/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 13:20:45,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 13:20:45,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 13:20:45,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 13:20:45,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 13:20:45,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 13:20:45,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 13:20:45,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 13:20:45,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 13:20:45,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 13:20:45,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 13:20:45,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 13:20:45,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 13:20:45,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 13:20:45,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 13:20:45,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 13:20:45,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 13:20:45,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 13:20:45,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 13:20:45,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 13:20:45,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 13:20:45,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 13:20:45,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 13:20:45,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 13:20:45,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 13:20:45,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 13:20:45,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 13:20:45,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 13:20:45,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 13:20:45,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 13:20:45,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 13:20:45,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 13:20:45,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 13:20:45,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 13:20:45,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 13:20:45,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 13:20:45,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 13:20:45,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 13:20:45,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 13:20:45,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 13:20:45,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 13:20:45,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 13:20:45,649 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 13:20:45,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 13:20:45,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 13:20:45,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 13:20:45,654 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 13:20:45,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 13:20:45,654 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 13:20:45,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 13:20:45,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 13:20:45,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 13:20:45,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 13:20:45,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 13:20:45,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 13:20:45,656 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 13:20:45,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 13:20:45,659 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 13:20:45,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 13:20:45,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 13:20:45,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 13:20:45,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 13:20:45,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 13:20:45,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:20:45,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 13:20:45,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 13:20:45,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 13:20:45,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 13:20:45,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 13:20:45,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 13:20:45,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 13:20:45,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-08-21 13:20:45,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 13:20:45,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 13:20:45,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 13:20:45,984 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 13:20:45,984 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 13:20:45,986 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_remove_all.i [2020-08-21 13:20:46,059 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e44b13198/ca62ccf02af945d0a7cbc020c1deca83/FLAG43eddc9a5 [2020-08-21 13:20:46,607 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 13:20:46,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2n_remove_all.i [2020-08-21 13:20:46,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e44b13198/ca62ccf02af945d0a7cbc020c1deca83/FLAG43eddc9a5 [2020-08-21 13:20:46,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e44b13198/ca62ccf02af945d0a7cbc020c1deca83 [2020-08-21 13:20:46,894 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 13:20:46,896 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 13:20:46,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 13:20:46,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 13:20:46,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 13:20:46,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:20:46" (1/1) ... [2020-08-21 13:20:46,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc1a58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:20:46, skipping insertion in model container [2020-08-21 13:20:46,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:20:46" (1/1) ... [2020-08-21 13:20:46,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 13:20:46,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 13:20:47,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:20:47,377 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 13:20:47,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:20:47,521 INFO L208 MainTranslator]: Completed translation [2020-08-21 13:20:47,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:20:47 WrapperNode [2020-08-21 13:20:47,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 13:20:47,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 13:20:47,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 13:20:47,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 13:20:47,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:20:47" (1/1) ... [2020-08-21 13:20:47,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:20:47" (1/1) ... [2020-08-21 13:20:47,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:20:47" (1/1) ... [2020-08-21 13:20:47,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:20:47" (1/1) ... [2020-08-21 13:20:47,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:20:47" (1/1) ... [2020-08-21 13:20:47,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:20:47" (1/1) ... [2020-08-21 13:20:47,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:20:47" (1/1) ... [2020-08-21 13:20:47,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 13:20:47,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 13:20:47,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 13:20:47,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 13:20:47,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:20:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:20:47,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 13:20:47,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 13:20:47,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-08-21 13:20:47,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-08-21 13:20:47,645 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-08-21 13:20:47,645 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-08-21 13:20:47,645 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-08-21 