/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/dll2n_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 21:24:00,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 21:24:00,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 21:24:00,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 21:24:00,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 21:24:00,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 21:24:00,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 21:24:00,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 21:24:00,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 21:24:00,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 21:24:00,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 21:24:00,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 21:24:00,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 21:24:00,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 21:24:00,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 21:24:00,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 21:24:00,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 21:24:00,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 21:24:00,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 21:24:00,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 21:24:00,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 21:24:00,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 21:24:00,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 21:24:00,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 21:24:00,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 21:24:00,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 21:24:00,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 21:24:00,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 21:24:00,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 21:24:00,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 21:24:00,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 21:24:00,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 21:24:00,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 21:24:00,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 21:24:00,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 21:24:00,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 21:24:00,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 21:24:00,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 21:24:00,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 21:24:00,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 21:24:00,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 21:24:00,327 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 21:24:00,370 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 21:24:00,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 21:24:00,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 21:24:00,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 21:24:00,373 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 21:24:00,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 21:24:00,373 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 21:24:00,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 21:24:00,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 21:24:00,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 21:24:00,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 21:24:00,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 21:24:00,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 21:24:00,376 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 21:24:00,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 21:24:00,376 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 21:24:00,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 21:24:00,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 21:24:00,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 21:24:00,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 21:24:00,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 21:24:00,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:24:00,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 21:24:00,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 21:24:00,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 21:24:00,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 21:24:00,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 21:24:00,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 21:24:00,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 21:24:00,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-08-21 21:24:00,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 21:24:00,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 21:24:00,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 21:24:00,694 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 21:24:00,694 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 21:24:00,695 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_remove_all.i [2020-08-21 21:24:00,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfef52181/cad397d2a5214062a75c951b1d317ffa/FLAG09cb84135 [2020-08-21 21:24:01,314 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 21:24:01,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2n_remove_all.i [2020-08-21 21:24:01,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfef52181/cad397d2a5214062a75c951b1d317ffa/FLAG09cb84135 [2020-08-21 21:24:01,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfef52181/cad397d2a5214062a75c951b1d317ffa [2020-08-21 21:24:01,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 21:24:01,659 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 21:24:01,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 21:24:01,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 21:24:01,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 21:24:01,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:24:01" (1/1) ... [2020-08-21 21:24:01,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7ba94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:24:01, skipping insertion in model container [2020-08-21 21:24:01,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:24:01" (1/1) ... [2020-08-21 21:24:01,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 21:24:01,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 21:24:02,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:24:02,257 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 21:24:02,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:24:02,376 INFO L208 MainTranslator]: Completed translation [2020-08-21 21:24:02,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:24:02 WrapperNode [2020-08-21 21:24:02,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 21:24:02,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 21:24:02,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 21:24:02,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 21:24:02,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:24:02" (1/1) ... [2020-08-21 21:24:02,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:24:02" (1/1) ... [2020-08-21 21:24:02,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:24:02" (1/1) ... [2020-08-21 21:24:02,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:24:02" (1/1) ... [2020-08-21 21:24:02,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:24:02" (1/1) ... [2020-08-21 21:24:02,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:24:02" (1/1) ... [2020-08-21 21:24:02,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:24:02" (1/1) ... [2020-08-21 21:24:02,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 21:24:02,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 21:24:02,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 21:24:02,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 21:24:02,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:24:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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 [2020-08-21 21:24:02,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 21:24:02,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 21:24:02,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-08-21 21:24:02,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-08-21 21:24:02,517 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-08-21 21:24:02,517 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-08-21 21:24:02,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2020-08-21 