/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:23:48,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:23:48,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:23:48,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:23:48,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:23:48,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:23:48,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:23:48,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:23:48,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:23:48,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:23:48,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:23:48,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:23:48,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:23:48,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:23:48,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:23:48,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:23:48,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:23:48,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:23:48,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:23:48,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:23:48,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:23:48,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:23:48,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:23:48,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:23:48,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 11:23:48,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 11:23:48,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 11:23:48,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 11:23:48,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 11:23:48,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 11:23:48,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 11:23:48,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 11:23:48,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 11:23:48,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 11:23:48,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 11:23:48,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 11:23:48,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 11:23:48,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 11:23:48,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:23:48,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:23:48,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:23:48,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 11:23:48,917 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:23:48,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:23:48,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:23:48,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:23:48,921 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:23:48,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:23:48,921 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:23:48,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:23:48,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:23:48,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:23:48,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:23:48,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:23:48,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:23:48,923 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:23:48,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:23:48,924 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:23:48,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:23:48,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:23:48,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:23:48,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:23:48,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:23:48,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:23:48,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:23:48,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:23:48,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:23:48,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:23:48,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:23:48,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:23:48,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:23:48,927 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 11:23:49,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:23:49,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:23:49,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:23:49,227 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:23:49,227 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:23:49,228 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-21 11:23:49,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d99ea31c6/50f1d47ced614cdb82e41068977682a6/FLAGd4d96d390 [2020-07-21 11:23:49,838 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:23:49,839 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-21 11:23:49,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d99ea31c6/50f1d47ced614cdb82e41068977682a6/FLAGd4d96d390 [2020-07-21 11:23:50,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d99ea31c6/50f1d47ced614cdb82e41068977682a6 [2020-07-21 11:23:50,171 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:23:50,174 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:23:50,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:23:50,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:23:50,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:23:50,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:23:50" (1/1) ... [2020-07-21 11:23:50,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5259c586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:23:50, skipping insertion in model container [2020-07-21 11:23:50,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:23:50" (1/1) ... [2020-07-21 11:23:50,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:23:50,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:23:50,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:23:50,731 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:23:50,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:23:50,846 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:23:50,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:23:50 WrapperNode [2020-07-21 11:23:50,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:23:50,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:23:50,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:23:50,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:23:50,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:23:50" (1/1) ... [2020-07-21 11:23:50,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:23:50" (1/1) ... [2020-07-21 11:23:50,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:23:50" (1/1) ... [2020-07-21 11:23:50,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:23:50" (1/1) ... [2020-07-21 11:23:50,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:23:50" (1/1) ... [2020-07-21 11:23:50,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:23:50" (1/1) ... [2020-07-21 11:23:50,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:23:50" (1/1) ... [2020-07-21 11:23:50,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:23:50,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:23:50,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:23:50,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:23:50,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:23:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-21 11:23:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:23:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:23:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-21 11:23:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-21 11:23:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-21 11:23:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-07-21 11:23:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-07-21 11:23:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-07-21 11:23:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-07-21 11:23:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-07-21 11:23:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:23:50,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:23:50,985 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-21 11:23:50,985 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-21 11:23:50,986 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-21 11:23:50,986 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-21 11:23:50,986 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-21 11:23:50,986 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-21 11:23:50,986 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-21 11:23:50,986 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-21 11:23:50,987 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-21 11:23:50,987 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-21 11:23:50,987 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-21 11:23:50,987 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-21 11:23:50,987 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-21 11:23:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-21 11:23:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-21 11:23:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-21 11:23:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-21 11:23:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-21 11:23:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-21 11:23:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-21 11:23:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-21 11:23:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-21 11:23:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-21 11:23:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-21 11:23:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-21 11:23:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-21 11:23:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-21 11:23:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-21 11:23:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-21 11:23:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-21 11:23:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-21 11:23:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-21 11:23:50,991 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-21 11:23:50,991 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-21 11:23:50,991 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-21 11:23:50,991 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-21 11:23:50,991 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-21 11:23:50,991 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-21 11:23:50,991 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-21 11:23:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-21 11:23:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-21 11:23:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-21 11:23:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-21 11:23:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-21 