13:20:47,646 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_remove_first [2020-08-21 13:20:47,646 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 13:20:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 13:20:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-08-21 13:20:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-08-21 13:20:47,646 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-08-21 13:20:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-08-21 13:20:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-08-21 13:20:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-08-21 13:20:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-08-21 13:20:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-08-21 13:20:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-08-21 13:20:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-08-21 13:20:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-08-21 13:20:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-08-21 13:20:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-08-21 13:20:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-08-21 13:20:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-08-21 13:20:47,648 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-08-21 13:20:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-08-21 13:20:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-08-21 13:20:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-08-21 13:20:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-08-21 13:20:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-08-21 13:20:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-08-21 13:20:47,649 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-08-21 13:20:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-08-21 13:20:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-08-21 13:20:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-08-21 13:20:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-08-21 13:20:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-08-21 13:20:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-08-21 13:20:47,650 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-08-21 13:20:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-08-21 13:20:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-08-21 13:20:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-08-21 13:20:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-08-21 13:20:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-08-21 13:20:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-08-21 13:20:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-08-21 13:20:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-08-21 13:20:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-08-21 13:20:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-08-21 13:20:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-08-21 13:20:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-08-21 13:20:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-08-21 13:20:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-08-21 13:20:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-08-21 13:20:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-08-21 13:20:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-08-21 13:20:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-08-21 13:20:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-08-21 13:20:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-08-21 13:20:47,653 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-08-21 13:20:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-08-21 13:20:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 13:20:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-21 13:20:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-08-21 13:20:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 13:20:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-08-21 13:20:47,654 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-08-21 13:20:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-08-21 13:20:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-08-21 13:20:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-08-21 13:20:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-21 13:20:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-08-21 13:20:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-08-21 13:20:47,655 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-08-21 13:20:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 13:20:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-08-21 13:20:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-08-21 13:20:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-08-21 13:20:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-08-21 13:20:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-08-21 13:20:47,656 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-08-21 13:20:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-08-21 13:20:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-08-21 13:20:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-08-21 13:20:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-08-21 13:20:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-08-21 13:20:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-08-21 13:20:47,657 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-08-21 13:20:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-08-21 13:20:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-08-21 13:20:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-08-21 13:20:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-08-21 13:20:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-08-21 13:20:47,658 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-08-21 13:20:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-08-21 13:20:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-08-21 13:20:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-08-21 13:20:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-08-21 13:20:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-08-21 13:20:47,659 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-08-21 13:20:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-08-21 13:20:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-08-21 13:20:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-08-21 13:20:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-08-21 13:20:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-08-21 13:20:47,660 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-08-21 13:20:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-08-21 13:20:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-08-21 13:20:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-08-21 13:20:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-08-21 13:20:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-08-21 13:20:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-08-21 13:20:47,661 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-08-21 13:20:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-08-21 13:20:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-08-21 13:20:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-08-21 13:20:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 13:20:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 13:20:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 13:20:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-08-21 13:20:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure sll_remove_first [2020-08-21 13:20:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 13:20:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 13:20:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 13:20:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 13:20:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-21 13:20:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 13:20:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 13:20:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 13:20:48,051 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-08-21 13:20:48,197 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 13:20:48,197 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-08-21 