/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-27 21:52:18,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-27 21:52:18,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-27 21:52:18,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-27 21:52:18,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-27 21:52:18,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-27 21:52:18,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-27 21:52:18,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-27 21:52:18,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-27 21:52:18,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-27 21:52:18,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-27 21:52:18,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-27 21:52:18,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-27 21:52:18,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-27 21:52:18,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-27 21:52:18,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-27 21:52:18,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-27 21:52:18,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-27 21:52:18,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-27 21:52:18,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-27 21:52:18,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-27 21:52:18,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-27 21:52:18,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-27 21:52:18,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-27 21:52:18,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-27 21:52:18,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-27 21:52:18,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-27 21:52:18,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-27 21:52:18,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-27 21:52:18,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-27 21:52:18,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-27 21:52:18,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-27 21:52:18,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-27 21:52:18,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-27 21:52:18,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-27 21:52:18,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-27 21:52:18,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-27 21:52:18,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-27 21:52:18,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-27 21:52:18,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-27 21:52:18,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-27 21:52:18,883 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 [2020-08-27 21:52:18,910 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-27 21:52:18,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-27 21:52:18,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-27 21:52:18,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-27 21:52:18,912 INFO L138 SettingsManager]: * Use SBE=true [2020-08-27 21:52:18,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-27 21:52:18,913 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-27 21:52:18,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-27 21:52:18,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-27 21:52:18,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-27 21:52:18,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-27 21:52:18,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-27 21:52:18,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-27 21:52:18,914 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-27 21:52:18,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-27 21:52:18,915 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-27 21:52:18,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-27 21:52:18,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-27 21:52:18,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-27 21:52:18,917 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-27 21:52:18,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-27 21:52:18,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-27 21:52:18,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-27 21:52:18,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-27 21:52:18,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-27 21:52:18,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-27 21:52:18,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-27 21:52:18,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-27 21:52:18,919 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-27 21:52:18,919 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 -> false [2020-08-27 21:52:19,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-27 21:52:19,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-27 21:52:19,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-27 21:52:19,447 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-27 21:52:19,447 INFO L275 PluginConnector]: CDTParser initialized [2020-08-27 21:52:19,449 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_remove_all.i [2020-08-27 21:52:19,523 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b39cdd256/358dbcf9726d40c49656b228ad15d521/FLAGcfb9b9585 [2020-08-27 21:52:20,229 INFO L306 CDTParser]: Found 1 translation units. [2020-08-27 21:52:20,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2n_remove_all.i [2020-08-27 21:52:20,244 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b39cdd256/358dbcf9726d40c49656b228ad15d521/FLAGcfb9b9585 [2020-08-27 21:52:20,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b39cdd256/358dbcf9726d40c49656b228ad15d521 [2020-08-27 21:52:20,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-27 21:52:20,440 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-27 21:52:20,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-27 21:52:20,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-27 21:52:20,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-27 21:52:20,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 09:52:20" (1/1) ... [2020-08-27 21:52:20,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@176fd554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:52:20, skipping insertion in model container [2020-08-27 21:52:20,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 09:52:20" (1/1) ... [2020-08-27 21:52:20,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-27 21:52:20,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-27 21:52:21,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 21:52:21,015 INFO L203 MainTranslator]: Completed pre-run [2020-08-27 21:52:21,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 21:52:21,120 INFO L208 MainTranslator]: Completed translation [2020-08-27 21:52:21,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:52:21 WrapperNode [2020-08-27 21:52:21,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-27 21:52:21,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-27 21:52:21,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-27 21:52:21,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-27 21:52:21,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:52:21" (1/1) ... [2020-08-27 21:52:21,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:52:21" (1/1) ... [2020-08-27 21:52:21,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:52:21" (1/1) ... [2020-08-27 21:52:21,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:52:21" (1/1) ... [2020-08-27 21:52:21,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:52:21" (1/1) ... [2020-08-27 21:52:21,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:52:21" (1/1) ... [2020-08-27 21:52:21,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:52:21" (1/1) ... [2020-08-27 21:52:21,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-27 21:52:21,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-27 21:52:21,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-27 21:52:21,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-27 21:52:21,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:52:21" (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 [2020-08-27 21:52:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-27 21:52:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-27 