/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=LOWLEXORDER -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 18:43:19,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 18:43:19,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 18:43:19,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 18:43:19,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 18:43:19,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 18:43:19,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 18:43:19,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 18:43:19,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 18:43:19,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 18:43:19,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 18:43:19,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 18:43:19,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 18:43:19,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 18:43:19,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 18:43:19,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 18:43:19,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 18:43:19,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 18:43:19,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 18:43:19,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 18:43:19,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 18:43:19,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 18:43:19,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 18:43:19,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 18:43:19,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 18:43:19,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 18:43:19,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 18:43:19,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 18:43:19,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 18:43:19,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 18:43:19,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 18:43:19,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 18:43:19,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 18:43:19,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 18:43:19,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 18:43:19,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 18:43:19,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 18:43:19,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 18:43:19,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 18:43:19,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 18:43:19,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 18:43:19,561 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 [2020-08-18 18:43:19,602 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 18:43:19,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 18:43:19,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 18:43:19,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 18:43:19,605 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 18:43:19,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 18:43:19,606 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 18:43:19,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 18:43:19,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 18:43:19,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 18:43:19,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 18:43:19,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 18:43:19,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 18:43:19,608 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 18:43:19,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 18:43:19,608 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 18:43:19,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 18:43:19,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 18:43:19,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 18:43:19,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 18:43:19,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 18:43:19,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 18:43:19,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 18:43:19,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 18:43:19,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 18:43:19,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 18:43:19,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 18:43:19,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 18:43:19,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 18:43:19,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=LOWLEXORDER; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=LOWLEXORDER; [2020-08-18 18:43:19,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 18:43:19,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 18:43:19,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 18:43:19,928 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 18:43:19,928 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 18:43:19,929 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-08-18 18:43:19,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfbef3406/a537e454aa1246ba81bf3bbf3fbd0e82/FLAG56a0c466d [2020-08-18 18:43:20,492 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 18:43:20,493 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-08-18 18:43:20,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfbef3406/a537e454aa1246ba81bf3bbf3fbd0e82/FLAG56a0c466d [2020-08-18 18:43:20,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfbef3406/a537e454aa1246ba81bf3bbf3fbd0e82 [2020-08-18 18:43:20,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 18:43:20,755 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 18:43:20,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 18:43:20,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 18:43:20,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 18:43:20,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:43:20" (1/1) ... [2020-08-18 18:43:20,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1fccc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:43:20, skipping insertion in model container [2020-08-18 18:43:20,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:43:20" (1/1) ... [2020-08-18 18:43:20,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 18:43:20,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 18:43:21,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 18:43:21,298 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 18:43:21,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 18:43:21,412 INFO L208 MainTranslator]: Completed translation [2020-08-18 18:43:21,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:43:21 WrapperNode [2020-08-18 18:43:21,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 18:43:21,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 18:43:21,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 18:43:21,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 18:43:21,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:43:21" (1/1) ... [2020-08-18 18:43:21,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:43:21" (1/1) ... [2020-08-18 18:43:21,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:43:21" (1/1) ... [2020-08-18 18:43:21,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:43:21" (1/1) ... [2020-08-18 18:43:21,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:43:21" (1/1) ... [2020-08-18 18:43:21,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:43:21" (1/1) ... [2020-08-18 18:43:21,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:43:21" (1/1) ... [2020-08-18 18:43:21,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 18:43:21,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 18:43:21,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 18:43:21,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 18:43:21,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:43:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 18:43:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 18:43:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 18:43:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-08-18 18:43:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-08-18 18:43:21,589 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-08-18 18:43:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-08-18 18:43:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-08-18 18:43:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-08-18 18:43:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-08-18 18:43:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-08-18 18:43:21,590 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 18:43:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 18:43:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-08-18 18:43:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-08-18 18:43:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-08-18 18:43:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-08-18 18:43:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-08-18 18:43:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-08-18 18:43:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-08-18 18:43:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-08-18 18:43:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-08-18 18:43:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-08-18 18:43:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-08-18 18:43:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-08-18 18:43:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-08-18 18:43:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-08-18 18:43:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-08-18 18:43:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-08-18 18:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-08-18 18:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-08-18 18:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-08-18 18:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-08-18 18:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-08-18 18:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-08-18 