21:24:02,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_remove_first [2020-08-21 21:24:02,518 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 21:24:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 21:24:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-08-21 21:24:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-08-21 21:24:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-08-21 21:24:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-08-21 21:24:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-08-21 21:24:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-08-21 21:24:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-08-21 21:24:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-08-21 21:24:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-08-21 21:24:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-08-21 21:24:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-08-21 21:24:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-08-21 21:24:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-08-21 21:24:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-08-21 21:24:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-08-21 21:24:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-08-21 21:24:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-08-21 21:24:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-08-21 21:24:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-08-21 21:24:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-08-21 21:24:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-08-21 21:24:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-08-21 21:24:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-08-21 21:24:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-08-21 21:24:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-08-21 21:24:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-08-21 21:24:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-08-21 21:24:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-08-21 21:24:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-08-21 21:24:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-08-21 21:24:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-08-21 21:24:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-08-21 21:24:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-08-21 21:24:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-08-21 21:24:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-08-21 21:24:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-08-21 21:24:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-08-21 21:24:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-08-21 21:24:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-08-21 21:24:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-08-21 21:24:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-08-21 21:24:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-08-21 21:24:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-08-21 21:24:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-08-21 21:24:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-08-21 21:24:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-08-21 21:24:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-08-21 21:24:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-08-21 21:24:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-08-21 21:24:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-08-21 21:24:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-08-21 21:24:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-08-21 21:24:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 21:24:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-21 21:24:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-08-21 21:24:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 21:24:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-08-21 21:24:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-08-21 21:24:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-08-21 21:24:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-08-21 21:24:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-08-21 21:24:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-21 21:24:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-08-21 21:24:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-08-21 21:24:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-08-21 21:24:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 21:24:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-08-21 21:24:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-08-21 21:24:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-08-21 21:24:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-08-21 21:24:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-08-21 21:24:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-08-21 21:24:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-08-21 21:24:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-08-21 21:24:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-08-21 21:24:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-08-21 21:24:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-08-21 21:24:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-08-21 21:24:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-08-21 21:24:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-08-21 21:24:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-08-21 21:24:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-08-21 21:24:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-08-21 21:24:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-08-21 21:24:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-08-21 21:24:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-08-21 21:24:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-08-21 21:24:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-08-21 21:24:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-08-21 21:24:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-08-21 21:24:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-08-21 21:24:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-08-21 21:24:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-08-21 21:24:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-08-21 21:24:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-08-21 21:24:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-08-21 21:24:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-08-21 21:24:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-08-21 21:24:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-08-21 21:24:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-08-21 21:24:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-08-21 21:24:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-08-21 21:24:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-08-21 21:24:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-08-21 21:24:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-08-21 21:24:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-08-21 21:24:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-08-21 21:24:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 21:24:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 21:24:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 21:24:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2020-08-21 21:24:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure dll_remove_first [2020-08-21 21:24:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 21:24:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 21:24:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 21:24:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 21:24:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-21 21:24:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 21:24:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 21:24:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 21:24:02,913 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-08-21 21:24:03,096 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 21:24:03,096 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-08-21 21:24:03,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:24:03 BoogieIcfgContainer [2020-08-21 21:24:03,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 