13:20:48,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:20:48 BoogieIcfgContainer [2020-08-21 13:20:48,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 13:20:48,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 13:20:48,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 13:20:48,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 13:20:48,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:20:46" (1/3) ... [2020-08-21 13:20:48,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167899c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:20:48, skipping insertion in model container [2020-08-21 13:20:48,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:20:47" (2/3) ... [2020-08-21 13:20:48,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167899c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:20:48, skipping insertion in model container [2020-08-21 13:20:48,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:20:48" (3/3) ... [2020-08-21 13:20:48,209 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_remove_all.i [2020-08-21 13:20:48,219 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 13:20:48,227 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 13:20:48,240 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 13:20:48,260 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 13:20:48,260 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 13:20:48,261 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 13:20:48,261 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 13:20:48,261 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 13:20:48,261 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 13:20:48,261 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 13:20:48,262 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 13:20:48,280 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-08-21 13:20:48,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-21 13:20:48,286 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:20:48,287 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:20:48,288 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:20:48,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:20:48,294 INFO L82 PathProgramCache]: Analyzing trace with hash -638260892, now seen corresponding path program 1 times [2020-08-21 13:20:48,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:20:48,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1138964208] [2020-08-21 13:20:48,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:20:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:48,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:20:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:48,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:20:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:48,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:20:48,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1138964208] [2020-08-21 13:20:48,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:20:48,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 13:20:48,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270910732] [2020-08-21 13:20:48,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 13:20:48,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:20:48,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 13:20:48,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 13:20:48,575 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 4 states. [2020-08-21 13:20:48,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:20:48,784 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2020-08-21 13:20:48,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 13:20:48,786 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-08-21 13:20:48,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:20:48,796 INFO L225 Difference]: With dead ends: 61 [2020-08-21 13:20:48,796 INFO L226 Difference]: Without dead ends: 36 [2020-08-21 13:20:48,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:20:48,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-08-21 13:20:48,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 31. [2020-08-21 13:20:48,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-08-21 13:20:48,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2020-08-21 13:20:48,841 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 17 [2020-08-21 13:20:48,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:20:48,841 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2020-08-21 13:20:48,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 13:20:48,842 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2020-08-21 13:20:48,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-21 13:20:48,843 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:20:48,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:20:48,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 13:20:48,844 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:20:48,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:20:48,844 INFO L82 PathProgramCache]: Analyzing trace with hash 936264387, now seen corresponding path program 1 times [2020-08-21 13:20:48,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:20:48,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [867696055] [2020-08-21 13:20:48,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:20:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:48,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:20:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:48,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:20:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:49,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:20:49,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [867696055] [2020-08-21 13:20:49,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:20:49,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 13:20:49,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671724908] [2020-08-21 13:20:49,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 13:20:49,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:20:49,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 13:20:49,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-21 13:20:49,007 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 7 states. [2020-08-21 13:20:49,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:20:49,178 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2020-08-21 13:20:49,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 13:20:49,179 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-08-21 13:20:49,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:20:49,180 INFO L225 Difference]: With dead ends: 49 [2020-08-21 13:20:49,180 INFO L226 Difference]: Without dead ends: 35 [2020-08-21 13:20:49,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-08-21 13:20:49,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-08-21 13:20:49,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2020-08-21 13:20:49,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-21 13:20:49,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2020-08-21 13:20:49,191 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 17 [2020-08-21 13:20:49,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:20:49,191 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2020-08-21 13:20:49,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 13:20:49,192 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-08-21 13:20:49,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-21 13:20:49,193 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:20:49,193 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:20:49,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 13:20:49,193 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:20:49,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:20:49,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1681244830, now seen corresponding path program 1 times [2020-08-21 13:20:49,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:20:49,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341975400] [2020-08-21 