18:43:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-08-18 18:43:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-08-18 18:43:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-08-18 18:43:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-08-18 18:43:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-08-18 18:43:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-08-18 18:43:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-08-18 18:43:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-08-18 18:43:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-08-18 18:43:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-08-18 18:43:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-08-18 18:43:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-08-18 18:43:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-08-18 18:43:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-08-18 18:43:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-08-18 18:43:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-08-18 18:43:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-08-18 18:43:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-08-18 18:43:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-08-18 18:43:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-08-18 18:43:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-08-18 18:43:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-08-18 18:43:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-08-18 18:43:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-08-18 18:43:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-08-18 18:43:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-08-18 18:43:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-08-18 18:43:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-08-18 18:43:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-08-18 18:43:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-08-18 18:43:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 18:43:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-18 18:43:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-08-18 18:43:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 18:43:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-08-18 18:43:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-08-18 18:43:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-08-18 18:43:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-08-18 18:43:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-08-18 18:43:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-18 18:43:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-08-18 18:43:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-08-18 18:43:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-08-18 18:43:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 18:43:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-08-18 18:43:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-08-18 18:43:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-08-18 18:43:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-08-18 18:43:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-08-18 18:43:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-08-18 18:43:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-08-18 18:43:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-08-18 18:43:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-08-18 18:43:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-08-18 18:43:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-08-18 18:43:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-08-18 18:43:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-08-18 18:43:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-08-18 18:43:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-08-18 18:43:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-08-18 18:43:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-08-18 18:43:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-08-18 18:43:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-08-18 18:43:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-08-18 18:43:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-08-18 18:43:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-08-18 18:43:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-08-18 18:43:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-08-18 18:43:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-08-18 18:43:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-08-18 18:43:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-08-18 18:43:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-08-18 18:43:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-08-18 18:43:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-08-18 18:43:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-08-18 18:43:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-08-18 18:43:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-08-18 18:43:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-08-18 18:43:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-08-18 18:43:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-08-18 18:43:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-08-18 18:43:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-08-18 18:43:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-08-18 18:43:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-08-18 18:43:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-08-18 18:43:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 18:43:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 18:43:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 18:43:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-08-18 18:43:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-08-18 18:43:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 18:43:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 18:43:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-08-18 18:43:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 18:43:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-08-18 18:43:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 18:43:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 18:43:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 18:43:22,018 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-08-18 18:43:22,222 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 18:43:22,222 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-08-18 18:43:22,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:43:22 BoogieIcfgContainer [2020-08-18 18:43:22,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 18:43:22,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 18:43:22,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 18:43:22,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 18:43:22,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 06:43:20" (1/3) ... [2020-08-18 18:43:22,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f5aab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 06:43:22, skipping insertion in model container [2020-08-18 18:43:22,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:43:21" (2/3) ... [2020-08-18 18:43:22,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f5aab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 06:43:22, skipping insertion in model container [2020-08-18 18:43:22,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:43:22" (3/3) ... [2020-08-18 18:43:22,235 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-08-18 18:43:22,245 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 18:43:22,252 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 18:43:22,263 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 18:43:22,283 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 18:43:22,283 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 18:43:22,283 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 18:43:22,284 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 18:43:22,284 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 18:43:22,284 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 18:43:22,284 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 18:43:22,284 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 18:43:22,304 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-08-18 18:43:22,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-08-18 18:43:22,312 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:43:22,313 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:43:22,314 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:43:22,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:43:22,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1559034541, now seen corresponding path program 1 times [2020-08-18 18:43:22,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:43:22,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977055064] [2020-08-18 18:43:22,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:43:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:22,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:43:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:22,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:43:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:22,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 18:43:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 18:43:22,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977055064] [2020-08-18 18:43:22,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:43:22,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 18:43:22,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515043716] [2020-08-18 18:43:22,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 18:43:22,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:43:22,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 18:43:22,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 18:43:22,605 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 4 states. [2020-08-18 18:43:22,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:43:22,935 