21:24:03,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 21:24:03,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 21:24:03,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 21:24:03,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 09:24:01" (1/3) ... [2020-08-21 21:24:03,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2812f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:24:03, skipping insertion in model container [2020-08-21 21:24:03,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:24:02" (2/3) ... [2020-08-21 21:24:03,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2812f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:24:03, skipping insertion in model container [2020-08-21 21:24:03,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:24:03" (3/3) ... [2020-08-21 21:24:03,109 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_remove_all.i [2020-08-21 21:24:03,121 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 21:24:03,129 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 21:24:03,145 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 21:24:03,171 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 21:24:03,171 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 21:24:03,171 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 21:24:03,171 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 21:24:03,171 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 21:24:03,171 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 21:24:03,172 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 21:24:03,172 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 21:24:03,194 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-08-21 21:24:03,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-21 21:24:03,201 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:24:03,202 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:24:03,203 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:24:03,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:24:03,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1664510762, now seen corresponding path program 1 times [2020-08-21 21:24:03,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:24:03,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10074413] [2020-08-21 21:24:03,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:24:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:03,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:24:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:03,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:24:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:03,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:24:03,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10074413] [2020-08-21 21:24:03,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:24:03,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 21:24:03,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044569945] [2020-08-21 21:24:03,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 21:24:03,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:24:03,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 21:24:03,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 21:24:03,511 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 4 states. [2020-08-21 21:24:03,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:24:03,697 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2020-08-21 21:24:03,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 21:24:03,699 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-08-21 21:24:03,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:24:03,712 INFO L225 Difference]: With dead ends: 61 [2020-08-21 21:24:03,712 INFO L226 Difference]: Without dead ends: 34 [2020-08-21 21:24:03,716 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 21:24:03,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-21 21:24:03,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29. [2020-08-21 21:24:03,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-08-21 21:24:03,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2020-08-21 21:24:03,763 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 17 [2020-08-21 21:24:03,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:24:03,764 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2020-08-21 21:24:03,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 21:24:03,764 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2020-08-21 21:24:03,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-21 21:24:03,765 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:24:03,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:24:03,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 21:24:03,766 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:24:03,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:24:03,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1646407191, now seen corresponding path program 1 times [2020-08-21 21:24:03,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:24:03,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200714512] [2020-08-21 21:24:03,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:24:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:03,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:24:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:03,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:24:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:03,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:24:03,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200714512] [2020-08-21 21:24:03,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:24:03,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 21:24:03,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008942970] [2020-08-21 21:24:03,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 21:24:03,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:24:03,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 21:24:03,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:24:03,907 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 7 states. [2020-08-21 21:24:04,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:24:04,094 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2020-08-21 21:24:04,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 21:24:04,095 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-08-21 21:24:04,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:24:04,096 INFO L225 Difference]: With dead ends: 51 [2020-08-21 21:24:04,096 INFO L226 Difference]: Without dead ends: 35 [2020-08-21 21:24:04,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-08-21 21:24:04,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-08-21 21:24:04,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2020-08-21 21:24:04,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-21 21:24:04,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2020-08-21 21:24:04,106 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 17 [2020-08-21 21:24:04,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:24:04,107 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2020-08-21 21:24:04,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 21:24:04,107 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-08-21 21:24:04,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-08-21 21:24:04,108 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:24:04,108 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:24:04,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 21:24:04,110 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:24:04,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:24:04,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1603407070, now seen corresponding path program 1 times [2020-08-21 21:24:04,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:24:04,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41056571] [2020-08-21 21:24:04,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:24:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:04,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:24:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:04,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:24:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:04,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:24:04,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41056571] [2020-08-21 