21:52:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-08-27 21:52:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-08-27 21:52:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-08-27 21:52:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-08-27 21:52:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-08-27 21:52:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_remove_first [2020-08-27 21:52:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-27 21:52:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-27 21:52:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-08-27 21:52:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-08-27 21:52:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-08-27 21:52:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-08-27 21:52:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-08-27 21:52:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-08-27 21:52:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-08-27 21:52:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-08-27 21:52:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-08-27 21:52:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-08-27 21:52:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-08-27 21:52:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-08-27 21:52:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-08-27 21:52:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-08-27 21:52:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-08-27 21:52:21,296 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-08-27 21:52:21,296 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-08-27 21:52:21,296 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-08-27 21:52:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-08-27 21:52:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-08-27 21:52:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-08-27 21:52:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-08-27 21:52:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-08-27 21:52:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-08-27 21:52:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-08-27 21:52:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-08-27 21:52:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-08-27 21:52:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-08-27 21:52:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-08-27 21:52:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-08-27 21:52:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-08-27 21:52:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-08-27 21:52:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-08-27 21:52:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-08-27 21:52:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-08-27 21:52:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-08-27 21:52:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-08-27 21:52:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-08-27 21:52:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-08-27 21:52:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-08-27 21:52:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-08-27 21:52:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-08-27 21:52:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-08-27 21:52:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-08-27 21:52:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-08-27 21:52:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-08-27 21:52:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-08-27 21:52:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-08-27 21:52:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-08-27 21:52:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-08-27 21:52:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-08-27 21:52:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-08-27 21:52:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-27 21:52:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-27 21:52:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-08-27 21:52:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-27 21:52:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-08-27 21:52:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-08-27 21:52:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-08-27 21:52:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-08-27 21:52:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-08-27 21:52:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-27 21:52:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-08-27 21:52:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-08-27 21:52:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-08-27 21:52:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-27 21:52:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-08-27 21:52:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-08-27 21:52:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-08-27 21:52:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-08-27 21:52:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-08-27 21:52:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-08-27 21:52:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-08-27 21:52:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-08-27 21:52:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-08-27 21:52:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-08-27 21:52:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-08-27 21:52:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-08-27 21:52:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-08-27 21:52:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-08-27 21:52:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-08-27 21:52:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-08-27 21:52:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-08-27 21:52:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-08-27 21:52:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-08-27 21:52:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-08-27 21:52:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-08-27 21:52:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-08-27 21:52:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-08-27 21:52:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-08-27 21:52:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-08-27 21:52:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-08-27 21:52:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-08-27 21:52:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-08-27 21:52:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-08-27 21:52:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-08-27 21:52:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-08-27 21:52:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-08-27 21:52:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-08-27 21:52:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-08-27 21:52:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-08-27 21:52:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-08-27 21:52:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-08-27 21:52:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-08-27 21:52:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-08-27 21:52:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-08-27 21:52:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-08-27 21:52:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-27 21:52:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-27 21:52:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-27 21:52:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-08-27 21:52:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure sll_remove_first [2020-08-27 21:52:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-27 21:52:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-27 21:52:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-27 21:52:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-27 21:52:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-27 21:52:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-27 21:52:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-27 21:52:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-27 21:52:21,700 