INFO L93 Difference]: Finished difference Result 128 states and 183 transitions. [2020-08-18 18:43:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 18:43:22,937 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-08-18 18:43:22,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:43:22,950 INFO L225 Difference]: With dead ends: 128 [2020-08-18 18:43:22,950 INFO L226 Difference]: Without dead ends: 69 [2020-08-18 18:43:22,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 18:43:22,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-08-18 18:43:23,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 42. [2020-08-18 18:43:23,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-08-18 18:43:23,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-08-18 18:43:23,012 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 25 [2020-08-18 18:43:23,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:43:23,013 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-08-18 18:43:23,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 18:43:23,013 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-08-18 18:43:23,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-08-18 18:43:23,015 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:43:23,015 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:43:23,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 18:43:23,015 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:43:23,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:43:23,016 INFO L82 PathProgramCache]: Analyzing trace with hash -404189262, now seen corresponding path program 1 times [2020-08-18 18:43:23,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:43:23,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [483723635] [2020-08-18 18:43:23,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:43:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:23,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:43:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:23,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:43:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:23,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 18:43:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:23,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 18:43:23,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [483723635] [2020-08-18 18:43:23,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:43:23,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 18:43:23,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893733801] [2020-08-18 18:43:23,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 18:43:23,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:43:23,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 18:43:23,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-18 18:43:23,195 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 7 states. [2020-08-18 18:43:23,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:43:23,444 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2020-08-18 18:43:23,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 18:43:23,444 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-08-18 18:43:23,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:43:23,446 INFO L225 Difference]: With dead ends: 71 [2020-08-18 18:43:23,446 INFO L226 Difference]: Without dead ends: 46 [2020-08-18 18:43:23,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-18 18:43:23,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-08-18 18:43:23,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2020-08-18 18:43:23,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-08-18 18:43:23,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2020-08-18 18:43:23,458 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 25 [2020-08-18 18:43:23,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:43:23,458 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2020-08-18 18:43:23,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 18:43:23,458 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-08-18 18:43:23,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-08-18 18:43:23,460 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:43:23,460 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:43:23,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 18:43:23,460 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:43:23,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:43:23,461 INFO L82 PathProgramCache]: Analyzing trace with hash 965527869, now seen corresponding path program 1 times [2020-08-18 18:43:23,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:43:23,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [870860775] [2020-08-18 18:43:23,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:43:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:23,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:43:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:23,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:43:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:23,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 18:43:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:23,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-18 18:43:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 18:43:23,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [870860775] [2020-08-18 18:43:23,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 18:43:23,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 18:43:23,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118890312] [2020-08-18 18:43:23,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 18:43:23,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:43:23,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 18:43:23,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 18:43:23,683 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 8 states. [2020-08-18 18:43:23,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:43:23,972 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2020-08-18 18:43:23,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 18:43:23,973 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2020-08-18 18:43:23,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:43:23,974 INFO L225 Difference]: With dead ends: 75 [2020-08-18 18:43:23,974 INFO L226 Difference]: Without dead ends: 50 [2020-08-18 18:43:23,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-08-18 18:43:23,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-18 18:43:23,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2020-08-18 18:43:23,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-08-18 18:43:23,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2020-08-18 18:43:23,993 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 34 [2020-08-18 18:43:23,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:43:23,993 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2020-08-18 18:43:23,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 18:43:23,993 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2020-08-18 18:43:23,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-08-18 18:43:23,998 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:43:23,998 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:43:23,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 18:43:23,999 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:43:23,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:43:24,000 INFO L82 PathProgramCache]: Analyzing trace with hash 2121866258, now seen corresponding path program 2 times [2020-08-18 18:43:24,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:43:24,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1668482260] [2020-08-18 18:43:24,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:43:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:24,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:43:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:24,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:43:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:24,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 18:43:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:24,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-18 18:43:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:24,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 18:43:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:24,215 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-18 18:43:24,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1668482260] [2020-08-18 18:43:24,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:43:24,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 18:43:24,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974916128] [2020-08-18 18:43:24,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 18:43:24,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:43:24,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 18:43:24,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-18 18:43:24,223 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand 6 states. [2020-08-18 18:43:24,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:43:24,420 INFO L93 Difference]: Finished difference Result 70 states and 79 transitions. [2020-08-18 18:43:24,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 18:43:24,421 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-08-18 18:43:24,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:43:24,422 INFO L225 Difference]: With dead ends: 70 [2020-08-18 18:43:24,422 INFO L226 Difference]: Without dead ends: 57 [2020-08-18 18:43:24,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-08-18 18:43:24,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-18 18:43:24,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 48. [2020-08-18 18:43:24,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-18 18:43:24,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2020-08-18 18:43:24,432 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 43 [2020-08-18 18:43:24,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:43:24,432 