11:23:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-21 11:23:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-21 11:23:50,993 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-21 11:23:50,993 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-21 11:23:50,993 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-21 11:23:50,993 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-21 11:23:50,993 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-21 11:23:50,994 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-21 11:23:50,994 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 11:23:50,994 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-21 11:23:50,994 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-21 11:23:50,994 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 11:23:50,994 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-21 11:23:50,995 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-21 11:23:50,995 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-21 11:23:50,995 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-21 11:23:50,995 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-21 11:23:50,995 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-21 11:23:50,995 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-21 11:23:50,995 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-21 11:23:50,996 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-21 11:23:50,996 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 11:23:50,996 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-21 11:23:50,996 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-21 11:23:50,996 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-21 11:23:50,996 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-21 11:23:50,997 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-21 11:23:50,997 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-21 11:23:50,997 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-21 11:23:50,997 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-21 11:23:50,997 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-21 11:23:50,997 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-21 11:23:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-21 11:23:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-21 11:23:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-21 11:23:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-21 11:23:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-21 11:23:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-21 11:23:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-21 11:23:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-21 11:23:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-21 11:23:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-21 11:23:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-21 11:23:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-21 11:23:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-21 11:23:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-21 11:23:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-21 11:23:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-21 11:23:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-21 11:23:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-21 11:23:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-21 11:23:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-21 11:23:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-21 11:23:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-21 11:23:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-21 11:23:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-21 11:23:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-21 11:23:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-21 11:23:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-21 11:23:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-21 11:23:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-21 11:23:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-21 11:23:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-07-21 11:23:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 11:23:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 11:23:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 11:23:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-07-21 11:23:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-07-21 11:23:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 11:23:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 11:23:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-07-21 11:23:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 11:23:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-07-21 11:23:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:23:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:23:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:23:51,429 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-21 11:23:51,566 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:23:51,566 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-21 11:23:51,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:23:51 BoogieIcfgContainer [2020-07-21 11:23:51,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:23:51,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:23:51,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:23:51,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:23:51,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:23:50" (1/3) ... [2020-07-21 11:23:51,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738cf16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:23:51, skipping insertion in model container [2020-07-21 11:23:51,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:23:50" (2/3) ... [2020-07-21 11:23:51,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738cf16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:23:51, skipping insertion in model container [2020-07-21 11:23:51,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:23:51" (3/3) ... [2020-07-21 11:23:51,580 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-07-21 11:23:51,591 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:23:51,600 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:23:51,615 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:23:51,641 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:23:51,641 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:23:51,642 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:23:51,642 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:23:51,642 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:23:51,642 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:23:51,643 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:23:51,643 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:23:51,663 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-07-21 11:23:51,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-21 11:23:51,671 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:23:51,672 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] [2020-07-21 11:23:51,673 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:23:51,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:23:51,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1559034541, now seen corresponding path program 1 times [2020-07-21 11:23:51,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:23:51,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593310526] [2020-07-21 11:23:51,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:23:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:23:51,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 11:23:51,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:23:51,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:23:51,911 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:23:51,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593310526] [2020-07-21 11:23:51,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:23:51,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 11:23:51,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677780162] [2020-07-21 11:23:51,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 11:23:51,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:23:51,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 11:23:51,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 11:23:51,938 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2020-07-21 11:23:51,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:23:51,968 INFO L93 Difference]: Finished difference Result 90 states and 116 transitions. [2020-07-21 11:23:51,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 11:23:51,969 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2020-07-21 11:23:51,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:23:51,981 INFO L225 Difference]: With dead ends: 90 [2020-07-21 11:23:51,982 INFO L226 Difference]: Without dead ends: 42 [2020-07-21 11:23:51,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 11:23:52,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-07-21 11:23:52,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-07-21 11:23:52,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-21 11:23:52,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-07-21 11:23:52,045 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 25 [2020-07-21 11:23:52,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:23:52,046 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-07-21 11:23:52,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 11:23:52,047 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-07-21 11:23:52,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-21 11:23:52,049 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:23:52,049 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] [2020-07-21 11:23:52,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:23:52,263 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:23:52,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:23:52,265 INFO L82 PathProgramCache]: Analyzing trace with hash -404189262, now seen corresponding path program 1 times [2020-07-21 11:23:52,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:23:52,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [417394875] [2020-07-21 11:23:52,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:23:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:23:52,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:23:52,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:23:52,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:23:52,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:23:52,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [417394875] [2020-07-21 11:23:52,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:23:52,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 11:23:52,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75348785] [2020-07-21 11:23:52,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:23:52,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:23:52,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:23:52,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:23:52,475 