13:20:49,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:20:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:49,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:20:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:49,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:20:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:49,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:20:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:49,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:20:49,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341975400] [2020-08-21 13:20:49,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:20:49,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 13:20:49,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408310061] [2020-08-21 13:20:49,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:20:49,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:20:49,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:20:49,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:20:49,393 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 8 states. [2020-08-21 13:20:49,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:20:49,558 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2020-08-21 13:20:49,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 13:20:49,559 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2020-08-21 13:20:49,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:20:49,561 INFO L225 Difference]: With dead ends: 53 [2020-08-21 13:20:49,561 INFO L226 Difference]: Without dead ends: 39 [2020-08-21 13:20:49,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-08-21 13:20:49,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-08-21 13:20:49,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2020-08-21 13:20:49,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-08-21 13:20:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2020-08-21 13:20:49,581 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 26 [2020-08-21 13:20:49,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:20:49,581 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2020-08-21 13:20:49,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:20:49,583 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2020-08-21 13:20:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-08-21 13:20:49,585 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:20:49,586 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:20:49,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 13:20:49,586 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:20:49,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:20:49,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1516181213, now seen corresponding path program 2 times [2020-08-21 13:20:49,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:20:49,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134015189] [2020-08-21 13:20:49,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:20:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:49,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:20:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:49,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:20:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:49,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:20:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:49,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-21 13:20:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:49,758 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-21 13:20:49,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134015189] [2020-08-21 13:20:49,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:20:49,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 13:20:49,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671943206] [2020-08-21 13:20:49,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 13:20:49,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:20:49,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 13:20:49,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-21 13:20:49,761 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 6 states. [2020-08-21 13:20:49,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:20:49,912 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2020-08-21 13:20:49,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 13:20:49,913 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-08-21 13:20:49,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:20:49,915 INFO L225 Difference]: With dead ends: 43 [2020-08-21 13:20:49,915 INFO L226 Difference]: Without dead ends: 39 [2020-08-21 13:20:49,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:20:49,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-08-21 13:20:49,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-08-21 13:20:49,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-08-21 13:20:49,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2020-08-21 13:20:49,937 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 35 [2020-08-21 13:20:49,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:20:49,937 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2020-08-21 13:20:49,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 13:20:49,938 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2020-08-21 13:20:49,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-21 13:20:49,940 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:20:49,940 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:20:49,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 13:20:49,942 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:20:49,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:20:49,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1579581254, now seen corresponding path program 1 times [2020-08-21 13:20:49,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:20:49,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2010409174] [2020-08-21 13:20:49,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:20:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:50,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:20:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:50,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:20:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:50,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:20:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:50,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-21 13:20:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:50,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 13:20:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:50,143 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-21 13:20:50,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2010409174] [2020-08-21 13:20:50,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:20:50,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 13:20:50,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967280682] [2020-08-21 13:20:50,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:20:50,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:20:50,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:20:50,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:20:50,146 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 8 states. [2020-08-21 13:20:50,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:20:50,279 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2020-08-21 13:20:50,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 13:20:50,279 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-21 13:20:50,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:20:50,281 INFO L225 Difference]: With dead ends: 44 [2020-08-21 13:20:50,281 INFO L226 Difference]: Without dead ends: 40 [2020-08-21 13:20:50,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-08-21 13:20:50,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-08-21 13:20:50,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-08-21 13:20:50,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-08-21 13:20:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2020-08-21 13:20:50,290 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 41 [2020-08-21 13:20:50,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:20:50,290 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2020-08-21 13:20:50,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:20:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2020-08-21 