21:24:04,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:24:04,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 21:24:04,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478072071] [2020-08-21 21:24:04,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 21:24:04,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:24:04,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 21:24:04,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-21 21:24:04,264 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 6 states. [2020-08-21 21:24:04,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:24:04,403 INFO L93 Difference]: Finished difference Result 56 states and 63 transitions. [2020-08-21 21:24:04,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 21:24:04,404 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-08-21 21:24:04,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:24:04,405 INFO L225 Difference]: With dead ends: 56 [2020-08-21 21:24:04,405 INFO L226 Difference]: Without dead ends: 35 [2020-08-21 21:24:04,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:24:04,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-08-21 21:24:04,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2020-08-21 21:24:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-08-21 21:24:04,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2020-08-21 21:24:04,413 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 22 [2020-08-21 21:24:04,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:24:04,413 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2020-08-21 21:24:04,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 21:24:04,414 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2020-08-21 21:24:04,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-08-21 21:24:04,415 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:24:04,415 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:24:04,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 21:24:04,415 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:24:04,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:24:04,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1990495648, now seen corresponding path program 1 times [2020-08-21 21:24:04,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:24:04,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [136340222] [2020-08-21 21:24:04,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:24:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:04,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:24:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:04,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:24:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:04,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:24:04,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [136340222] [2020-08-21 21:24:04,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:24:04,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 21:24:04,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848070533] [2020-08-21 21:24:04,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:24:04,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:24:04,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:24:04,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:24:04,584 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 8 states. [2020-08-21 21:24:04,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:24:04,767 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2020-08-21 21:24:04,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 21:24:04,768 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-08-21 21:24:04,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:24:04,769 INFO L225 Difference]: With dead ends: 56 [2020-08-21 21:24:04,769 INFO L226 Difference]: Without dead ends: 40 [2020-08-21 21:24:04,770 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-08-21 21:24:04,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-08-21 21:24:04,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 35. [2020-08-21 21:24:04,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-08-21 21:24:04,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2020-08-21 21:24:04,779 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 22 [2020-08-21 21:24:04,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:24:04,779 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2020-08-21 21:24:04,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:24:04,780 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2020-08-21 21:24:04,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-21 21:24:04,781 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:24:04,781 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:24:04,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 21:24:04,782 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:24:04,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:24:04,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1511329333, now seen corresponding path program 1 times [2020-08-21 21:24:04,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:24:04,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32397414] [2020-08-21 21:24:04,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:24:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:04,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:24:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:04,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:24:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:04,912 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-21 21:24:04,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32397414] [2020-08-21 21:24:04,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:24:04,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 21:24:04,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810083033] [2020-08-21 21:24:04,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 21:24:04,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:24:04,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 21:24:04,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-21 21:24:04,916 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 6 states. [2020-08-21 21:24:05,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:24:05,041 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2020-08-21 21:24:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 21:24:05,042 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-08-21 21:24:05,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:24:05,043 INFO L225 Difference]: With dead ends: 43 [2020-08-21 21:24:05,043 INFO L226 Difference]: Without dead ends: 39 [2020-08-21 21:24:05,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:24:05,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-08-21 21:24:05,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2020-08-21 21:24:05,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-08-21 21:24:05,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2020-08-21 21:24:05,056 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 27 [2020-08-21 21:24:05,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:24:05,057 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2020-08-21 21:24:05,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 21:24:05,057 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2020-08-21 21:24:05,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-08-21 21:24:05,058 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:24:05,058 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:24:05,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 21:24:05,059 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:24:05,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:24:05,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1801861723, now seen corresponding path program 1 times [2020-08-21 21:24:05,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:24:05,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1861580646] [2020-08-21 21:24:05,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:24:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:05,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:24:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:05,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:24:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:05,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 