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states. [2020-07-21 11:23:52,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:23:52,568 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2020-07-21 11:23:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 11:23:52,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-21 11:23:52,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:23:52,575 INFO L225 Difference]: With dead ends: 71 [2020-07-21 11:23:52,575 INFO L226 Difference]: Without dead ends: 46 [2020-07-21 11:23:52,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 11:23:52,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-21 11:23:52,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2020-07-21 11:23:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-07-21 11:23:52,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2020-07-21 11:23:52,615 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 25 [2020-07-21 11:23:52,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:23:52,616 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2020-07-21 11:23:52,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:23:52,616 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-07-21 11:23:52,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-21 11:23:52,618 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:23:52,618 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:23:52,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:23:52,832 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:23:52,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:23:52,833 INFO L82 PathProgramCache]: Analyzing trace with hash 965527869, now seen corresponding path program 1 times [2020-07-21 11:23:52,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:23:52,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2000712435] [2020-07-21 11:23:52,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:23:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:23:52,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 11:23:52,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:23:53,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:23:53,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:23:53,135 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:23:53,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:23:53,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2000712435] [2020-07-21 11:23:53,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:23:53,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-07-21 11:23:53,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442722805] [2020-07-21 11:23:53,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 11:23:53,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:23:53,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 11:23:53,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:23:53,156 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 8 states. [2020-07-21 11:23:53,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:23:53,236 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2020-07-21 11:23:53,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:23:53,236 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2020-07-21 11:23:53,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:23:53,238 INFO L225 Difference]: With dead ends: 75 [2020-07-21 11:23:53,238 INFO L226 Difference]: Without dead ends: 50 [2020-07-21 11:23:53,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 58 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-07-21 11:23:53,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-21 11:23:53,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2020-07-21 11:23:53,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-07-21 11:23:53,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2020-07-21 11:23:53,248 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 34 [2020-07-21 11:23:53,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:23:53,249 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2020-07-21 11:23:53,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 11:23:53,249 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2020-07-21 11:23:53,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-21 11:23:53,252 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:23:53,252 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, 1, 1] [2020-07-21 11:23:53,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:23:53,467 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:23:53,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:23:53,468 INFO L82 PathProgramCache]: Analyzing trace with hash 2121866258, now seen corresponding path program 2 times [2020-07-21 11:23:53,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:23:53,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [196745278] [2020-07-21 11:23:53,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:23:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:23:53,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 11:23:53,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:23:53,635 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 11:23:53,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:23:53,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [196745278] [2020-07-21 11:23:53,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:23:53,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 11:23:53,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649025446] [2020-07-21 11:23:53,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 11:23:53,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:23:53,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 11:23:53,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-21 11:23:53,637 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand 4 states. [2020-07-21 11:23:53,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:23:53,672 INFO L93 Difference]: Finished difference Result 70 states and 79 transitions. [2020-07-21 11:23:53,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 11:23:53,673 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2020-07-21 11:23:53,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:23:53,675 INFO L225 Difference]: With dead ends: 70 [2020-07-21 11:23:53,675 INFO L226 Difference]: Without dead ends: 57 [2020-07-21 11:23:53,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:23:53,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-07-21 11:23:53,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 48. [2020-07-21 11:23:53,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-21 11:23:53,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2020-07-21 11:23:53,684 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 43 [2020-07-21 11:23:53,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:23:53,685 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2020-07-21 11:23:53,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 11:23:53,685 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2020-07-21 11:23:53,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 11:23:53,686 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:23:53,687 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:23:53,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:23:53,901 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:23:53,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:23:53,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1073302620, now seen corresponding path program 1 times [2020-07-21 11:23:53,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:23:53,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742061699] [2020-07-21 11:23:53,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:23:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:23:54,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 11:23:54,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:23:54,051 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 11:23:54,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:23:54,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742061699] [2020-07-21 11:23:54,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:23:54,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 11:23:54,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093794481] [2020-07-21 11:23:54,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 11:23:54,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:23:54,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 11:23:54,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 11:23:54,054 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand 6 states. [2020-07-21 11:23:54,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:23:54,130 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2020-07-21 11:23:54,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 11:23:54,131 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2020-07-21 11:23:54,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:23:54,134 INFO L225 Difference]: With dead ends: 82 [2020-07-21 11:23:54,134 INFO L226 Difference]: Without dead ends: 61 [2020-07-21 11:23:54,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:23:54,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-07-21 11:23:54,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 53. [2020-07-21 11:23:54,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-21 11:23:54,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2020-07-21 11:23:54,144 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 51 [2020-07-21 11:23:54,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:23:54,145 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2020-07-21 11:23:54,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 11:23:54,145 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2020-07-21 11:23:54,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 11:23:54,146 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:23:54,146 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:23:54,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:23:54,359 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:23:54,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:23:54,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1916727535, now seen corresponding path program 1 times [2020-07-21 11:23:54,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:23:54,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648735883] [2020-07-21 11:23:54,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:23:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:23:54,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:23:54,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:23:54,527 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 11:23:54,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:23:54,584 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 11:23:54,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [648735883] [2020-07-21 11:23:54,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:23:54,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2020-07-21 