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2020-08-18 18:43:24,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 18:43:24,433 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2020-08-18 18:43:24,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 18:43:24,434 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:43:24,434 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:43:24,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 18:43:24,435 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:43:24,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:43:24,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1073302620, now seen corresponding path program 1 times [2020-08-18 18:43:24,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:43:24,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165709116] [2020-08-18 18:43:24,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:43:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:24,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:43:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:24,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:43:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:24,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 18:43:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:24,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-18 18:43:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:24,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 18:43:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:24,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 18:43:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:24,610 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-18 18:43:24,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165709116] [2020-08-18 18:43:24,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:43:24,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 18:43:24,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816191125] [2020-08-18 18:43:24,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 18:43:24,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:43:24,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 18:43:24,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-08-18 18:43:24,613 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand 9 states. [2020-08-18 18:43:24,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:43:24,942 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2020-08-18 18:43:24,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 18:43:24,943 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-08-18 18:43:24,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:43:24,944 INFO L225 Difference]: With dead ends: 82 [2020-08-18 18:43:24,944 INFO L226 Difference]: Without dead ends: 61 [2020-08-18 18:43:24,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-08-18 18:43:24,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-08-18 18:43:24,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 53. [2020-08-18 18:43:24,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-08-18 18:43:24,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2020-08-18 18:43:24,955 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 51 [2020-08-18 18:43:24,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:43:24,956 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2020-08-18 18:43:24,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 18:43:24,956 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2020-08-18 18:43:24,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 18:43:24,957 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:43:24,957 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:43:24,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 18:43:24,958 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:43:24,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:43:24,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1916727535, now seen corresponding path program 1 times [2020-08-18 18:43:24,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:43:24,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1816234915] [2020-08-18 18:43:24,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:43:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:25,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:43:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:25,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:43:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:25,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 18:43:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:25,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-18 18:43:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:25,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 18:43:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:25,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 18:43:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:25,086 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-08-18 18:43:25,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1816234915] [2020-08-18 18:43:25,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 18:43:25,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 18:43:25,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809537583] [2020-08-18 18:43:25,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 18:43:25,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:43:25,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 18:43:25,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-08-18 18:43:25,088 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 8 states. [2020-08-18 18:43:25,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:43:25,304 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2020-08-18 18:43:25,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 18:43:25,305 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 18:43:25,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:43:25,306 INFO L225 Difference]: With dead ends: 76 [2020-08-18 18:43:25,307 INFO L226 Difference]: Without dead ends: 63 [2020-08-18 18:43:25,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-08-18 18:43:25,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-08-18 18:43:25,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 55. [2020-08-18 18:43:25,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-08-18 18:43:25,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2020-08-18 18:43:25,317 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 52 [2020-08-18 18:43:25,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:43:25,317 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2020-08-18 18:43:25,317 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 18:43:25,317 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2020-08-18 18:43:25,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-18 18:43:25,318 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:43:25,319 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:43:25,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 18:43:25,319 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:43:25,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:43:25,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1237251129, now seen corresponding path program 2 times [2020-08-18 18:43:25,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:43:25,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [831997753] [2020-08-18 18:43:25,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:43:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:25,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:43:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:25,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:43:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:25,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 18:43:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:25,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-18 18:43:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:25,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 18:43:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:25,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 18:43:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:25,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 18:43:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:25,489 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-08-18 18:43:25,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [831997753] [2020-08-18 18:43:25,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:43:25,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 18:43:25,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992658969] [2020-08-18 18:43:25,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 18:43:25,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:43:25,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 18:43:25,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-08-18 18:43:25,492 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand 9 states. [2020-08-18 18:43:25,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:43:25,745 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2020-08-18 18:43:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 18:43:25,746 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2020-08-18 18:43:25,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:43:25,747 INFO L225 Difference]: With dead ends: 78 [2020-08-18 18:43:25,747 INFO L226 Difference]: Without dead ends: 66 [2020-08-18 18:43:25,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-08-18 18:43:25,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-08-18 18:43:25,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 61. [2020-08-18 18:43:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-08-18 18:43:25,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2020-08-18 18:43:25,758 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 60 [2020-08-18 18:43:25,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:43:25,759 