21:24:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:05,225 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-21 21:24:05,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1861580646] [2020-08-21 21:24:05,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:24:05,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 21:24:05,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827953177] [2020-08-21 21:24:05,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:24:05,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:24:05,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:24:05,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:24:05,231 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand 8 states. [2020-08-21 21:24:05,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:24:05,452 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2020-08-21 21:24:05,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 21:24:05,452 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-08-21 21:24:05,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:24:05,453 INFO L225 Difference]: With dead ends: 44 [2020-08-21 21:24:05,453 INFO L226 Difference]: Without dead ends: 40 [2020-08-21 21:24:05,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-08-21 21:24:05,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-08-21 21:24:05,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2020-08-21 21:24:05,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-08-21 21:24:05,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2020-08-21 21:24:05,467 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 35 [2020-08-21 21:24:05,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:24:05,469 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2020-08-21 21:24:05,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:24:05,469 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2020-08-21 21:24:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-08-21 21:24:05,474 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:24:05,474 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:24:05,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 21:24:05,475 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:24:05,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:24:05,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1626595457, now seen corresponding path program 2 times [2020-08-21 21:24:05,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:24:05,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594456982] [2020-08-21 21:24:05,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:24:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:05,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:24:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:05,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:24:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:06,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 21:24:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:06,597 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-08-21 21:24:06,798 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-08-21 21:24:06,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 21:24:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:06,996 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 21:24:06,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [594456982] [2020-08-21 21:24:06,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:24:06,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-08-21 21:24:06,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107609312] [2020-08-21 21:24:06,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-08-21 21:24:06,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:24:06,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-08-21 21:24:06,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=551, Unknown=0, NotChecked=0, Total=600 [2020-08-21 21:24:06,999 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 25 states. [2020-08-21 21:24:08,642 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2020-08-21 21:24:08,975 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2020-08-21 21:24:09,277 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2020-08-21 21:24:09,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:24:09,433 INFO L93 Difference]: Finished difference Result 71 states and 83 transitions. [2020-08-21 21:24:09,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-21 21:24:09,434 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 43 [2020-08-21 21:24:09,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:24:09,436 INFO L225 Difference]: With dead ends: 71 [2020-08-21 21:24:09,436 INFO L226 Difference]: Without dead ends: 59 [2020-08-21 21:24:09,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=127, Invalid=1279, Unknown=0, NotChecked=0, Total=1406 [2020-08-21 21:24:09,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-08-21 21:24:09,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 56. [2020-08-21 21:24:09,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-08-21 21:24:09,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions. [2020-08-21 21:24:09,448 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 43 [2020-08-21 21:24:09,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:24:09,449 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 66 transitions. [2020-08-21 21:24:09,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-08-21 21:24:09,449 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2020-08-21 21:24:09,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-08-21 21:24:09,450 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:24:09,450 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:24:09,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 21:24:09,451 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:24:09,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:24:09,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1988313469, now seen corresponding path program 1 times [2020-08-21 21:24:09,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:24:09,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511293347] [2020-08-21 21:24:09,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:24:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:09,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:24:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:09,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:24:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:09,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 21:24:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:09,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 21:24:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:09,608 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-21 21:24:09,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [511293347] [2020-08-21 21:24:09,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:24:09,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 21:24:09,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152999213] [2020-08-21 21:24:09,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 21:24:09,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:24:09,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 21:24:09,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-21 21:24:09,610 INFO L87 Difference]: Start difference. First operand 56 states and 66 transitions. Second operand 10 states. [2020-08-21 21:24:10,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:24:10,026 INFO L93 Difference]: Finished difference Result 72 states and 86 transitions. [2020-08-21 21:24:10,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 21:24:10,028 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 43 [2020-08-21 21:24:10,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:24:10,030 INFO L225 Difference]: With dead ends: 72 [2020-08-21 21:24:10,030 INFO L226 Difference]: Without dead ends: 68 [2020-08-21 21:24:10,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2020-08-21 21:24:10,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-08-21 21:24:10,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 56. [2020-08-21 21:24:10,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-08-21 21:24:10,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions. [2020-08-21 