11:23:54,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476866662] [2020-07-21 11:23:54,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:23:54,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:23:54,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:23:54,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:23:54,588 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 5 states. [2020-07-21 11:23:54,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:23:54,657 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2020-07-21 11:23:54,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 11:23:54,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-21 11:23:54,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:23:54,659 INFO L225 Difference]: With dead ends: 76 [2020-07-21 11:23:54,659 INFO L226 Difference]: Without dead ends: 63 [2020-07-21 11:23:54,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:23:54,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-07-21 11:23:54,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 55. [2020-07-21 11:23:54,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-21 11:23:54,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2020-07-21 11:23:54,668 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 52 [2020-07-21 11:23:54,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:23:54,669 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2020-07-21 11:23:54,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:23:54,669 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2020-07-21 11:23:54,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 11:23:54,670 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:23:54,670 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:23:54,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:23:54,886 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:23:54,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:23:54,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1237251129, now seen corresponding path program 2 times [2020-07-21 11:23:54,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:23:54,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1980283808] [2020-07-21 11:23:54,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:23:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:23:55,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 11:23:55,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:23:55,055 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-21 11:23:55,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:23:55,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1980283808] [2020-07-21 11:23:55,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:23:55,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 11:23:55,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384749806] [2020-07-21 11:23:55,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 11:23:55,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:23:55,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 11:23:55,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 11:23:55,058 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand 6 states. [2020-07-21 11:23:55,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:23:55,120 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2020-07-21 11:23:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 11:23:55,120 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-21 11:23:55,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:23:55,122 INFO L225 Difference]: With dead ends: 78 [2020-07-21 11:23:55,122 INFO L226 Difference]: Without dead ends: 66 [2020-07-21 11:23:55,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:23:55,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-21 11:23:55,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 61. [2020-07-21 11:23:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-21 11:23:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2020-07-21 11:23:55,132 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 60 [2020-07-21 11:23:55,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:23:55,133 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2020-07-21 11:23:55,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 11:23:55,133 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2020-07-21 11:23:55,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 11:23:55,134 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:23:55,134 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:23:55,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:23:55,349 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:23:55,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:23:55,349 INFO L82 PathProgramCache]: Analyzing trace with hash 2044789832, now seen corresponding path program 1 times [2020-07-21 11:23:55,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:23:55,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297667530] [2020-07-21 11:23:55,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:23:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:23:55,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 107 conjunts are in the unsatisfiable core [2020-07-21 11:23:55,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:23:55,523 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-07-21 11:23:55,524 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 11:23:55,528 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:55,528 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:23:55,529 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-07-21 11:23:55,601 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:55,602 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-07-21 11:23:55,603 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 11:23:55,604 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:55,605 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:23:55,605 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2020-07-21 11:23:55,625 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-07-21 11:23:55,625 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 11:23:55,631 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:55,632 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:23:55,632 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:10 [2020-07-21 11:23:55,838 INFO L440 ElimStorePlain]: Different costs {0=[|v_#memory_int_54|], 2=[|v_#memory_$Pointer$.offset_55|]} [2020-07-21 11:23:55,845 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2020-07-21 11:23:55,845 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 11:23:55,854 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:55,880 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:55,881 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 134 [2020-07-21 11:23:55,886 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 2, 1] term [2020-07-21 11:23:55,887 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 11:23:55,888 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-07-21 11:23:55,945 INFO L624 ElimStorePlain]: treesize reduction 80, result has 61.5 percent of original size [2020-07-21 11:23:55,945 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-07-21 11:23:55,945 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:120, output treesize:128 [2020-07-21 11:23:56,020 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 11:23:56,056 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:56,057 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 109 [2020-07-21 11:23:56,058 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 2, 1] term [2020-07-21 11:23:56,059 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 11:23:56,063 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 11:23:56,077 INFO L624 ElimStorePlain]: treesize reduction 48, result has 41.5 percent of original size [2020-07-21 11:23:56,078 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:23:56,078 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:34 [2020-07-21 11:23:57,878 WARN L860 $PredicateComparison]: unable to prove that (exists ((sll_update_at_~head.offset Int) (sll_update_at_~data Int)) (and (= |c_#memory_int| (store |c_old(#memory_int)| |c_sll_update_at_#in~head.base| (store (select |c_old(#memory_int)| |c_sll_update_at_#in~head.base|) sll_update_at_~head.offset sll_update_at_~data))) (<= sll_update_at_~head.offset |c_sll_update_at_#in~head.offset|) (= (store |c_old(#memory_$Pointer$.offset)| |c_sll_update_at_#in~head.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_sll_update_at_#in~head.base|) sll_update_at_~head.offset (select (select |c_#memory_$Pointer$.offset| |c_sll_update_at_#in~head.base|) sll_update_at_~head.offset))) |c_#memory_$Pointer$.offset|) (= (store |c_old(#memory_$Pointer$.base)| |c_sll_update_at_#in~head.base| (store (select |c_old(#memory_$Pointer$.base)| |c_sll_update_at_#in~head.base|) sll_update_at_~head.offset (select (select |c_#memory_$Pointer$.base| |c_sll_update_at_#in~head.base|) sll_update_at_~head.offset))) |c_#memory_$Pointer$.base|))) is different from true [2020-07-21 11:23:57,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:23:57,912 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 31 [2020-07-21 11:23:57,913 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 11:23:57,927 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:57,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 11:23:57,933 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2020-07-21 11:23:57,934 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 11:23:57,943 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:57,953 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 34 [2020-07-21 11:23:57,954 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 11:23:57,969 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:57,971 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:23:57,971 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:78, output treesize:34 [2020-07-21 11:23:58,450 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:58,451 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 113 treesize of output 93 [2020-07-21 11:23:58,453 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-21 11:23:58,456 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-21 11:23:58,459 INFO L544 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-21 11:23:58,483 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:58,495 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:58,496 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 61 [2020-07-21 11:23:58,497 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 11:23:58,500 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 11:23:58,501 INFO L544 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-21 11:23:58,535 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:58,555 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:58,555 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 41 [2020-07-21 11:23:58,557 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 11:23:58,559 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 11:23:58,622 INFO L624 ElimStorePlain]: treesize reduction 16, result has 78.7 percent of