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2020-08-18 18:43:25,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 18:43:25,759 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2020-08-18 18:43:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 18:43:25,760 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:43:25,760 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:43:25,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 18:43:25,761 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:43:25,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:43:25,761 INFO L82 PathProgramCache]: Analyzing trace with hash 2044789832, now seen corresponding path program 1 times [2020-08-18 18:43:25,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:43:25,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [56584923] [2020-08-18 18:43:25,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:43:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:26,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:43:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:26,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:43:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:26,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 18:43:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:26,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-18 18:43:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:26,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 18:43:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:26,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 18:43:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:26,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 18:43:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-08-18 18:43:27,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [56584923] [2020-08-18 18:43:27,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 18:43:27,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-08-18 18:43:27,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078459634] [2020-08-18 18:43:27,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-08-18 18:43:27,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:43:27,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-08-18 18:43:27,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=808, Unknown=0, NotChecked=0, Total=870 [2020-08-18 18:43:27,157 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand 30 states. [2020-08-18 18:43:29,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:43:29,650 INFO L93 Difference]: Finished difference Result 95 states and 118 transitions. [2020-08-18 18:43:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-08-18 18:43:29,652 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 61 [2020-08-18 18:43:29,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:43:29,654 INFO L225 Difference]: With dead ends: 95 [2020-08-18 18:43:29,654 INFO L226 Difference]: Without dead ends: 93 [2020-08-18 18:43:29,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=201, Invalid=2249, Unknown=0, NotChecked=0, Total=2450 [2020-08-18 18:43:29,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-08-18 18:43:29,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 79. [2020-08-18 18:43:29,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-18 18:43:29,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 98 transitions. [2020-08-18 18:43:29,669 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 98 transitions. Word has length 61 [2020-08-18 18:43:29,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:43:29,670 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 98 transitions. [2020-08-18 18:43:29,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-08-18 18:43:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2020-08-18 18:43:29,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-18 18:43:29,671 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:43:29,672 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:43:29,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 18:43:29,672 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:43:29,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:43:29,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1308685849, now seen corresponding path program 2 times [2020-08-18 18:43:29,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:43:29,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071155221] [2020-08-18 18:43:29,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:43:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:29,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:43:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:29,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:43:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:29,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 18:43:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:29,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-18 18:43:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:29,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 18:43:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:29,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 18:43:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:29,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 18:43:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:29,825 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-08-18 18:43:29,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071155221] [2020-08-18 18:43:29,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 18:43:29,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 18:43:29,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666961929] [2020-08-18 18:43:29,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 18:43:29,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:43:29,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 18:43:29,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-18 18:43:29,828 INFO L87 Difference]: Start difference. First operand 79 states and 98 transitions. Second operand 10 states. [2020-08-18 18:43:30,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:43:30,125 INFO L93 Difference]: Finished difference Result 99 states and 121 transitions. [2020-08-18 18:43:30,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 18:43:30,125 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2020-08-18 18:43:30,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:43:30,127 INFO L225 Difference]: With dead ends: 99 [2020-08-18 18:43:30,128 INFO L226 Difference]: Without dead ends: 75 [2020-08-18 18:43:30,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-08-18 18:43:30,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-08-18 18:43:30,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-08-18 18:43:30,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-08-18 18:43:30,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 90 transitions. [2020-08-18 18:43:30,140 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 90 transitions. Word has length 62 [2020-08-18 18:43:30,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:43:30,140 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 90 transitions. [2020-08-18 18:43:30,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 18:43:30,141 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 90 transitions. [2020-08-18 18:43:30,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-18 18:43:30,142 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:43:30,142 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:43:30,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 18:43:30,143 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:43:30,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:43:30,143 INFO L82 PathProgramCache]: Analyzing trace with hash 274449135, now seen corresponding path program 3 times [2020-08-18 18:43:30,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:43:30,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151850589] [2020-08-18 18:43:30,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:43:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:30,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:43:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:30,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:43:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:30,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 18:43:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:30,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-18 18:43:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:30,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 18:43:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:30,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 18:43:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:30,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 18:43:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:30,370 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-08-18 18:43:30,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151850589] [2020-08-18 18:43:30,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 18:43:30,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 18:43:30,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261432819] [2020-08-18 18:43:30,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 18:43:30,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:43:30,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 18:43:30,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-18 18:43:30,373 INFO L87 Difference]: Start difference. First operand 75 states and 90 transitions. Second operand 10 states. [2020-08-18 18:43:30,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:43:30,704 INFO L93 Difference]: Finished difference Result 115 states and 136 transitions. [2020-08-18 18:43:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 18:43:30,704 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2020-08-18 18:43:30,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:43:30,705 INFO L225 Difference]: With dead ends: 115 [2020-08-18 18:43:30,706 