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-08-27 21:52:21,874 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-27 21:52:21,874 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-08-27 21:52:21,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 09:52:21 BoogieIcfgContainer [2020-08-27 21:52:21,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-27 21:52:21,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-27 21:52:21,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-27 21:52:21,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-27 21:52:21,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 09:52:20" (1/3) ... [2020-08-27 21:52:21,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14e7454a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 09:52:21, skipping insertion in model container [2020-08-27 21:52:21,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:52:21" (2/3) ... [2020-08-27 21:52:21,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14e7454a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 09:52:21, skipping insertion in model container [2020-08-27 21:52:21,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 09:52:21" (3/3) ... [2020-08-27 21:52:21,892 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_remove_all.i [2020-08-27 21:52:21,904 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-27 21:52:21,914 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-27 21:52:21,934 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-27 21:52:21,961 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-27 21:52:21,961 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-27 21:52:21,961 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-27 21:52:21,961 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-27 21:52:21,961 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-27 21:52:21,961 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-27 21:52:21,961 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-27 21:52:21,962 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-27 21:52:21,982 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-08-27 21:52:21,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-27 21:52:21,990 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:52:21,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:52:21,992 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:52:21,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:52:21,998 INFO L82 PathProgramCache]: Analyzing trace with hash -638260892, now seen corresponding path program 1 times [2020-08-27 21:52:22,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:52:22,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [986339863] [2020-08-27 21:52:22,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:52:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:22,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:52:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:22,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:52:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:52:22,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [986339863] [2020-08-27 21:52:22,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:52:22,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-27 21:52:22,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851702439] [2020-08-27 21:52:22,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-27 21:52:22,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:52:22,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-27 21:52:22,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-27 21:52:22,319 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 4 states. [2020-08-27 21:52:22,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:52:22,531 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2020-08-27 21:52:22,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-27 21:52:22,533 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-08-27 21:52:22,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:52:22,547 INFO L225 Difference]: With dead ends: 61 [2020-08-27 21:52:22,548 INFO L226 Difference]: Without dead ends: 36 [2020-08-27 21:52:22,552 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 [2020-08-27 21:52:22,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-08-27 21:52:22,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 31. [2020-08-27 21:52:22,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-08-27 21:52:22,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2020-08-27 21:52:22,614 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 17 [2020-08-27 21:52:22,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:52:22,615 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2020-08-27 21:52:22,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-27 21:52:22,615 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2020-08-27 21:52:22,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-27 21:52:22,616 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:52:22,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:52:22,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-27 21:52:22,617 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:52:22,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:52:22,617 INFO L82 PathProgramCache]: Analyzing trace with hash 936264387, now seen corresponding path program 1 times [2020-08-27 21:52:22,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:52:22,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545915951] [2020-08-27 21:52:22,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:52:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:22,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:52:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:22,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:52:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:22,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:52:22,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545915951] [2020-08-27 21:52:22,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:52:22,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-27 21:52:22,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303986492] [2020-08-27 21:52:22,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-27 21:52:22,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:52:22,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-27 21:52:22,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-27 21:52:22,850 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 7 states. [2020-08-27 21:52:23,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:52:23,045 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2020-08-27 21:52:23,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-27 21:52:23,045 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-08-27 21:52:23,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:52:23,047 INFO L225 Difference]: With dead ends: 49 [2020-08-27 21:52:23,047 INFO L226 Difference]: Without dead ends: 35 [2020-08-27 21:52:23,049 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 [2020-08-27 21:52:23,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-08-27 21:52:23,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2020-08-27 21:52:23,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-27 21:52:23,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2020-08-27 21:52:23,058 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 17 [2020-08-27 21:52:23,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:52:23,059 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2020-08-27 21:52:23,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-27 21:52:23,059 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-08-27 21:52:23,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-27 21:52:23,060 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:52:23,060 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, 1, 1, 1, 1] [2020-08-27 21:52:23,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-27 21:52:23,061 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:52:23,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:52:23,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1681244830, now seen corresponding path program 1 times [2020-08-27 21:52:23,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:52:23,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102678916] [2020-08-27 