original size [2020-07-21 11:23:58,625 INFO L544 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:23:58,625 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:113, output treesize:19 [2020-07-21 11:23:58,716 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 2 not checked. [2020-07-21 11:23:58,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:23:59,221 INFO L544 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-21 11:23:59,229 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:59,233 INFO L544 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-21 11:23:59,246 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:23:59,247 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-07-21 11:23:59,247 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:67, output treesize:41 [2020-07-21 11:24:00,479 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_sll_update_at_~data_8 Int) (v_sll_update_at_~head.offset_12 Int) (v_DerPreprocessor_2 Int) (v_DerPreprocessor_1 Int)) (or (< c_main_~s~0.offset v_sll_update_at_~head.offset_12) (= (+ (let ((.cse0 (+ c_main_~s~0.offset 4))) (select (select (store |c_#memory_int| c_main_~s~0.base (store (select |c_#memory_int| c_main_~s~0.base) v_sll_update_at_~head.offset_12 v_sll_update_at_~data_8)) (select (store (select |c_#memory_$Pointer$.base| c_main_~s~0.base) v_sll_update_at_~head.offset_12 v_DerPreprocessor_2) .cse0)) (select (store (select |c_#memory_$Pointer$.offset| c_main_~s~0.base) v_sll_update_at_~head.offset_12 v_DerPreprocessor_1) .cse0))) 1) (* 2 c_main_~len~0)))) is different from false [2020-07-21 11:24:00,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297667530] [2020-07-21 11:24:00,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-21 11:24:00,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-07-21 11:24:00,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250066802] [2020-07-21 11:24:00,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-07-21 11:24:00,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:00,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-07-21 11:24:00,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1172, Unknown=2, NotChecked=138, Total=1406 [2020-07-21 11:24:00,483 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand 30 states. [2020-07-21 11:24:06,459 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 33 [2020-07-21 11:24:14,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:14,889 INFO L93 Difference]: Finished difference Result 111 states and 135 transitions. [2020-07-21 11:24:14,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-21 11:24:14,890 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 61 [2020-07-21 11:24:14,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:14,892 INFO L225 Difference]: With dead ends: 111 [2020-07-21 11:24:14,892 INFO L226 Difference]: Without dead ends: 109 [2020-07-21 11:24:14,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 16.9s TimeCoverageRelationStatistics Valid=261, Invalid=3040, Unknown=13, NotChecked=226, Total=3540 [2020-07-21 11:24:14,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-21 11:24:14,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 93. [2020-07-21 11:24:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-21 11:24:14,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 114 transitions. [2020-07-21 11:24:14,911 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 114 transitions. Word has length 61 [2020-07-21 11:24:14,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:14,912 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 114 transitions. [2020-07-21 11:24:14,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-07-21 11:24:14,912 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2020-07-21 11:24:14,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 11:24:14,914 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:14,914 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:24:15,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:15,128 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:15,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:15,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1308685849, now seen corresponding path program 2 times [2020-07-21 11:24:15,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:15,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1744034304] [2020-07-21 11:24:15,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:15,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:24:15,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:15,293 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-21 11:24:15,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:24:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-21 11:24:15,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1744034304] [2020-07-21 11:24:15,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 11:24:15,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2020-07-21 11:24:15,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573691026] [2020-07-21 11:24:15,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:24:15,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:15,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:24:15,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-21 11:24:15,414 INFO L87 Difference]: Start difference. First operand 93 states and 114 transitions. Second operand 7 states. [2020-07-21 11:24:15,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:15,473 INFO L93 Difference]: Finished difference Result 131 states and 160 transitions. [2020-07-21 11:24:15,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:24:15,474 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-07-21 11:24:15,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:15,476 INFO L225 Difference]: With dead ends: 131 [2020-07-21 11:24:15,476 INFO L226 Difference]: Without dead ends: 89 [2020-07-21 11:24:15,477 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-21 11:24:15,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-07-21 11:24:15,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-07-21 11:24:15,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-07-21 11:24:15,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 106 transitions. [2020-07-21 11:24:15,491 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 106 transitions. Word has length 62 [2020-07-21 11:24:15,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:15,491 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 106 transitions. [2020-07-21 11:24:15,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:24:15,491 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2020-07-21 11:24:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 11:24:15,493 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:15,493 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:24:15,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:15,708 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:15,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:15,709 INFO L82 PathProgramCache]: Analyzing trace with hash 274449135, now seen corresponding path program 3 times [2020-07-21 11:24:15,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:15,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1876002864] [2020-07-21 11:24:15,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:15,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:24:15,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:15,863 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-21 11:24:15,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:24:15,971 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-21 11:24:15,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1876002864] [2020-07-21 11:24:15,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 11:24:15,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2020-07-21 11:24:15,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082500502] [2020-07-21 11:24:15,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:24:15,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:15,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:24:15,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:24:15,975 INFO L87 Difference]: Start difference. First operand 89 states and 106 transitions. Second operand 7 states. [2020-07-21 11:24:16,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:16,067 INFO L93 Difference]: Finished difference Result 130 states and 153 transitions. [2020-07-21 11:24:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:24:16,068 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-07-21 11:24:16,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:16,070 INFO L225 Difference]: With dead ends: 130 [2020-07-21 11:24:16,071 INFO L226 Difference]: Without dead ends: 95 [2020-07-21 11:24:16,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 112 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-21 11:24:16,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-07-21 11:24:16,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 89. [2020-07-21 11:24:16,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-07-21 11:24:16,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 102 transitions. [2020-07-21 11:24:16,088 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 102 transitions. Word has length 62 [2020-07-21 11:24:16,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:16,089 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 102 transitions. [2020-07-21 11:24:16,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:24:16,089 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2020-07-21 11:24:16,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 11:24:16,090 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:16,090 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:24:16,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:16,304 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:16,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:16,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1539067163, now seen corresponding path program 4 times [2020-07-21 11:24:16,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:16,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586996196] [2020-07-21 11:24:16,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:16,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:24:16,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:16,476 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-21 11:24:16,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:24:16,600 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 11:24:16,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586996196] [2020-07-21 11:24:16,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:24:16,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-07-21 11:24:16,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237315850] [2020-07-21 11:24:16,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-21 11:24:16,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:16,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-21 11:24:16,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-21 11:24:16,603 