13:20:50,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 13:20:50,292 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:20:50,292 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:20:50,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 13:20:50,293 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:20:50,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:20:50,293 INFO L82 PathProgramCache]: Analyzing trace with hash 18722601, now seen corresponding path program 2 times [2020-08-21 13:20:50,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:20:50,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [79103437] [2020-08-21 13:20:50,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:20:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:50,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:20:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:50,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:20:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:50,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:20:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:50,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-21 13:20:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:51,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 13:20:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:51,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 13:20:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:51,342 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-08-21 13:20:51,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [79103437] [2020-08-21 13:20:51,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:20:51,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-08-21 13:20:51,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127320758] [2020-08-21 13:20:51,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-08-21 13:20:51,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:20:51,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-08-21 13:20:51,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=461, Unknown=0, NotChecked=0, Total=506 [2020-08-21 13:20:51,345 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 23 states. [2020-08-21 13:20:52,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:20:52,253 INFO L93 Difference]: Finished difference Result 61 states and 70 transitions. [2020-08-21 13:20:52,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-21 13:20:52,253 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 47 [2020-08-21 13:20:52,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:20:52,257 INFO L225 Difference]: With dead ends: 61 [2020-08-21 13:20:52,257 INFO L226 Difference]: Without dead ends: 57 [2020-08-21 13:20:52,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=74, Invalid=738, Unknown=0, NotChecked=0, Total=812 [2020-08-21 13:20:52,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-21 13:20:52,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 51. [2020-08-21 13:20:52,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-08-21 13:20:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2020-08-21 13:20:52,268 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 47 [2020-08-21 13:20:52,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:20:52,269 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2020-08-21 13:20:52,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-08-21 13:20:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2020-08-21 13:20:52,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-08-21 13:20:52,271 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:20:52,271 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:20:52,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 13:20:52,271 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:20:52,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:20:52,272 INFO L82 PathProgramCache]: Analyzing trace with hash 2078025932, now seen corresponding path program 3 times [2020-08-21 13:20:52,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:20:52,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1947683501] [2020-08-21 13:20:52,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:20:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:52,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:20:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:52,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:20:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:52,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:20:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:52,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-21 13:20:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:52,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 13:20:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:52,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 13:20:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:52,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 13:20:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:52,404 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-08-21 13:20:52,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1947683501] [2020-08-21 13:20:52,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:20:52,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 13:20:52,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729025223] [2020-08-21 13:20:52,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 13:20:52,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:20:52,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 13:20:52,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:20:52,406 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand 9 states. [2020-08-21 13:20:52,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:20:52,562 INFO L93 Difference]: Finished difference Result 65 states and 72 transitions. [2020-08-21 13:20:52,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 13:20:52,563 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-08-21 13:20:52,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:20:52,564 INFO L225 Difference]: With dead ends: 65 [2020-08-21 13:20:52,564 INFO L226 Difference]: Without dead ends: 44 [2020-08-21 13:20:52,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-08-21 13:20:52,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-08-21 13:20:52,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-08-21 13:20:52,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-08-21 13:20:52,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2020-08-21 13:20:52,581 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 53 [2020-08-21 13:20:52,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:20:52,581 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2020-08-21 13:20:52,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 13:20:52,582 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2020-08-21 13:20:52,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-21 13:20:52,584 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:20:52,584 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:20:52,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 13:20:52,585 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:20:52,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:20:52,585 INFO L82 PathProgramCache]: Analyzing trace with hash 499137988, now seen corresponding path program 4 times [2020-08-21 13:20:52,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:20:52,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470916164] [2020-08-21 13:20:52,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:20:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:52,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:20:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:52,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:20:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:52,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:20:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:52,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-21 13:20:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:52,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-21 