21:24:10,042 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 43 [2020-08-21 21:24:10,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:24:10,042 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 66 transitions. [2020-08-21 21:24:10,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 21:24:10,042 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2020-08-21 21:24:10,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-08-21 21:24:10,044 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:24:10,044 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:24:10,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 21:24:10,044 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:24:10,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:24:10,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1394437068, now seen corresponding path program 3 times [2020-08-21 21:24:10,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:24:10,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [799692533] [2020-08-21 21:24:10,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:24:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:10,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:24:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:10,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:24:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:10,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-21 21:24:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:10,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:24:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:10,223 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-21 21:24:10,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [799692533] [2020-08-21 21:24:10,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:24:10,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 21:24:10,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630822645] [2020-08-21 21:24:10,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 21:24:10,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:24:10,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 21:24:10,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-21 21:24:10,234 INFO L87 Difference]: Start difference. First operand 56 states and 66 transitions. Second operand 10 states. [2020-08-21 21:24:10,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:24:10,478 INFO L93 Difference]: Finished difference Result 73 states and 84 transitions. [2020-08-21 21:24:10,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 21:24:10,479 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2020-08-21 21:24:10,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:24:10,480 INFO L225 Difference]: With dead ends: 73 [2020-08-21 21:24:10,480 INFO L226 Difference]: Without dead ends: 45 [2020-08-21 21:24:10,481 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-08-21 21:24:10,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-08-21 21:24:10,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-08-21 21:24:10,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-08-21 21:24:10,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2020-08-21 21:24:10,496 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 48 [2020-08-21 21:24:10,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:24:10,498 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2020-08-21 21:24:10,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 21:24:10,499 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2020-08-21 21:24:10,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 21:24:10,506 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:24:10,506 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:24:10,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 21:24:10,506 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:24:10,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:24:10,507 INFO L82 PathProgramCache]: Analyzing trace with hash 2096610473, now seen corresponding path program 2 times [2020-08-21 21:24:10,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:24:10,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2125427312] [2020-08-21 21:24:10,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:24:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:10,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:24:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:10,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:24:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:10,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 21:24:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:10,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 21:24:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:10,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-21 21:24:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:24:10,668 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-08-21 21:24:10,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2125427312] [2020-08-21 21:24:10,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:24:10,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 21:24:10,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398944776] [2020-08-21 21:24:10,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 21:24:10,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:24:10,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 21:24:10,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:24:10,672 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand 9 states. [2020-08-21 21:24:10,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:24:10,826 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2020-08-21 21:24:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 21:24:10,827 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-08-21 21:24:10,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:24:10,827 INFO L225 Difference]: With dead ends: 55 [2020-08-21 21:24:10,828 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 21:24:10,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-08-21 21:24:10,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 21:24:10,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 21:24:10,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 21:24:10,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 21:24:10,831 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-08-21 21:24:10,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:24:10,831 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 21:24:10,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 21:24:10,832 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 21:24:10,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 21:24:10,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 21:24:10,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 21:24:11,139 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2020-08-21 21:24:11,252 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-08-21 21:24:11,303 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:24:11,304 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-08-21 21:24:11,304 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:24:11,304 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2020-08-21 21:24:11,304 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2020-08-21 21:24:11,304 INFO L271 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: true [2020-08-21 21:24:11,304 INFO L268 CegarLoopResult]: For program point L578-1(lines 578 580) no Hoare annotation was computed. [2020-08-21 21:24:11,304 INFO L264 CegarLoopResult]: At program point dll_createENTRY(lines 574 591) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-21 21:24:11,305 INFO L264 CegarLoopResult]: At program point L576-2(lines 576 589) the Hoare annotation is: (let ((.cse8 (+ dll_create_~new_head~0.offset 4))) (let ((.cse2 (select (select |#memory_$Pointer$.base| dll_create_~new_head~0.base) .cse8)) (.cse1 (= (select (select |#memory_$Pointer$.offset| dll_create_~head~0.base) 4) 0)) (.cse0 (= dll_create_~head~0.offset 0)) (.cse5 (= dll_create_~new_head~0.offset 0)) (.cse4 (select (select |#memory_$Pointer$.base| dll_create_~head~0.base) 4)) (.cse6 (= (select (select |#memory_$Pointer$.offset| dll_create_~new_head~0.base) .cse8) 0)) (.cse3 (<= (+ dll_create_~len 