INFO L87 Difference]: Start difference. First operand 89 states and 102 transitions. Second operand 9 states. [2020-07-21 11:24:16,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:16,714 INFO L93 Difference]: Finished difference Result 104 states and 116 transitions. [2020-07-21 11:24:16,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 11:24:16,717 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-07-21 11:24:16,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:16,718 INFO L225 Difference]: With dead ends: 104 [2020-07-21 11:24:16,718 INFO L226 Difference]: Without dead ends: 63 [2020-07-21 11:24:16,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 113 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-21 11:24:16,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-07-21 11:24:16,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-07-21 11:24:16,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-21 11:24:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2020-07-21 11:24:16,727 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 62 [2020-07-21 11:24:16,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:16,727 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2020-07-21 11:24:16,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-21 11:24:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2020-07-21 11:24:16,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-21 11:24:16,729 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:16,729 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:24:16,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:16,941 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:16,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:16,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1890427347, now seen corresponding path program 1 times [2020-07-21 11:24:16,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:16,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [424243544] [2020-07-21 11:24:16,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:17,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 37 conjunts are in the unsatisfiable core [2020-07-21 11:24:17,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:17,135 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-07-21 11:24:17,135 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 11:24:17,137 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:24:17,138 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:24:17,138 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-07-21 11:24:17,455 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:24:17,456 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 69 [2020-07-21 11:24:17,458 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-21 11:24:17,460 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 11:24:17,481 INFO L624 ElimStorePlain]: treesize reduction 28, result has 56.3 percent of original size [2020-07-21 11:24:17,481 INFO L544 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 11:24:17,482 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:85, output treesize:36 [2020-07-21 11:24:17,533 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 11:24:17,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:24:17,706 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:24:17,837 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 11:24:17,839 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 11:24:17,839 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 11:24:17,841 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 11:24:17,842 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 11:24:17,955 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2020-07-21 11:24:17,957 INFO L544 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-21 11:24:17,999 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 11:24:18,010 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2020-07-21 11:24:18,011 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2020-07-21 11:24:18,070 INFO L624 ElimStorePlain]: treesize reduction 30, result has 65.1 percent of original size [2020-07-21 11:24:18,071 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-07-21 11:24:18,071 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:73, output treesize:56 [2020-07-21 11:24:18,178 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 11:24:18,237 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 11:24:18,274 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 11:24:18,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [424243544] [2020-07-21 11:24:18,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:24:18,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 28 [2020-07-21 11:24:18,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081167679] [2020-07-21 11:24:18,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-07-21 11:24:18,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:18,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-07-21 11:24:18,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=661, Unknown=0, NotChecked=0, Total=756 [2020-07-21 11:24:18,277 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand 28 states. [2020-07-21 11:24:19,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:19,159 INFO L93 Difference]: Finished difference Result 77 states and 84 transitions. [2020-07-21 11:24:19,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 11:24:19,159 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 71 [2020-07-21 11:24:19,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:19,161 INFO L225 Difference]: With dead ends: 77 [2020-07-21 11:24:19,161 INFO L226 Difference]: Without dead ends: 73 [2020-07-21 11:24:19,162 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 112 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=207, Invalid=1125, Unknown=0, NotChecked=0, Total=1332 [2020-07-21 11:24:19,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-21 11:24:19,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2020-07-21 11:24:19,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-07-21 11:24:19,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 75 transitions. [2020-07-21 11:24:19,171 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 75 transitions. Word has length 71 [2020-07-21 11:24:19,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:19,172 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 75 transitions. [2020-07-21 11:24:19,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-07-21 11:24:19,172 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2020-07-21 11:24:19,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-21 11:24:19,173 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:19,173 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:24:19,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:19,385 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:19,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:19,386 INFO L82 PathProgramCache]: Analyzing trace with hash 818416110, now seen corresponding path program 2 times [2020-07-21 11:24:19,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:19,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450965834] [2020-07-21 11:24:19,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:19,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:24:19,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-21 11:24:19,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:24:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-21 11:24:19,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450965834] [2020-07-21 11:24:19,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 11:24:19,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2020-07-21 11:24:19,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424147383] [2020-07-21 11:24:19,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:24:19,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:19,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:24:19,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:24:19,679 INFO L87 Difference]: Start difference. First operand 69 states and 75 transitions. Second operand 7 states. [2020-07-21 11:24:19,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:19,754 INFO L93 Difference]: Finished difference Result 86 states and 93 transitions. [2020-07-21 11:24:19,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:24:19,755 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2020-07-21 11:24:19,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:19,755 INFO L225 Difference]: With dead ends: 86 [2020-07-21 11:24:19,756 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 11:24:19,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 132 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-21 11:24:19,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 11:24:19,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 11:24:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 11:24:19,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 11:24:19,757 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2020-07-21 11:24:19,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:19,758 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 11:24:19,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:24:19,758 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 11:24:19,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 11:24:19,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:19,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 11:24:20,086 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2020-07-21 11:24:20,525 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-07-21 11:24:20,730 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2020-07-21 11:24:20,965 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2020-07-21 11:24:21,098 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 43 [2020-07-21 11:24:21,244 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:24:21,245 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-21 11:24:21,245 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:24:21,245 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-07-21 11:24:21,245 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-07-21 11:24:21,245 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-07-21 11:24:21,245 INFO L268 CegarLoopResult]: For program point sll_destroyEXIT(lines 581 587) no Hoare annotation was computed. [2020-07-21 11:24:21,245 INFO L271 CegarLoopResult]: At program point L582-2(lines 582 586) the Hoare annotation is: true [2020-07-21 11:24:21,246 INFO L271 CegarLoopResult]: At program point sll_destroyENTRY(lines 581 587) the Hoare annotation is: true [2020-07-21 11:24:21,246 INFO L268 CegarLoopResult]: For program point L582-3(lines 581 587) no Hoare annotation was computed. [2020-07-21 11:24:21,246 INFO L268 CegarLoopResult]: For program point sll_update_atFINAL(lines 595 601) no Hoare annotation was computed. [2020-07-21 11:24:21,246 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (let ((.cse4 (= |#memory_int| |old(#memory_int)|)) (.cse3 (= sll_update_at_~data |sll_update_at_#in~data|)) (.cse5 