13:20:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:52,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 13:20:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:52,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 13:20:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:20:52,797 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-08-21 13:20:52,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470916164] [2020-08-21 13:20:52,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:20:52,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 13:20:52,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147653045] [2020-08-21 13:20:52,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 13:20:52,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:20:52,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 13:20:52,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-21 13:20:52,802 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 10 states. [2020-08-21 13:20:52,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:20:52,978 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2020-08-21 13:20:52,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 13:20:52,979 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-08-21 13:20:52,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:20:52,982 INFO L225 Difference]: With dead ends: 44 [2020-08-21 13:20:52,982 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 13:20:52,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-08-21 13:20:52,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 13:20:52,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 13:20:52,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 13:20:52,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 13:20:52,985 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-08-21 13:20:52,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:20:52,985 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 13:20:52,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 13:20:52,986 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 13:20:52,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 13:20:52,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 13:20:52,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 13:20:53,231 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-08-21 13:20:53,343 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-08-21 13:20:53,564 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:20:53,565 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-08-21 13:20:53,565 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:20:53,565 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-08-21 13:20:53,565 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-08-21 13:20:53,565 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-08-21 13:20:53,565 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-08-21 13:20:53,565 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-08-21 13:20:53,565 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-08-21 13:20:53,566 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (let ((.cse0 (= sll_create_~head~0.offset 0))) (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= sll_create_~head~0.base 0) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) .cse0 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (and (<= (+ sll_create_~len 2) |sll_create_#in~len|) (<= 3 |sll_create_#in~len|)) (and (= (select |old(#valid)| sll_create_~head~0.base) 0) (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 0) (<= (+ sll_create_~len 1) |sll_create_#in~len|) (= (select |#valid| sll_create_~head~0.base) 1) .cse0 (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0)))) [2020-08-21 13:20:53,566 INFO L268 CegarLoopResult]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2020-08-21 13:20:53,566 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-08-21 13:20:53,566 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2020-08-21 13:20:53,567 INFO L264 CegarLoopResult]: At program point L574-3(lines 574 578) the Hoare annotation is: (let ((.cse2 (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4)) (.cse1 (<= (+ sll_create_~len 2) |sll_create_#in~len|)) (.cse0 (= sll_create_~head~0.offset 0)) (.cse4 (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0))) (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= sll_create_~head~0.base 0) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) .cse0 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (and .cse1 (<= 3 |sll_create_#in~len|)) (let ((.cse3 (+ sll_create_~len 1))) (and (= (select |old(#valid)| sll_create_~head~0.base) 0) (= .cse2 0) (<= .cse3 |sll_create_#in~len|) (= (select |#valid| sll_create_~head~0.base) 1) .cse0 .cse4 (<= |sll_create_#in~len| .cse3))) (and (= (select (select |#memory_$Pointer$.offset| .cse2) 4) 0) (= (select |old(#valid)| .cse2) 0) (= (select (select |#memory_$Pointer$.base| .cse2) 4) 0) .cse1 .cse0 .cse4))) [2020-08-21 13:20:53,567 INFO L268 CegarLoopResult]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2020-08-21 13:20:53,567 INFO L264 CegarLoopResult]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-21 13:20:53,567 INFO L268 CegarLoopResult]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2020-08-21 13:20:53,567 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-08-21 13:20:53,567 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-08-21 13:20:53,567 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-08-21 13:20:53,568 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:20:53,568 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-21 13:20:53,568 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 13:20:53,568 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:20:53,568 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 598) no Hoare annotation was computed. [2020-08-21 13:20:53,568 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 586 600) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-21 13:20:53,569 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 586 600) no Hoare annotation was computed. [2020-08-21 13:20:53,569 INFO L264 CegarLoopResult]: At program point L595(lines 586 600) the Hoare annotation is: false [2020-08-21 13:20:53,569 INFO L268 CegarLoopResult]: For program point L594(lines 594 596) no Hoare annotation was computed. [2020-08-21 13:20:53,569 INFO L264 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse2 (<= 2 main_~len~0)) (.cse1 (<= main_~len~0 2)) (.cse3 (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (.cse0 (select (select |#memory_$Pointer$.base| .cse5) 4)) (.cse4 (= (select (select |#memory_$Pointer$.offset| .cse5) 4) 0))) (or (and (= (select (select |#memory_$Pointer$.offset| .cse0) 4) 0) .cse1 .cse2 (not (= |main_~#s~0.base| .cse0)) (<= 1 main_~i~0) (= (select (select |#memory_$Pointer$.base| .cse0) 4) 0) .cse3 (<= main_~i~0 1) .cse4) (and (<= main_~i~0 0) .cse2 .cse1 (<= 0 main_~i~0) .cse3 (= .cse0 0) .cse4)))) [2020-08-21 13:20:53,569 INFO L268 CegarLoopResult]: For program point L592-1(lines 591 593) no Hoare annotation was computed. [2020-08-21 13:20:53,569 INFO L264 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (and (<= main_~len~0 2) (<= 2 main_~len~0) (= (select |#valid| |main_~#s~0.base|) 1)) [2020-08-21 13:20:53,569 INFO L264 CegarLoopResult]: At program point L591-2(lines 591 593) the Hoare annotation is: (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse2 (<= 2 main_~len~0)) (.cse1 (<= main_~len~0 2)) (.cse3 (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (.cse0 (select (select |#memory_$Pointer$.base| .cse5) 4)) (.cse4 (= (select (select |#memory_$Pointer$.offset| .cse5) 4) 0))) (or (and (= (select (select |#memory_$Pointer$.offset| .cse0) 4) 0) .cse1 .cse2 (not (= |main_~#s~0.base| .cse0)) (<= 1 main_~i~0) (= (select (select |#memory_$Pointer$.base| .cse0) 4) 0) .cse3 (<= main_~i~0 1) .cse4) (and (= .cse5 0) .cse2 .cse1 (<= (+ main_~i~0 1) 0) .cse3) (and (<= main_~i~0 0) .cse2 .cse1 (<= 0 main_~i~0) .cse3 (= .cse0 0) .cse4)))) [2020-08-21 13:20:53,569 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 586 600) no Hoare annotation was computed. [2020-08-21 13:20:53,570 INFO L268 CegarLoopResult]: For program point L589-1(line 589) no Hoare annotation was computed. [2020-08-21 13:20:53,570 INFO L268 CegarLoopResult]: For program point L591-3(lines 