2) |dll_create_#in~len|))) (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= dll_create_~len |dll_create_#in~len|) .cse0 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= 0 dll_create_~head~0.base)) (and .cse1 (= 0 (select (select |#memory_$Pointer$.offset| .cse2) 4)) .cse0 (= (select |old(#valid)| .cse2) 0) .cse3 (= (select (select |#memory_$Pointer$.base| .cse4) 4) 0) (= (select (select |#memory_$Pointer$.offset| .cse4) 4) 0) .cse5 (= (select (select |#memory_$Pointer$.base| .cse2) 4) 0) (= (select |old(#valid)| .cse4) 0) .cse6) (let ((.cse7 (+ dll_create_~len 1))) (and (<= |dll_create_#in~len| .cse7) (= (select |#valid| dll_create_~new_head~0.base) 1) (= .cse2 0) .cse1 .cse0 (= 0 (select |old(#valid)| dll_create_~new_head~0.base)) (= (select |old(#valid)| dll_create_~head~0.base) 0) .cse5 (= .cse4 0) (= (select |#valid| dll_create_~head~0.base) 1) .cse6 (<= .cse7 |dll_create_#in~len|))) (and (<= 3 |dll_create_#in~len|) .cse3)))) [2020-08-21 21:24:11,305 INFO L268 CegarLoopResult]: For program point L576-3(lines 576 589) no Hoare annotation was computed. [2020-08-21 21:24:11,305 INFO L268 CegarLoopResult]: For program point dll_createFINAL(lines 574 591) no Hoare annotation was computed. [2020-08-21 21:24:11,306 INFO L271 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: true [2020-08-21 21:24:11,306 INFO L268 CegarLoopResult]: For program point dll_createEXIT(lines 574 591) no Hoare annotation was computed. [2020-08-21 21:24:11,306 INFO L268 CegarLoopResult]: For program point L584(lines 584 586) no Hoare annotation was computed. [2020-08-21 21:24:11,306 INFO L268 CegarLoopResult]: For program point L584-2(lines 584 586) no Hoare annotation was computed. [2020-08-21 21:24:11,306 INFO L268 CegarLoopResult]: For program point L578(lines 578 580) no Hoare annotation was computed. [2020-08-21 21:24:11,306 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-08-21 21:24:11,307 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-08-21 21:24:11,307 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-08-21 21:24:11,307 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-08-21 21:24:11,307 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-08-21 21:24:11,307 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-08-21 21:24:11,307 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:24:11,307 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-21 21:24:11,307 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 21:24:11,308 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:24:11,308 INFO L264 CegarLoopResult]: At program point L609(lines 600 614) the Hoare annotation is: false [2020-08-21 21:24:11,308 INFO L268 CegarLoopResult]: For program point L608(lines 608 610) no Hoare annotation was computed. [2020-08-21 21:24:11,308 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 612) no Hoare annotation was computed. [2020-08-21 21:24:11,308 INFO L264 CegarLoopResult]: At program point L606(line 606) the Hoare annotation is: (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse1 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse3 (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (.cse0 (select (select |#memory_$Pointer$.base| .cse5) 4)) (.cse4 (= (select (select |#memory_$Pointer$.offset| .cse5) 4) 0))) (or (and (= (select (select |#memory_$Pointer$.offset| .cse0) 4) 0) .cse1 .cse2 (not (= |main_~#s~0.base| .cse0)) (<= 1 main_~i~0) (= (select (select |#memory_$Pointer$.base| .cse0) 4) 0) .cse3 (<= main_~i~0 1) .cse4) (and (<= main_~i~0 0) .cse1 .cse2 (<= 0 main_~i~0) .cse3 (= .cse0 0) .cse4)))) [2020-08-21 21:24:11,308 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 614) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-21 21:24:11,308 INFO L268 CegarLoopResult]: For program point L606-1(lines 605 607) no Hoare annotation was computed. [2020-08-21 21:24:11,309 INFO L264 CegarLoopResult]: At program point L603(line 603) the Hoare annotation is: (and (<= main_~len~0 2) (<= 2 main_~len~0) (= (select |#valid| |main_~#s~0.base|) 1)) [2020-08-21 21:24:11,309 INFO L264 CegarLoopResult]: At program point L605-2(lines 605 607) the Hoare annotation is: (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse1 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse3 (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (.cse0 (select (select |#memory_$Pointer$.base| .cse5) 4)) (.cse4 (= (select (select |#memory_$Pointer$.offset| .cse5) 4) 0))) (or (and (= (select (select |#memory_$Pointer$.offset| .cse0) 4) 0) .cse1 .cse2 (not (= |main_~#s~0.base| .cse0)) (<= 1 main_~i~0) (= (select (select |#memory_$Pointer$.base| .cse0) 4) 0) .cse3 (<= main_~i~0 1) .cse4) (and (= .cse5 0) .cse2 .cse1 (<= (+ main_~i~0 1) 0) .cse3) (and (<= main_~i~0 0) .cse1 .cse2 (<= 0 main_~i~0) .cse3 (= .cse0 0) .cse4)))) [2020-08-21 21:24:11,309 INFO L268 CegarLoopResult]: For program point L603-1(line 603) no Hoare annotation was computed. [2020-08-21 21:24:11,309 INFO L268 CegarLoopResult]: For program point L605-3(lines 605 607) no Hoare annotation was computed. [2020-08-21 21:24:11,309 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 614) no Hoare annotation was computed. [2020-08-21 21:24:11,309 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 600 614) no Hoare annotation was computed. [2020-08-21 21:24:11,310 INFO L268 CegarLoopResult]: For program point node_createENTRY(lines 564 573) no Hoare annotation was computed. [2020-08-21 21:24:11,310 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 564 573) no Hoare annotation was computed. [2020-08-21 21:24:11,310 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-08-21 21:24:11,310 INFO L268 CegarLoopResult]: For program point L566(lines 566 568) no Hoare annotation was computed. [2020-08-21 21:24:11,310 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2020-08-21 21:24:11,310 INFO L268 CegarLoopResult]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2020-08-21 21:24:11,311 INFO L268 CegarLoopResult]: For program point L594-2(lines 594 596) no Hoare annotation was computed. [2020-08-21 21:24:11,311 INFO L268 CegarLoopResult]: For program point dll_remove_firstFINAL(lines 592 599) no Hoare annotation was computed. [2020-08-21 21:24:11,311 INFO L268 CegarLoopResult]: For program point dll_remove_firstEXIT(lines 592 599) no Hoare annotation was computed. [2020-08-21 21:24:11,311 INFO L264 CegarLoopResult]: At program point dll_remove_firstENTRY(lines 592 599) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-21 21:24:11,311 INFO L268 CegarLoopResult]: For program point L594(lines 594 596) no Hoare annotation was computed. [2020-08-21 21:24:11,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,330 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,330 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,330 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,333 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,333 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,333 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 21:24:11,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 21:24:11,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 21:24:11,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 21:24:11,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,340 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,340 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,343 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,343 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,343 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,346 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,347 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,347 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,347 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,349 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,349 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,349 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,350 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,350 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,350 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,352 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,352 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 21:24:11,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 21:24:11,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 21:24:11,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 21:24:11,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,362 