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (.cse6 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (let ((.cse1 (and (<= sll_update_at_~index |sll_update_at_#in~index|) (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) .cse4 .cse3 .cse5 (<= |sll_update_at_#in~index| sll_update_at_~index) .cse6))) (and (let ((.cse0 (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|))) (or (and (<= 2 |sll_update_at_#in~index|) .cse0) .cse1 (let ((.cse2 (+ |sll_update_at_#in~head.offset| 4))) (and (= (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) .cse2) sll_update_at_~head.offset) .cse3 (= sll_update_at_~head.base (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) .cse2)) .cse0)))) (or (and (<= 1 |sll_update_at_#in~index|) .cse4 .cse5 .cse6) .cse1)))) [2020-07-21 11:24:21,246 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-07-21 11:24:21,246 INFO L268 CegarLoopResult]: For program point sll_update_atEXIT(lines 595 601) no Hoare annotation was computed. [2020-07-21 11:24:21,247 INFO L264 CegarLoopResult]: At program point sll_update_atENTRY(lines 595 601) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 11:24:21,247 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-07-21 11:24:21,247 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-07-21 11:24:21,247 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-07-21 11:24:21,247 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (and (= |#valid| |old(#valid)|) (<= |sll_create_#in~len| sll_create_~len) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 1 (select |#valid| sll_create_~head~0.base)) (or (<= |sll_create_#in~len| 1) (< 0 sll_create_~len)))) [2020-07-21 11:24:21,247 INFO L268 CegarLoopResult]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2020-07-21 11:24:21,247 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-07-21 11:24:21,248 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2020-07-21 11:24:21,248 INFO L264 CegarLoopResult]: At program point L574-3(lines 574 578) the Hoare annotation is: (let ((.cse0 (= 1 (select |#valid| sll_create_~head~0.base)))) (or (and (= |#valid| |old(#valid)|) (<= |sll_create_#in~len| sll_create_~len) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (<= |sll_create_#in~len| (+ sll_create_~len 1)) .cse0) (and (not (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4)) sll_create_~head~0.base)) .cse0))) [2020-07-21 11:24:21,248 INFO L268 CegarLoopResult]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2020-07-21 11:24:21,248 INFO L264 CegarLoopResult]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 11:24:21,248 INFO L268 CegarLoopResult]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2020-07-21 11:24:21,248 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-07-21 11:24:21,248 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-07-21 11:24:21,248 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-07-21 11:24:21,249 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:24:21,249 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-21 11:24:21,249 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 11:24:21,249 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:24:21,249 INFO L271 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 588 594) the Hoare annotation is: true [2020-07-21 11:24:21,249 INFO L268 CegarLoopResult]: For program point sll_get_data_atFINAL(lines 588 594) no Hoare annotation was computed. [2020-07-21 11:24:21,249 INFO L264 CegarLoopResult]: At program point L589-2(lines 589 592) the Hoare annotation is: (let ((.cse1 (<= 1 |sll_get_data_at_#in~index|)) (.cse2 (<= sll_get_data_at_~index 0))) (or (<= 2 |sll_get_data_at_#in~index|) (let ((.cse0 (+ |sll_get_data_at_#in~head.offset| 4))) (and (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) .cse0)) .cse1 .cse2 (= sll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) .cse0)))) (forall ((v_main_~s~0.offset_BEFORE_CALL_3 Int) (v_main_~s~0.base_BEFORE_CALL_3 Int)) (let ((.cse4 (+ v_main_~s~0.offset_BEFORE_CALL_3 4))) (let ((.cse3 (select (select |#memory_$Pointer$.base| v_main_~s~0.base_BEFORE_CALL_3) .cse4))) (or (not (= 0 (mod (+ (select (select |#memory_int| .cse3) (select (select |#memory_$Pointer$.offset| v_main_~s~0.base_BEFORE_CALL_3) .cse4)) 1) 2))) (= v_main_~s~0.base_BEFORE_CALL_3 .cse3))))) (and (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (or .cse1 .cse2) (< sll_get_data_at_~index 2) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (<= |sll_get_data_at_#in~index| sll_get_data_at_~index)) (forall ((v_main_~s~0.offset_BEFORE_CALL_5 Int) (v_main_~s~0.base_BEFORE_CALL_5 Int)) (let ((.cse6 (select (select |#memory_int| v_main_~s~0.base_BEFORE_CALL_5) v_main_~s~0.offset_BEFORE_CALL_5))) (let ((.cse5 (div (+ (* .cse6 (- 1)) (- 2)) (- 2)))) (or (not (<= .cse5 2)) (not (<= .cse5 .cse6)))))))) [2020-07-21 11:24:21,250 INFO L268 CegarLoopResult]: For program point L589-3(lines 589 592) no Hoare annotation was computed. [2020-07-21 11:24:21,250 INFO L268 CegarLoopResult]: For program point sll_get_data_atEXIT(lines 588 594) no Hoare annotation was computed. [2020-07-21 11:24:21,250 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse2 (+ main_~s~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse2))) (let ((.cse3 (not (= .cse1 main_~s~0.base))) (.cse0 (* main_~len~0 2))) (or (and (<= (+ main_~i~0 2) main_~len~0) (<= 0 main_~i~0) (<= main_~len~0 2) (<= main_~len~0 main_~new_data~0) (= .cse0 (+ (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse2)) 1)) .cse3 (<= (+ main_~new_data~0 2) (* 2 main_~len~0))) (and (= main_~len~0 (+ main_~i~0 1)) .cse3 (<= main_~i~0 1) (= .cse0 (+ main_~new_data~0 1)) (<= 1 main_~i~0)))))) [2020-07-21 11:24:21,250 INFO L268 CegarLoopResult]: For program point L611-2(lines 611 616) no Hoare annotation was computed. [2020-07-21 11:24:21,250 INFO L268 CegarLoopResult]: For program point L609-1(lines 607 610) no Hoare annotation was computed. [2020-07-21 11:24:21,250 INFO L264 CegarLoopResult]: At program point L611-3(lines 611 616) the Hoare annotation is: (let ((.cse3 (+ main_~s~0.offset 4))) (let ((.cse2 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse3)) (.cse1 (* 2 main_~len~0)) (.cse0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and (<= (+ .cse0 2) .cse1) (<= main_~len~0 2) (<= main_~len~0 main_~new_data~0) (= (* main_~len~0 2) (+ (select (select |#memory_int| .cse2) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse3)) 1)) (not (= .cse2 main_~s~0.base)) (<= (+ main_~new_data~0 2) .cse1) (<= main_~len~0 .cse0) (<= main_~i~0 1)))) [2020-07-21 11:24:21,250 INFO L271 CegarLoopResult]: At program point L611-4(lines 611 616) the Hoare annotation is: true [2020-07-21 11:24:21,250 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (and (<= main_~len~0 2) (= |#valid| |old(#valid)|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 11:24:21,251 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse8 (+ main_~s~0.offset 4))) (let ((.cse6 (* main_~len~0 2)) (.cse7 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse8))) (let ((.cse4 (<= main_~len~0 2)) (.cse5 (= .cse6 (+ (select (select |#memory_int| .cse7) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse8)) 1))) (.cse0 (not (= .cse7 main_~s~0.base))) (.cse1 (<= main_~i~0 1))) (or (and (= main_~len~0 (+ main_~i~0 1)) .cse0 .cse1 (<= 1 main_~i~0)) (let ((.cse3 (* 2 main_~len~0)) (.cse2 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and (<= (+ .cse2 2) .cse3) .cse4 (<= main_~len~0 main_~new_data~0) .cse5 .cse0 (<= (+ main_~new_data~0 2) .cse3) (<= main_~len~0 .cse2) .cse1)) (and (<= 0 main_~i~0) .cse4 .cse5 (<= 2 main_~len~0) .cse0 .cse1 (= .cse6 (+ main_~new_data~0 1))))))) [2020-07-21 11:24:21,251 INFO L268 CegarLoopResult]: For program point L605-1(line 605) no Hoare annotation was computed. [2020-07-21 11:24:21,251 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-07-21 11:24:21,251 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 602 621) no Hoare annotation was computed. [2020-07-21 11:24:21,251 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 602 621) no Hoare annotation was computed. [2020-07-21 11:24:21,251 INFO L264 CegarLoopResult]: At program point L614(lines 602 621) the Hoare annotation is: false [2020-07-21 11:24:21,251 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2020-07-21 11:24:21,251 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 602 621) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 11:24:21,252 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-07-21 11:24:21,252 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse10 (+ main_~s~0.offset 4))) (let ((.cse9 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse10))) (let ((.cse1 (* 2 main_~len~0)) (.cse5 (select (select |#memory_int| .cse9) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse10)))) (let ((.cse2 (<= main_~len~0 2)) (.cse3 (<= main_~len~0 main_~new_data~0)) (.cse4 (= (* main_~len~0 2) (+ .cse5 1))) (.cse6 (not (= .cse9 main_~s~0.base))) (.cse7 (<= (+ main_~new_data~0 2) .cse1)) (.cse0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (or (and (<= (+ .cse0 2) .cse1) .cse2 .cse3 .cse4 (= (+ (* (div (+ .cse5 (- 1)) 2) 2) 1) main_~expected~0) .cse6 .cse7 (<= main_~len~0 .cse0) (<= main_~i~0 1) (<= 1 main_~i~0)) (let ((.cse8 (div (+ (* main_~expected~0 2) (* .cse0 (- 1)) (- 2)) 2))) (and (<= main_~i~0 0) .cse2 (<= 0 main_~i~0) .cse3 .cse4 (<= 0 .cse8) .cse6 (<= main_~expected~0 (+ .cse0 (div (+ main_~expected~0 (- 2)) 2))) (<= main_~expected~0 (+ .cse8 2)) .cse7))))))) [2020-07-21 11:24:21,252 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-07-21 11:24:21,252 INFO L268 CegarLoopResult]: For program point L613-2(lines 613 615) no Hoare annotation was computed. [2020-07-21 11:24:21,252 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 11:24:21,252 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-07-21 11:24:21,252 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-07-21 11:24:21,252 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-07-21 11:24:21,253 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-07-21 11:24:21,253 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-07-21 11:24:21,264 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,277 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,278 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,296 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,297 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,297 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,297 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,298 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,298 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,298 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,298 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,298 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,299 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,299 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,299 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,305 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,305 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,305 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,305 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,305 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,306 