591 593) no Hoare annotation was computed. [2020-08-21 13:20:53,570 INFO L268 CegarLoopResult]: For program point sll_remove_firstEXIT(lines 581 585) no Hoare annotation was computed. [2020-08-21 13:20:53,570 INFO L264 CegarLoopResult]: At program point sll_remove_firstENTRY(lines 581 585) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-21 13:20:53,570 INFO L268 CegarLoopResult]: For program point sll_remove_firstFINAL(lines 581 585) no Hoare annotation was computed. [2020-08-21 13:20:53,570 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-21 13:20:53,570 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-08-21 13:20:53,570 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-08-21 13:20:53,571 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-08-21 13:20:53,571 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-08-21 13:20:53,571 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-08-21 13:20:53,579 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,594 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,594 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,594 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,594 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 13:20:53,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 13:20:53,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 13:20:53,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 13:20:53,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,612 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 13:20:53,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 13:20:53,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 13:20:53,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 13:20:53,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:20:53 BoogieIcfgContainer [2020-08-21 13:20:53,621 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 13:20:53,624 INFO L168 Benchmark]: Toolchain (without parser) took 6727.51 ms. Allocated memory was 138.9 MB in the beginning and 294.1 MB in the end (delta: 155.2 MB). Free memory was 100.8 MB in the beginning and 174.0 MB in the end (delta: -73.2 MB). Peak memory consumption was 167.6 MB. Max. memory is 7.1 GB. [2020-08-21 13:20:53,625 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 13:20:53,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.92 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.4 MB in the beginning and 169.0 MB in the end (delta: -68.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-08-21 13:20:53,626 INFO L168 Benchmark]: Boogie Preprocessor took 61.47 ms. Allocated memory is still 202.4 MB. Free memory was 169.0 MB in the beginning and 165.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2020-08-21 13:20:53,627 INFO L168 Benchmark]: RCFGBuilder took 616.67 ms. Allocated memory is still 202.4 MB. Free memory was 165.4 MB in the beginning and 121.3 MB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 7.1 GB. [2020-08-21 13:20:53,628 INFO L168 Benchmark]: TraceAbstraction took 5419.36 ms. Allocated memory was 202.4 MB in the beginning and 294.1 MB in the end (delta: 91.8 MB). Free memory was 121.3 MB in the beginning and 174.0 MB in the end (delta: -52.7 MB). Peak memory consumption was 124.6 MB. Max. memory is 7.1 GB. [2020-08-21 13:20:53,632 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 624.92 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.4 MB in the beginning and 169.0 MB in the end (delta: -68.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.47 ms. Allocated memory is still 202.4 MB. Free memory was 169.0 MB in the beginning and 165.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 616.67 ms. Allocated memory is still 202.4 MB. Free memory was 165.4 MB in the beginning and 121.3 MB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5419.36 ms. Allocated memory was 202.4 MB in the beginning and 294.1 MB in the end (delta: 91.8 MB). Free memory was 121.3 MB in the beginning and 174.0 MB in the end (delta: -52.7 MB). Peak memory consumption was 124.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 598]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 591]: Loop Invariant [2020-08-21 13:20:53,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,650 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,650 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,650 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,650 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,650 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,651 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,651 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,657 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,657 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,657 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,657 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,657 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,658 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,658 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,658 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,658 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,659 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,662 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,662 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,662 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((#memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][4]][4] == 0 && len <= 2) && 2 <= len) && !(s == #memory_$Pointer$[#memory_$Pointer$[s][s]][4])) && 1 <= i) && #memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][4]][4] == 0) && #memory_$Pointer$[s][s] == 0) && i <= 1) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) || ((((#memory_$Pointer$[s][s] == 0 && 2 <= len) && len <= 2) && i + 1 <= 0) && #memory_$Pointer$[s][s] == 0)) || ((((((i <= 0 && 2 <= len) && len <= 2) && 0 <= i) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant [2020-08-21 13:20:53,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,664 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,664 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,664 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,664 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 13:20:53,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 13:20:53,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 13:20:53,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 13:20:53,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,672 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,672 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,672 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,672 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 13:20:53,672 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 13:20:53,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 13:20:53,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 13:20:53,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 13:20:53,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 13:20:53,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 13:20:53,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && head == 0) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && \old(len) == len) && head == 0) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid) || (len + 2 <= \old(len) && 3 <= \old(len))) || ((((((\old(\valid)[head] == 0 && #memory_$Pointer$[head][4] == 0) && len + 1 <= \old(len)) && \valid[head] == 1) && head == 0) && #memory_$Pointer$[head][4] == 0) && \old(len) <= len + 1)) || (((((#memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0 && \old(\valid)[#memory_$Pointer$[head][4]] == 0) && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && len + 2 <= \old(len)) && head == 0) && #memory_$Pointer$[head][4] == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.7s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 219 SDtfs, 126 SDslu, 866 SDs, 0 SdLazy, 1103 SolverSat, 127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 19 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 27 PreInvPairs, 37 NumberOfFragments, 535 HoareAnnotationTreeSize, 27 FomulaSimplifications, 33 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 86376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 80/113 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...