21:52:23,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:52:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:23,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:52:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:23,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:52:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:23,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-27 21:52:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:23,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:52:23,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2102678916] [2020-08-27 21:52:23,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:52:23,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-27 21:52:23,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303533833] [2020-08-27 21:52:23,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-27 21:52:23,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:52:23,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-27 21:52:23,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-27 21:52:23,283 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 8 states. [2020-08-27 21:52:23,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:52:23,452 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2020-08-27 21:52:23,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-27 21:52:23,452 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2020-08-27 21:52:23,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:52:23,454 INFO L225 Difference]: With dead ends: 53 [2020-08-27 21:52:23,454 INFO L226 Difference]: Without dead ends: 39 [2020-08-27 21:52:23,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-08-27 21:52:23,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-08-27 21:52:23,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2020-08-27 21:52:23,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-08-27 21:52:23,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2020-08-27 21:52:23,464 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 26 [2020-08-27 21:52:23,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:52:23,464 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2020-08-27 21:52:23,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-27 21:52:23,465 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2020-08-27 21:52:23,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-08-27 21:52:23,467 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:52:23,467 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-27 21:52:23,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-27 21:52:23,468 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:52:23,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:52:23,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1516181213, now seen corresponding path program 2 times [2020-08-27 21:52:23,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:52:23,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257206078] [2020-08-27 21:52:23,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:52:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:23,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:52:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:23,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:52:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:23,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-27 21:52:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:23,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-27 21:52:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:23,721 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-27 21:52:23,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257206078] [2020-08-27 21:52:23,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:52:23,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-27 21:52:23,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159395405] [2020-08-27 21:52:23,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-27 21:52:23,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:52:23,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-27 21:52:23,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-27 21:52:23,727 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 6 states. [2020-08-27 21:52:23,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:52:23,884 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2020-08-27 21:52:23,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-27 21:52:23,885 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-08-27 21:52:23,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:52:23,887 INFO L225 Difference]: With dead ends: 43 [2020-08-27 21:52:23,887 INFO L226 Difference]: Without dead ends: 39 [2020-08-27 21:52:23,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-27 21:52:23,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-08-27 21:52:23,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-08-27 21:52:23,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-08-27 21:52:23,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2020-08-27 21:52:23,907 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 35 [2020-08-27 21:52:23,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:52:23,908 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2020-08-27 21:52:23,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-27 21:52:23,908 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2020-08-27 21:52:23,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-27 21:52:23,912 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:52:23,912 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:52:23,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-27 21:52:23,913 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:52:23,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:52:23,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1579581254, now seen corresponding path program 1 times [2020-08-27 21:52:23,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:52:23,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654289018] [2020-08-27 21:52:23,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:52:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:24,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:52:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:24,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:52:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:24,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-27 21:52:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:24,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-27 21:52:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:24,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-27 21:52:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-27 21:52:24,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654289018] [2020-08-27 21:52:24,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:52:24,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-27 21:52:24,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722447834] [2020-08-27 21:52:24,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-27 21:52:24,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:52:24,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-27 21:52:24,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-08-27 21:52:24,151 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 8 states. [2020-08-27 21:52:24,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:52:24,297 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2020-08-27 21:52:24,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-27 21:52:24,298 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-27 21:52:24,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:52:24,299 INFO L225 Difference]: With dead ends: 44 [2020-08-27 21:52:24,299 INFO L226 Difference]: Without dead ends: 40 [2020-08-27 21:52:24,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-08-27 21:52:24,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-08-27 21:52:24,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-08-27 21:52:24,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-08-27 21:52:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2020-08-27 21:52:24,308 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 41 [2020-08-27 21:52:24,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:52:24,309 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2020-08-27 21:52:24,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-27 21:52:24,309 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2020-08-27 21:52:24,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-27 21:52:24,311 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:52:24,311 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:52:24,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-27 21:52:24,311 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:52:24,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:52:24,312 INFO L82 PathProgramCache]: Analyzing trace with hash 18722601, now seen corresponding path program 2 times [2020-08-27 21:52:24,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:52:24,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [294339602] [2020-08-27 21:52:24,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:52:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:24,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:52:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:24,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:52:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:24,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-27 21:52:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:25,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-27 21:52:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:25,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-27 21:52:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:25,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-27 21:52:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:25,508 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-08-27 21:52:25,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [294339602] [2020-08-27 21:52:25,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:52:25,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-08-27 21:52:25,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707965333] [2020-08-27 21:52:25,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-08-27 21:52:25,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:52:25,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-08-27 21:52:25,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=461, Unknown=0, NotChecked=0, Total=506 [2020-08-27 21:52:25,511 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 23 states. [2020-08-27 21:52:26,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:52:26,608 INFO L93 Difference]: Finished difference Result 61 states and 70 transitions. [2020-08-27 21:52:26,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-27 21:52:26,608 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 47 [2020-08-27 21:52:26,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:52:26,611 INFO L225 Difference]: With dead ends: 61 [2020-08-27 21:52:26,611 INFO L226 Difference]: Without dead ends: 57 [2020-08-27 21:52:26,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=74, Invalid=738, Unknown=0, NotChecked=0, Total=812 [2020-08-27 21:52:26,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-27 21:52:26,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 51. [2020-08-27 21:52:26,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-08-27 21:52:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2020-08-27 21:52:26,624 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 47 [2020-08-27 21:52:26,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:52:26,625 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2020-08-27 21:52:26,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-08-27 21:52:26,625 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2020-08-27 21:52:26,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-08-27 21:52:26,626 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:52:26,626 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-08-27 21:52:26,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-27 21:52:26,627 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:52:26,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:52:26,627 INFO L82 PathProgramCache]: Analyzing trace with hash 2078025932, now seen corresponding path program 3 times [2020-08-27 21:52:26,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:52:26,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392200867] [2020-08-27 21:52:26,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:52:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:26,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:52:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:26,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:52:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:26,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-27 21:52:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:26,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-27 21:52:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:26,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-27 21:52:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:26,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-27 21:52:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:26,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-27 21:52:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-08-27 21:52:26,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392200867] [2020-08-27 21:52:26,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:52:26,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-27 21:52:26,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219971271] [2020-08-27 21:52:26,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-27 21:52:26,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:52:26,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-27 21:52:26,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-27 21:52:26,820 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand 9 states. [2020-08-27 21:52:26,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:52:26,994 INFO L93 Difference]: Finished difference Result 65 states and 72 transitions. [2020-08-27 21:52:26,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-27 21:52:26,995 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-08-27 21:52:26,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:52:26,996 INFO L225 Difference]: With dead ends: 65 [2020-08-27 21:52:26,996 INFO L226 Difference]: Without dead ends: 44 [2020-08-27 21:52:26,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-08-27 21:52:26,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-08-27 21:52:27,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-08-27 21:52:27,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-08-27 21:52:27,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2020-08-27 21:52:27,006 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 53 [2020-08-27 21:52:27,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:52:27,006 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2020-08-27 21:52:27,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-27 21:52:27,006 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2020-08-27 21:52:27,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-27 21:52:27,007 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:52:27,008 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:52:27,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-27 21:52:27,008 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:52:27,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:52:27,009 INFO L82 PathProgramCache]: Analyzing trace with hash 499137988, now seen corresponding path program 4 times [2020-08-27 21:52:27,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:52:27,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717021270] [2020-08-27 21:52:27,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:52:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:27,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:52:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:27,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:52:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:27,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-27 21:52:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:27,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-27 