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,362 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,362 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,363 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,363 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,363 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,364 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,364 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,364 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,364 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,364 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,365 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,365 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,365 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,366 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,366 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,366 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,366 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,369 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,369 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,369 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,372 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,376 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,376 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,376 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 09:24:11 BoogieIcfgContainer [2020-08-21 21:24:11,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 21:24:11,388 INFO L168 Benchmark]: Toolchain (without parser) took 9728.72 ms. Allocated memory was 137.4 MB in the beginning and 334.0 MB in the end (delta: 196.6 MB). Free memory was 98.8 MB in the beginning and 84.1 MB in the end (delta: 14.6 MB). Peak memory consumption was 211.3 MB. Max. memory is 7.1 GB. [2020-08-21 21:24:11,389 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 21:24:11,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.89 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 98.6 MB in the beginning and 165.2 MB in the end (delta: -66.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2020-08-21 21:24:11,390 INFO L168 Benchmark]: Boogie Preprocessor took 63.06 ms. Allocated memory is still 200.3 MB. Free memory was 165.2 MB in the beginning and 162.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-08-21 21:24:11,391 INFO L168 Benchmark]: RCFGBuilder took 658.37 ms. Allocated memory is still 200.3 MB. Free memory was 161.7 MB in the beginning and 115.5 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. [2020-08-21 21:24:11,392 INFO L168 Benchmark]: TraceAbstraction took 8283.83 ms. Allocated memory was 200.3 MB in the beginning and 334.0 MB in the end (delta: 133.7 MB). Free memory was 114.8 MB in the beginning and 84.1 MB in the end (delta: 30.7 MB). Peak memory consumption was 164.4 MB. Max. memory is 7.1 GB. [2020-08-21 21:24:11,396 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 718.89 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 98.6 MB in the beginning and 165.2 MB in the end (delta: -66.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.06 ms. Allocated memory is still 200.3 MB. Free memory was 165.2 MB in the beginning and 162.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 658.37 ms. Allocated memory is still 200.3 MB. Free memory was 161.7 MB in the beginning and 115.5 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8283.83 ms. Allocated memory was 200.3 MB in the beginning and 334.0 MB in the end (delta: 133.7 MB). Free memory was 114.8 MB in the beginning and 84.1 MB in the end (delta: 30.7 MB). Peak memory consumption was 164.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 612]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant [2020-08-21 21:24:11,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,414 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,414 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,414 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 21:24:11,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 21:24:11,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 21:24:11,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 21:24:11,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,441 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,441 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,441 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,441 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 21:24:11,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 21:24:11,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 21:24:11,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 21:24:11,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,448 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,448 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,448 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,448 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,448 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,449 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,449 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,449 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && len == \old(len)) && head == 0) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid) && 0 == head) || ((((((((((#memory_$Pointer$[head][4] == 0 && 0 == #memory_$Pointer$[#memory_$Pointer$[new_head][new_head + 4]][4]) && head == 0) && \old(\valid)[#memory_$Pointer$[new_head][new_head + 4]] == 0) && len + 2 <= \old(len)) && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && new_head == 0) && #memory_$Pointer$[#memory_$Pointer$[new_head][new_head + 4]][4] == 0) && \old(\valid)[#memory_$Pointer$[head][4]] == 0) && #memory_$Pointer$[new_head][new_head + 4] == 0)) || (((((((((((\old(len) <= len + 1 && \valid[new_head] == 1) && #memory_$Pointer$[new_head][new_head + 4] == 0) && #memory_$Pointer$[head][4] == 0) && head == 0) && 0 == \old(\valid)[new_head]) && \old(\valid)[head] == 0) && new_head == 0) && #memory_$Pointer$[head][4] == 0) && \valid[head] == 1) && #memory_$Pointer$[new_head][new_head + 4] == 0) && len + 1 <= \old(len))) || (3 <= \old(len) && len + 2 <= \old(len)) - InvariantResult [Line: 605]: Loop Invariant [2020-08-21 21:24:11,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,458 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,458 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,458 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,458 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,460 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,460 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,460 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,460 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,461 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,465 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,465 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 21:24:11,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 21:24:11,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 21:24:11,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((#memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][4]][4] == 0 && len <= 2) && 2 <= len) && !(s == #memory_$Pointer$[#memory_$Pointer$[s][s]][4])) && 1 <= i) && #memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][4]][4] == 0) && #memory_$Pointer$[s][s] == 0) && i <= 1) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) || ((((#memory_$Pointer$[s][s] == 0 && 2 <= len) && len <= 2) && i + 1 <= 0) && #memory_$Pointer$[s][s] == 0)) || ((((((i <= 0 && len <= 2) && 2 <= len) && 0 <= i) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.6s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 252 SDtfs, 187 SDslu, 968 SDs, 0 SdLazy, 1545 SolverSat, 128 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 36 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 23 PreInvPairs, 32 NumberOfFragments, 531 HoareAnnotationTreeSize, 23 FomulaSimplifications, 262 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 90 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 325 NumberOfCodeBlocks, 325 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 315 ConstructedInterpolants, 0 QuantifiedInterpolants, 90367 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 78/113 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: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...