INFO L226 Difference]: Without dead ends: 80 [2020-08-18 18:43:30,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-08-18 18:43:30,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-08-18 18:43:30,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 75. [2020-08-18 18:43:30,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-08-18 18:43:30,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 86 transitions. [2020-08-18 18:43:30,727 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 86 transitions. Word has length 62 [2020-08-18 18:43:30,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:43:30,727 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 86 transitions. [2020-08-18 18:43:30,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 18:43:30,727 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2020-08-18 18:43:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-18 18:43:30,729 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:43:30,729 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:43:30,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 18:43:30,729 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:43:30,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:43:30,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1539067163, now seen corresponding path program 4 times [2020-08-18 18:43:30,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:43:30,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [651523486] [2020-08-18 18:43:30,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:43:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:30,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:43:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:30,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:43:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:30,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 18:43:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:30,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-18 18:43:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:30,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 18:43:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:30,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 18:43:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:30,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 18:43:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:30,857 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-08-18 18:43:30,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [651523486] [2020-08-18 18:43:30,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 18:43:30,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 18:43:30,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199462977] [2020-08-18 18:43:30,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 18:43:30,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:43:30,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 18:43:30,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-18 18:43:30,860 INFO L87 Difference]: Start difference. First operand 75 states and 86 transitions. Second operand 10 states. [2020-08-18 18:43:31,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:43:31,298 INFO L93 Difference]: Finished difference Result 104 states and 116 transitions. [2020-08-18 18:43:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 18:43:31,299 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2020-08-18 18:43:31,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:43:31,302 INFO L225 Difference]: With dead ends: 104 [2020-08-18 18:43:31,302 INFO L226 Difference]: Without dead ends: 63 [2020-08-18 18:43:31,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-08-18 18:43:31,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-08-18 18:43:31,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-08-18 18:43:31,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-08-18 18:43:31,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2020-08-18 18:43:31,322 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 62 [2020-08-18 18:43:31,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:43:31,323 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2020-08-18 18:43:31,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 18:43:31,323 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2020-08-18 18:43:31,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-08-18 18:43:31,329 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:43:31,330 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:43:31,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-18 18:43:31,334 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:43:31,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:43:31,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1890427347, now seen corresponding path program 1 times [2020-08-18 18:43:31,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:43:31,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21749797] [2020-08-18 18:43:31,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:43:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:31,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:43:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:31,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:43:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:31,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 18:43:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:31,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-18 18:43:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:31,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 18:43:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:31,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 18:43:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:31,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 18:43:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:31,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-18 18:43:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:31,847 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-08-18 18:43:31,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21749797] [2020-08-18 18:43:31,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 18:43:31,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 18:43:31,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258287204] [2020-08-18 18:43:31,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 18:43:31,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:43:31,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 18:43:31,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2020-08-18 18:43:31,850 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand 18 states. [2020-08-18 18:43:32,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:43:32,902 INFO L93 Difference]: Finished difference Result 76 states and 84 transitions. [2020-08-18 18:43:32,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-18 18:43:32,908 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 71 [2020-08-18 18:43:32,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:43:32,909 INFO L225 Difference]: With dead ends: 76 [2020-08-18 18:43:32,909 INFO L226 Difference]: Without dead ends: 72 [2020-08-18 18:43:32,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=164, Invalid=892, Unknown=0, NotChecked=0, Total=1056 [2020-08-18 18:43:32,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-08-18 18:43:32,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 66. [2020-08-18 18:43:32,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-08-18 18:43:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 73 transitions. [2020-08-18 18:43:32,925 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 73 transitions. Word has length 71 [2020-08-18 18:43:32,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:43:32,925 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 73 transitions. [2020-08-18 18:43:32,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 18:43:32,925 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2020-08-18 18:43:32,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-08-18 18:43:32,926 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:43:32,927 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 18:43:32,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-18 18:43:32,927 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:43:32,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:43:32,927 INFO L82 PathProgramCache]: Analyzing trace with hash 818416110, now seen corresponding path program 2 times [2020-08-18 18:43:32,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:43:32,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121155722] [2020-08-18 18:43:32,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:43:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:32,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:43:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:33,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:43:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:33,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 18:43:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:33,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-18 18:43:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:33,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 18:43:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:33,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 18:43:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:33,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 18:43:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:33,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-18 18:43:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:43:33,082 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-18 18:43:33,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121155722] [2020-08-18 18:43:33,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 18:43:33,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 18:43:33,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672176974] [2020-08-18 