21:52:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:27,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-27 21:52:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:27,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-27 21:52:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:27,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-27 21:52:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:52:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-08-27 21:52:27,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717021270] [2020-08-27 21:52:27,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:52:27,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-27 21:52:27,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642675564] [2020-08-27 21:52:27,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-27 21:52:27,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:52:27,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-27 21:52:27,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-27 21:52:27,353 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 10 states. [2020-08-27 21:52:27,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:52:27,543 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2020-08-27 21:52:27,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-27 21:52:27,544 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-08-27 21:52:27,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:52:27,544 INFO L225 Difference]: With dead ends: 44 [2020-08-27 21:52:27,545 INFO L226 Difference]: Without dead ends: 0 [2020-08-27 21:52:27,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-08-27 21:52:27,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-27 21:52:27,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-27 21:52:27,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-27 21:52:27,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-27 21:52:27,548 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-08-27 21:52:27,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:52:27,549 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-27 21:52:27,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-27 21:52:27,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-27 21:52:27,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-27 21:52:27,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-27 21:52:27,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-27 21:52:27,842 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-08-27 21:52:27,979 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-08-27 21:52:28,222 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-27 21:52:28,223 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|)) [2020-08-27 21:52:28,223 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-27 21:52:28,223 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-08-27 21:52:28,223 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-08-27 21:52:28,223 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-08-27 21:52:28,223 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-08-27 21:52:28,224 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-08-27 21:52:28,224 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-08-27 21:52:28,225 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (let ((.cse0 (= sll_create_~head~0.offset 0))) (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= sll_create_~head~0.base 0) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) .cse0 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (and (<= (+ sll_create_~len 2) |sll_create_#in~len|) (<= 3 |sll_create_#in~len|)) (and (= (select |old(#valid)| sll_create_~head~0.base) 0) (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 0) (<= (+ sll_create_~len 1) |sll_create_#in~len|) (= (select |#valid| sll_create_~head~0.base) 1) .cse0 (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0)))) [2020-08-27 21:52:28,225 INFO L268 CegarLoopResult]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2020-08-27 21:52:28,225 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-08-27 21:52:28,226 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2020-08-27 21:52:28,226 INFO L264 CegarLoopResult]: At program point L574-3(lines 574 578) the Hoare annotation is: (let ((.cse2 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) (.cse1 (<= (+ sll_create_~len 2) |sll_create_#in~len|)) (.cse0 (= sll_create_~head~0.offset 0)) (.cse4 (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0))) (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= sll_create_~head~0.base 0) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) .cse0 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (and .cse1 (<= 3 |sll_create_#in~len|)) (let ((.cse3 (+ sll_create_~len 1))) (and (= (select |old(#valid)| sll_create_~head~0.base) 0) (= .cse2 0) (<= .cse3 |sll_create_#in~len|) (= (select |#valid| sll_create_~head~0.base) 1) .cse0 .cse4 (<= |sll_create_#in~len| .cse3))) (and (= (select (select |#memory_$Pointer$.offset| .cse2) 4) 0) (= (select |old(#valid)| .cse2) 0) (= (select (select |#memory_$Pointer$.base| .cse2) 4) 0) .cse1 .cse0 .cse4))) [2020-08-27 21:52:28,226 INFO L268 CegarLoopResult]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2020-08-27 21:52:28,226 INFO L264 CegarLoopResult]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-27 21:52:28,227 INFO L268 CegarLoopResult]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2020-08-27 21:52:28,227 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-08-27 21:52:28,227 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-08-27 21:52:28,227 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-08-27 21:52:28,227 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-27 21:52:28,227 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-27 21:52:28,227 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-27 21:52:28,227 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-27 21:52:28,227 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 598) no Hoare annotation was computed. [2020-08-27 21:52:28,228 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 586 600) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-27 21:52:28,228 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 586 600) no Hoare annotation was computed. [2020-08-27 21:52:28,228 INFO L264 CegarLoopResult]: At program point L595(lines 586 600) the Hoare annotation is: false [2020-08-27 21:52:28,228 INFO L268 CegarLoopResult]: For program point L594(lines 594 596) no Hoare annotation was computed. [2020-08-27 21:52:28,228 INFO L264 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse2 (<= 2 main_~len~0)) (.cse1 (<= main_~len~0 2)) (.cse3 (= (select (select |#memory_$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$.base| .cse0) 4) 0) .cse3 (<= main_~i~0 1) .cse4) (and (<= main_~i~0 0) .cse2 .cse1 (<= 0 main_~i~0) .cse3 (= .cse0 0) .cse4)))) [2020-08-27 21:52:28,228 INFO L268 CegarLoopResult]: For program point L592-1(lines 591 593) no Hoare annotation was computed. [2020-08-27 21:52:28,228 INFO L264 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (and (<= main_~len~0 2) (<= 2 main_~len~0) (= (select |#valid| |main_~#s~0.base|) 1)) [2020-08-27 21:52:28,229 INFO L264 CegarLoopResult]: At program point L591-2(lines 591 593) the Hoare annotation is: (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse2 (<= 2 main_~len~0)) (.cse1 (<= main_~len~0 2)) (.cse3 (= (select (select |#memory_$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$.base| .cse0) 4) 0) .cse3 (<= main_~i~0 1) .cse4) (and (= .cse5 0) .cse2 .cse1 (<= (+ main_~i~0 1) 0) .cse3) (and (<= main_~i~0 0) .cse2 .cse1 (<= 0 main_~i~0) .cse3 (= .cse0 0) .cse4)))) [2020-08-27 21:52:28,229 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 586 600) no Hoare annotation was computed. [2020-08-27 21:52:28,229 INFO L268 CegarLoopResult]: For program point L589-1(line 589) no Hoare annotation was computed. [2020-08-27 21:52:28,229 INFO L268 CegarLoopResult]: For program point L591-3(lines 591 593) no Hoare annotation was computed. [2020-08-27 21:52:28,229 INFO L268 CegarLoopResult]: For program point sll_remove_firstEXIT(lines 581 585) no Hoare annotation was computed. [2020-08-27 21:52:28,230 INFO L264 CegarLoopResult]: At program point sll_remove_firstENTRY(lines 581 585) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-27 21:52:28,230 INFO L268 CegarLoopResult]: For program point sll_remove_firstFINAL(lines 581 585) no Hoare annotation was computed. [2020-08-27 21:52:28,230 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-27 21:52:28,230 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-08-27 21:52:28,230 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-08-27 21:52:28,231 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-08-27 21:52:28,231 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-08-27 21:52:28,231 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-08-27 21:52:28,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,244 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,244 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,248 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,248 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-27 21:52:28,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-27 21:52:28,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-27 21:52:28,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-27 21:52:28,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,279 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,279 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,279 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,282 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-27 21:52:28,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-27 21:52:28,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-27 21:52:28,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-27 21:52:28,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 09:52:28 BoogieIcfgContainer [2020-08-27 21:52:28,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-27 21:52:28,291 INFO L168 Benchmark]: Toolchain (without parser) took 7850.52 ms. Allocated memory was 139.5 MB in the beginning and 295.2 MB in the end (delta: 155.7 MB). Free memory was 101.4 MB in the beginning and 174.0 MB in the end (delta: -72.7 MB). Peak memory consumption was 167.1 MB. Max. memory is 7.1 GB. [2020-08-27 21:52:28,292 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-27 21:52:28,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.64 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.0 MB in the beginning and 168.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-08-27 21:52:28,294 INFO L168 Benchmark]: Boogie Preprocessor took 75.85 ms. Allocated memory is still 202.9 MB. Free memory was 168.7 MB in the beginning and 166.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-08-27 21:52:28,294 INFO L168 Benchmark]: RCFGBuilder took 683.16 ms. Allocated memory is still 202.9 MB. Free memory was 166.0 MB in the beginning and 121.9 MB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 7.1 GB. [2020-08-27 21:52:28,295 INFO L168 Benchmark]: TraceAbstraction took 6405.71 ms. Allocated memory was 202.9 MB in the beginning and 295.2 MB in the end (delta: 92.3 MB). Free memory was 121.3 MB in the beginning and 174.0 MB in the end (delta: -52.8 MB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. [2020-08-27 21:52:28,299 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 680.64 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.0 MB in the beginning and 168.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.85 ms. Allocated memory is still 202.9 MB. Free memory was 168.7 MB in the beginning and 166.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 683.16 ms. Allocated memory is still 202.9 MB. Free memory was 166.0 MB in the beginning and 121.9 MB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6405.71 ms. Allocated memory was 202.9 MB in the beginning and 295.2 MB in the end (delta: 92.3 MB). Free memory was 121.3 MB in the beginning and 174.0 MB in the end (delta: -52.8 MB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.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 - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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 * 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 #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 #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 #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_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 598]: 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: 591]: Loop Invariant [2020-08-27 21:52:28,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,320 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,320 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,320 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,320 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,320 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,321 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,321 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,321 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,321 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,325 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,325 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,325 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,333 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 && 2 <= len) && len <= 2) && 0 <= i) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant [2020-08-27 21:52:28,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,335 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,335 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,335 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,335 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,336 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,336 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,336 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,336 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-27 21:52:28,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-27 21:52:28,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-27 21:52:28,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-27 21:52:28,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,340 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,342 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,342 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,342 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,342 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,342 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-27 21:52:28,343 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-27 21:52:28,343 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,343 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,343 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-27 21:52:28,343 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-27 21:52:28,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-27 21:52:28,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-27 21:52:28,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,346 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-27 21:52:28,346 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && head == 0) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && \old(len) == len) && head == 0) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid) || (len + 2 <= \old(len) && 3 <= \old(len))) || ((((((\old(\valid)[head] == 0 && #memory_$Pointer$[head][4] == 0) && len + 1 <= \old(len)) && \valid[head] == 1) && head == 0) && #memory_$Pointer$[head][4] == 0) && \old(len) <= len + 1)) || (((((#memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0 && \old(\valid)[#memory_$Pointer$[head][4]] == 0) && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && len + 2 <= \old(len)) && head == 0) && #memory_$Pointer$[head][4] == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.5s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 219 SDtfs, 126 SDslu, 866 SDs, 0 SdLazy, 1103 SolverSat, 127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=6, 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, 8 MinimizatonAttempts, 19 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 27 PreInvPairs, 37 NumberOfFragments, 535 HoareAnnotationTreeSize, 27 FomulaSimplifications, 33 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 16 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 86376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 80/113 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...