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,306 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,306 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,306 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,306 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,307 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,307 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,307 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,307 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,307 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,307 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,308 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,308 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,308 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,308 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,308 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,309 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,309 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,313 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,313 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,313 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,313 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,315 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,315 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,315 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,315 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,315 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,316 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,316 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,316 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,316 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,316 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,316 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,322 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,323 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,323 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,323 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,324 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,324 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,324 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,325 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,325 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,325 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,325 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,325 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,326 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,326 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,326 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,326 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,326 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:24:21 BoogieIcfgContainer [2020-07-21 11:24:21,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 11:24:21,337 INFO L168 Benchmark]: Toolchain (without parser) took 31164.67 ms. Allocated memory was 137.9 MB in the beginning and 355.5 MB in the end (delta: 217.6 MB). Free memory was 99.5 MB in the beginning and 107.5 MB in the end (delta: -8.0 MB). Peak memory consumption was 209.6 MB. Max. memory is 7.1 GB. [2020-07-21 11:24:21,338 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 11:24:21,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.21 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 99.3 MB in the beginning and 169.3 MB in the end (delta: -69.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-07-21 11:24:21,339 INFO L168 Benchmark]: Boogie Preprocessor took 65.09 ms. Allocated memory is still 203.9 MB. Free memory was 169.3 MB in the beginning and 166.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-21 11:24:21,340 INFO L168 Benchmark]: RCFGBuilder took 658.26 ms. Allocated memory is still 203.9 MB. Free memory was 165.9 MB in the beginning and 118.8 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2020-07-21 11:24:21,340 INFO L168 Benchmark]: TraceAbstraction took 29763.48 ms. Allocated memory was 203.9 MB in the beginning and 355.5 MB in the end (delta: 151.5 MB). Free memory was 118.2 MB in the beginning and 107.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 162.1 MB. Max. memory is 7.1 GB. [2020-07-21 11:24:21,343 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 672.21 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 99.3 MB in the beginning and 169.3 MB in the end (delta: -69.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.09 ms. Allocated memory is still 203.9 MB. Free memory was 169.3 MB in the beginning and 166.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 658.26 ms. Allocated memory is still 203.9 MB. Free memory was 165.9 MB in the beginning and 118.8 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29763.48 ms. Allocated memory was 203.9 MB in the beginning and 355.5 MB in the end (delta: 151.5 MB). Free memory was 118.2 MB in the beginning and 107.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 162.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 619]: 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: 589]: Loop Invariant [2020-07-21 11:24:21,355 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,355 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,357 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,361 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,361 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,361 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,362 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,363 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 11:24:21,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 11:24:21,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((2 <= \old(index) || (((head == #memory_$Pointer$[head][head + 4] && 1 <= \old(index)) && index <= 0) && head == #memory_$Pointer$[head][head + 4])) || (forall v_main_~s~0.offset_BEFORE_CALL_3 : int, v_main_~s~0.base_BEFORE_CALL_3 : int :: !(0 == (unknown-#memory_int-unknown[#memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_3][v_main_~s~0.offset_BEFORE_CALL_3 + 4]][#memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_3][v_main_~s~0.offset_BEFORE_CALL_3 + 4]] + 1) % 2) || v_main_~s~0.base_BEFORE_CALL_3 == #memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_3][v_main_~s~0.offset_BEFORE_CALL_3 + 4])) || ((((head == head && (1 <= \old(index) || index <= 0)) && index < 2) && head == head) && \old(index) <= index)) || (forall v_main_~s~0.offset_BEFORE_CALL_5 : int, v_main_~s~0.base_BEFORE_CALL_5 : int :: !((unknown-#memory_int-unknown[v_main_~s~0.base_BEFORE_CALL_5][v_main_~s~0.offset_BEFORE_CALL_5] * -1 + -2) / -2 <= 2) || !((unknown-#memory_int-unknown[v_main_~s~0.base_BEFORE_CALL_5][v_main_~s~0.offset_BEFORE_CALL_5] * -1 + -2) / -2 <= unknown-#memory_int-unknown[v_main_~s~0.base_BEFORE_CALL_5][v_main_~s~0.offset_BEFORE_CALL_5])) - InvariantResult [Line: 611]: Loop Invariant [2020-07-21 11:24:21,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,368 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,369 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,369 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,369 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,369 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((unknown-#memory_int-unknown[s][s] + 2 <= 2 * len && len <= 2) && len <= new_data) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && !(#memory_$Pointer$[s][s + 4] == s)) && new_data + 2 <= 2 * len) && len <= unknown-#memory_int-unknown[s][s]) && i <= 1 - InvariantResult [Line: 596]: Loop Invariant [2020-07-21 11:24:21,372 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,380 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((2 <= \old(index) && index + 1 <= \old(index)) || (((((((index <= \old(index) && head == head) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(index) <= index) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || (((#memory_$Pointer$[head][head + 4] == head && data == \old(data)) && head == #memory_$Pointer$[head][head + 4]) && index + 1 <= \old(index))) && ((((1 <= \old(index) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || (((((((index <= \old(index) && head == head) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(index) <= index) && #memory_$Pointer$ == \old(#memory_$Pointer$))) - InvariantResult [Line: 607]: Loop Invariant [2020-07-21 11:24:21,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((len == i + 1 && !(#memory_$Pointer$[s][s + 4] == s)) && i <= 1) && 1 <= i) || (((((((unknown-#memory_int-unknown[s][s] + 2 <= 2 * len && len <= 2) && len <= new_data) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && !(#memory_$Pointer$[s][s + 4] == s)) && new_data + 2 <= 2 * len) && len <= unknown-#memory_int-unknown[s][s]) && i <= 1)) || ((((((0 <= i && len <= 2) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && 2 <= len) && !(#memory_$Pointer$[s][s + 4] == s)) && i <= 1) && len * 2 == new_data + 1) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant [2020-07-21 11:24:21,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,396 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,396 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,398 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,398 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,398 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,398 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 11:24:21,398 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 11:24:21,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 11:24:21,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 11:24:21,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((\valid == \old(\valid) && \old(len) <= len) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || (\old(len) <= len + 1 && 1 == \valid[head])) || (!(#memory_$Pointer$[head][head + 4] == head) && 1 == \valid[head]) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.3s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 16.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 549 SDtfs, 396 SDslu, 2066 SDs, 0 SdLazy, 2138 SolverSat, 233 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1148 GetRequests, 963 SyntacticMatches, 27 SemanticMatches, 158 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 794 ImplicationChecksByTransitivity, 18.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=8, 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, 13 MinimizatonAttempts, 62 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 74 PreInvPairs, 110 NumberOfFragments, 871 HoareAnnotationTreeSize, 74 FomulaSimplifications, 2530 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 24 FomulaSimplificationsInter, 966 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 680 NumberOfCodeBlocks, 680 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1075 ConstructedInterpolants, 19 QuantifiedInterpolants, 254219 SizeOfPredicates, 68 NumberOfNonLiveVariables, 3198 ConjunctsInSsa, 195 ConjunctsInUnsatCore, 20 InterpolantComputations, 8 PerfectInterpolantSequences, 352/400 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...