0) && !(s == head)) && 0 <= head) && 1 <= index) && #NULL == 0) && data <= len + 1) && index <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && new_head == 0) && "dll2n_update_all.c" == 0) && 0 <= "0") && data <= 1) && #NULL == 0) && unknown-#memory_int-unknown[#memory_$Pointer$[head][head + 4]][#memory_$Pointer$[head][head + 4]] == expected) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + i) && 1 <= data) && #memory_$Pointer$[s][4] == head) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && #memory_$Pointer$[head][head + 8] == 0) && 0 <= "dll2n_update_all.c") && !(#memory_$Pointer$[head][head + 4] == 0)) && len + 1 <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && len <= 2) && #memory_$Pointer$[s][s + 8] == 0) && \valid[new_head] == 1) && 0 == head) && 1 <= \old(data)) && index <= 0) && i <= 1) && s == 0) && \old(len) <= 2) && data <= 1) && "0" == 0) && len + 1 <= data) && 0 <= len) - InvariantResult [Line: 633]: Loop Invariant [2020-12-09 09:16:38,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_89,QUANTIFIED] [2020-12-09 09:16:38,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_89,QUANTIFIED] [2020-12-09 09:16:38,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 09:16:38,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 09:16:38,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((((((((((((((((((((((((!(head == 0) && \valid[head] == 1) && 2 == len) && !(new_head == 0)) && head <= 0) && 0 <= head) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && new_head == 0) && "dll2n_update_all.c" == 0) && 0 <= "0") && data <= 1) && #NULL == 0) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && len <= 2) && 2 <= i) && \valid[new_head] == 1) && 1 <= \old(data)) && index <= 0) && \old(len) <= 2) && data <= 1) && "0" == 0) && 0 <= len) || ((((((((((((((((((((((((((((((((((((#memory_$Pointer$[s][4] == head && !(head == 0)) && \valid[head] == 1) && !(#memory_$Pointer$[s][s + 4] == 0)) && 2 == len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] == len + 1) && !(new_head == 0)) && head <= 0) && 0 <= head) && #NULL == 0) && data <= len + 1) && 0 <= unknown-#StackHeapBarrier-unknown) && new_head == 0) && "dll2n_update_all.c" == 0) && 0 <= "0") && data <= 1) && #NULL == 0) && #memory_$Pointer$[s][4] == head) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && 0 <= "dll2n_update_all.c") && i == 0) && #memory_$Pointer$[s][s + 8] == 0) && len <= 2) && \valid[new_head] == 1) && 1 <= \old(data)) && (forall v_DerPreprocessor_89 : int :: !(s == #memory_$Pointer$[head := #memory_$Pointer$[head][head := v_DerPreprocessor_89]][s][s + 4]))) && index <= 0) && s == 0) && \old(len) <= 2) && data <= 1) && len == unknown-#memory_int-unknown[s][s]) && "0" == 0) && len + 1 <= data) && 0 <= len)) || ((((((((((((((((((((((((((((((((((((#memory_$Pointer$[s][4] == head && !(head == 0)) && \valid[head] == 1) && !(#memory_$Pointer$[s][s + 4] == 0)) && 2 == len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] == len + 1) && !(new_head == 0)) && head <= 0) && !(s == head)) && 0 <= head) && #NULL == 0) && data <= len + 1) && 0 <= unknown-#StackHeapBarrier-unknown) && new_head == 0) && "dll2n_update_all.c" == 0) && 0 <= "0") && data <= 1) && #NULL == 0) && #memory_$Pointer$[s][4] == head) && 1 <= data) && \old(data) <= 1) && 1 <= data) && 2 <= \old(len)) && index <= 0) && 0 <= "dll2n_update_all.c") && len <= 2) && #memory_$Pointer$[s][s + 8] == 0) && \valid[new_head] == 1) && 1 <= \old(data)) && index <= 0) && 1 <= i) && s == 0) && \old(len) <= 2) && data <= 1) && "0" == 0) && len + 1 <= data) && 0 <= len) - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 53.3s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 130 SDtfs, 449 SDslu, 393 SDs, 0 SdLazy, 1095 SolverSat, 232 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 582 GetRequests, 340 SyntacticMatches, 13 SemanticMatches, 229 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 1719 ImplicationChecksByTransitivity, 27.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 80 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 26 NumberOfFragments, 2336 HoareAnnotationTreeSize, 9 FomulaSimplifications, 25620 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 5129 FormulaSimplificationTreeSizeReductionInter, 20.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 400 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 545 ConstructedInterpolants, 22 QuantifiedInterpolants, 84971 SizeOfPredicates, 107 NumberOfNonLiveVariables, 1891 ConjunctsInSsa, 205 ConjunctsInUnsatCore, 36 InterpolantComputations, 6 PerfectInterpolantSequences, 303/413 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME[ms]: 4358, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 14, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 24, TOOLS_POST_TIME[ms]: 3870, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 24, TOOLS_QUANTIFIERELIM_TIME[ms]: 3860, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 869, FLUID_QUERY_TIME[ms]: 3, FLUID_QUERIES: 50, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 213, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 187, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 14, DOMAIN_ISBOTTOM_TIME[ms]: 31, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2496, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2496, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 1, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 292, DAG_COMPRESSION_RETAINED_NODES: 59, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...