18:43:33,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 18:43:33,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:43:33,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 18:43:33,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-18 18:43:33,085 INFO L87 Difference]: Start difference. First operand 66 states and 73 transitions. Second operand 10 states. [2020-08-18 18:43:33,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:43:33,404 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2020-08-18 18:43:33,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 18:43:33,404 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 72 [2020-08-18 18:43:33,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:43:33,405 INFO L225 Difference]: With dead ends: 83 [2020-08-18 18:43:33,405 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 18:43:33,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-08-18 18:43:33,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 18:43:33,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 18:43:33,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 18:43:33,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 18:43:33,407 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2020-08-18 18:43:33,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:43:33,407 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 18:43:33,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 18:43:33,408 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 18:43:33,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 18:43:33,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-18 18:43:33,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 18:43:33,737 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-08-18 18:43:33,910 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-08-18 18:43:34,249 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-08-18 18:43:34,402 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2020-08-18 18:43:34,571 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 18:43:34,571 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|)) [2020-08-18 18:43:34,571 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 18:43:34,572 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-08-18 18:43:34,572 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-08-18 18:43:34,572 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-08-18 18:43:34,572 INFO L268 CegarLoopResult]: For program point sll_destroyEXIT(lines 581 587) no Hoare annotation was computed. [2020-08-18 18:43:34,572 INFO L271 CegarLoopResult]: At program point L582-2(lines 582 586) the Hoare annotation is: true [2020-08-18 18:43:34,572 INFO L264 CegarLoopResult]: At program point sll_destroyENTRY(lines 581 587) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-08-18 18:43:34,572 INFO L268 CegarLoopResult]: For program point L582-3(lines 581 587) no Hoare annotation was computed. [2020-08-18 18:43:34,572 INFO L268 CegarLoopResult]: For program point sll_update_atFINAL(lines 595 601) no Hoare annotation was computed. [2020-08-18 18:43:34,575 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (let ((.cse5 (= sll_update_at_~data |sll_update_at_#in~data|)) (.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse1 (= |#memory_int| |old(#memory_int)|)) (.cse2 (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|)) (.cse3 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (or (and .cse0 .cse1 (<= 1 |sll_update_at_#in~index|) .cse2 .cse3 (let ((.cse4 (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) 4))) (or (= .cse4 |sll_update_at_#in~head.base|) (<= (+ |sll_update_at_#in~head.offset| 1) 0) (<= 1 |sll_update_at_#in~head.offset|) (and (= sll_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) 4)) .cse5 (= .cse4 sll_update_at_~head.base))))) (and .cse0 (= |sll_update_at_#in~head.base| sll_update_at_~head.base) .cse1 (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |sll_update_at_#in~index| sll_update_at_~index) .cse5 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 2 |sll_update_at_#in~index|)))) [2020-08-18 18:43:34,575 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-08-18 18:43:34,575 INFO L268 CegarLoopResult]: For program point sll_update_atEXIT(lines 595 601) no Hoare annotation was computed. [2020-08-18 18:43:34,575 INFO L264 CegarLoopResult]: At program point sll_update_atENTRY(lines 595 601) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-08-18 18:43:34,576 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-08-18 18:43:34,576 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-08-18 18:43:34,576 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-08-18 18:43:34,576 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (= (select |#valid| sll_create_~head~0.base) 1) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-08-18 18:43:34,576 INFO L268 CegarLoopResult]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2020-08-18 18:43:34,576 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-08-18 18:43:34,576 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2020-08-18 18:43:34,578 INFO L264 CegarLoopResult]: At program point L574-3(lines 574 578) the Hoare annotation is: (let ((.cse0 (= (select |#valid| sll_create_~head~0.base) 1))) (or (and .cse0 (<= |sll_create_#in~len| (+ sll_create_~len 1))) (and (not (= sll_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) .cse0 (= sll_create_~head~0.offset 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)))) [2020-08-18 18:43:34,578 INFO L268 CegarLoopResult]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2020-08-18 18:43:34,579 INFO L264 CegarLoopResult]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-18 18:43:34,579 INFO L268 CegarLoopResult]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2020-08-18 18:43:34,579 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-08-18 18:43:34,580 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-08-18 18:43:34,581 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-08-18 18:43:34,581 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 18:43:34,581 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-18 18:43:34,582 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 18:43:34,582 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 18:43:34,582 INFO L271 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 588 594) the Hoare annotation is: true [2020-08-18 18:43:34,582 INFO L268 CegarLoopResult]: For program point sll_get_data_atFINAL(lines 588 594) no Hoare annotation was computed. [2020-08-18 18:43:34,582 INFO L264 CegarLoopResult]: At program point L589-2(lines 589 592) the Hoare annotation is: (let ((.cse0 (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|))) (or (and .cse0 (<= 2 |sll_get_data_at_#in~index|)) (and .cse0 (or (and (= sll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) 4)) (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) 4))) (<= 1 |sll_get_data_at_#in~head.offset|) (<= (+ |sll_get_data_at_#in~head.offset| 1) 0)) (<= 1 |sll_get_data_at_#in~index|)) (and (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|)))) [2020-08-18 18:43:34,583 INFO L268 CegarLoopResult]: For program point L589-3(lines 589 592) no Hoare annotation was computed. [2020-08-18 18:43:34,583 INFO L268 CegarLoopResult]: For program point sll_get_data_atEXIT(lines 588 594) no Hoare annotation was computed. [2020-08-18 18:43:34,583 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse6 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse0 (not (= .cse6 main_~s~0.base))) (.cse2 (* 2 main_~len~0)) (.cse3 (= main_~s~0.offset 0))) (or (let ((.cse1 (+ main_~new_data~0 1))) (and .cse0 (<= 2 main_~len~0) (<= .cse1 .cse2) (<= main_~len~0 (+ main_~i~0 1)) (<= .cse2 .cse1) .cse3 (<= main_~i~0 1))) (let ((.cse5 (+ main_~new_data~0 2)) (.cse4 (+ (select (select |#memory_int| .cse6) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)) 1))) (and (<= .cse2 .cse4) .cse0 (<= main_~len~0 2) (<= (+ main_~i~0 2) main_~len~0) (<= .cse5 .cse2) (<= 0 main_~i~0) (<= .cse2 .cse5) (<= .cse4 .cse2) .cse3))))) [2020-08-18 18:43:34,583 INFO L268 CegarLoopResult]: For program point L611-2(lines 611 616) no Hoare annotation was computed. [2020-08-18 18:43:34,583 INFO L268 CegarLoopResult]: For program point L609-1(lines 607 610) no Hoare annotation was computed. [2020-08-18 18:43:34,584 INFO L264 CegarLoopResult]: At program point L611-3(lines 611 616) the Hoare annotation is: (let ((.cse5 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (let ((.cse11 (+ .cse5 2)) (.cse12 (+ main_~new_data~0 2)) (.cse8 (* 2 main_~len~0))) (let ((.cse9 (<= main_~len~0 2)) (.cse1 (<= 2 main_~len~0)) (.cse10 (<= (+ main_~i~0 2) main_~len~0)) (.cse2 (<= .cse12 .cse8)) (.cse3 (+ main_~i~0 main_~len~0)) (.cse7 (<= .cse8 .cse12)) (.cse6 (<= .cse8 .cse11))) (or (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse4 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)))) (and (not (= .cse0 main_~s~0.base)) .cse1 .cse2 (<= .cse3 .cse4) (<= (+ .cse5 1) .cse3) .cse6 .cse7 (<= (+ .cse4 1) .cse8) (= main_~s~0.offset 0) (<= main_~i~0 1)))) (and .cse9 (<= .cse5 main_~expected~0) .cse1 .cse10 .cse2 .cse7 .cse6 (<= .cse11 .cse8) (<= main_~expected~0 .cse5)) (and .cse9 .cse1 .cse10 .cse2 (<= .cse5 .cse3) .cse7 .cse6))))) [2020-08-18 18:43:34,584 INFO L271 CegarLoopResult]: At program point L611-4(lines 611 616) the Hoare annotation is: true [2020-08-18 18:43:34,584 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (<= 2 main_~len~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-18 18:43:34,584 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse12 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse4 (* 2 main_~len~0)) (.cse11 (+ (select (select |#memory_int| .cse12) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)) 1))) (let ((.cse0 (<= .cse4 .cse11)) (.cse1 (not (= .cse12 main_~s~0.base))) (.cse2 (<= main_~len~0 2)) (.cse5 (<= .cse11 .cse4)) (.cse6 (= main_~s~0.offset 0)) (.cse8 (<= main_~i~0 1))) (or (let ((.cse3 (+ main_~new_data~0 1))) (and .cse0 .cse1 .cse2 (<= .cse3 .cse4) (<= (+ main_~i~0 2) main_~len~0) (<= 0 main_~i~0) (<= .cse4 .cse3) .cse5 .cse6)) (let ((.cse7 (+ main_~i~0 1))) (and .cse1 (<= .cse7 main_~len~0) (<= 1 main_~i~0) (<= main_~len~0 .cse7) .cse6 .cse8)) (let ((.cse9 (+ main_~new_data~0 2)) (.cse10 (+ (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2))) (and .cse0 .cse1 .cse2 (<= 2 main_~len~0) (<= .cse9 .cse4) (<= .cse4 .cse10) (<= .cse4 .cse9) .cse5 (<= .cse10 .cse4) .cse6 .cse8)))))) [2020-08-18 18:43:34,584 INFO L268 CegarLoopResult]: For program point L605-1(line 605) no Hoare annotation was computed. [2020-08-18 18:43:34,584 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-08-18 18:43:34,586 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 602 621) no Hoare annotation was computed. [2020-08-18 18:43:34,586 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 602 621) no Hoare annotation was computed. [2020-08-18 18:43:34,586 INFO L264 CegarLoopResult]: At program point L614(lines 602 621) the Hoare annotation is: false [2020-08-18 18:43:34,586 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2020-08-18 18:43:34,587 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 602 621) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-18 18:43:34,587 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-08-18 18:43:34,587 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse10 (+ main_~new_data~0 2)) (.cse8 (* 2 main_~len~0))) (let ((.cse2 (<= .cse10 .cse8)) (.cse6 (<= .cse8 (+ .cse0 2))) (.cse1 (<= 2 main_~len~0)) (.cse3 (<= 0 main_~i~0)) (.cse4 (+ main_~i~0 main_~len~0)) (.cse5 (<= .cse8 .cse10))) (or (and (<= main_~len~0 2) (<= .cse0 main_~expected~0) .cse1 (<= (+ main_~i~0 2) main_~len~0) .cse2 .cse3 (<= .cse0 .cse4) .cse5 .cse6 (<= main_~expected~0 .cse0)) (let ((.cse9 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse7 (select (select |#memory_int| .cse9) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)))) (and .cse2 (<= .cse4 .cse7) .cse6 (<= (+ .cse7 1) .cse8) (<= main_~i~0 1) (not (= .cse9 main_~s~0.base)) .cse1 (<= .cse7 main_~expected~0) .cse3 (<= main_~expected~0 .cse7) (<= (+ .cse0 1) .cse4) .cse5 (= main_~s~0.offset 0))))))) [2020-08-18 18:43:34,587 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-08-18 18:43:34,587 INFO L268 CegarLoopResult]: For program point L613-2(lines 613 615) no Hoare annotation was computed. [2020-08-18 18:43:34,587 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-18 18:43:34,588 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-08-18 18:43:34,588 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-08-18 18:43:34,588 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-08-18 18:43:34,589 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-08-18 18:43:34,590 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-08-18 18:43:34,612 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,619 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,620 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,631 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,631 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,650 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,650 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,664 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,673 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,673 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,673 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,673 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,674 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,674 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,674 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,674 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,675 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,675 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,675 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,675 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,675 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,676 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,676 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,676 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,676 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,676 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,677 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,677 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,677 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,677 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,677 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,686 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,687 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,687 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,687 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,688 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,688 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,688 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,688 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,689 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,695 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,696 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,697 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,697 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,698 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,698 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,698 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,711 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,711 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,711 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,711 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,712 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,712 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,712 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,712 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-18 18:43:34,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-18 18:43:34,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,714 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-18 18:43:34,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-18 18:43:34,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 06:43:34 BoogieIcfgContainer [2020-08-18 18:43:34,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 18:43:34,726 INFO L168 Benchmark]: Toolchain (without parser) took 13969.75 ms. Allocated memory was 141.6 MB in the beginning and 377.5 MB in the end (delta: 235.9 MB). Free memory was 101.9 MB in the beginning and 108.2 MB in the end (delta: -6.3 MB). Peak memory consumption was 229.6 MB. Max. memory is 7.1 GB. [2020-08-18 18:43:34,727 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 18:43:34,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.82 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 171.1 MB in the end (delta: -69.4 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2020-08-18 18:43:34,728 INFO L168 Benchmark]: Boogie Preprocessor took 106.25 ms. Allocated memory is still 205.5 MB. Free memory was 171.1 MB in the beginning and 168.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-08-18 18:43:34,733 INFO L168 Benchmark]: RCFGBuilder took 706.99 ms. Allocated memory is still 205.5 MB. Free memory was 168.5 MB in the beginning and 120.8 MB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 7.1 GB. [2020-08-18 18:43:34,740 INFO L168 Benchmark]: TraceAbstraction took 12494.99 ms. Allocated memory was 205.5 MB in the beginning and 377.5 MB in the end (delta: 172.0 MB). Free memory was 120.2 MB in the beginning and 108.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 184.0 MB. Max. memory is 7.1 GB. [2020-08-18 18:43:34,747 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 656.82 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 171.1 MB in the end (delta: -69.4 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.25 ms. Allocated memory is still 205.5 MB. Free memory was 171.1 MB in the beginning and 168.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 706.99 ms. Allocated memory is still 205.5 MB. Free memory was 168.5 MB in the beginning and 120.8 MB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12494.99 ms. Allocated memory was 205.5 MB in the beginning and 377.5 MB in the end (delta: 172.0 MB). Free memory was 120.2 MB in the beginning and 108.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 184.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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 * 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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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 #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 #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_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 619]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 589]: Loop Invariant [2020-08-18 18:43:34,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((index + 1 <= \old(index) && 2 <= \old(index)) || ((index + 1 <= \old(index) && (((head == #memory_$Pointer$[head][4] && head == #memory_$Pointer$[head][4]) || 1 <= head) || head + 1 <= 0)) && 1 <= \old(index))) || ((\old(index) == index && head == head) && head == head) - InvariantResult [Line: 611]: Loop Invariant [2020-08-18 18:43:34,774 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,774 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,785 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,788 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((((!(#memory_$Pointer$[s][4] == s) && 2 <= len) && new_data + 2 <= 2 * len) && i + len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && unknown-#memory_int-unknown[s][s] + 1 <= i + len) && 2 * len <= unknown-#memory_int-unknown[s][s] + 2) && 2 * len <= new_data + 2) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] + 1 <= 2 * len) && s == 0) && i <= 1) || ((((((((len <= 2 && unknown-#memory_int-unknown[s][s] <= expected) && 2 <= len) && i + 2 <= len) && new_data + 2 <= 2 * len) && 2 * len <= new_data + 2) && 2 * len <= unknown-#memory_int-unknown[s][s] + 2) && unknown-#memory_int-unknown[s][s] + 2 <= 2 * len) && expected <= unknown-#memory_int-unknown[s][s])) || ((((((len <= 2 && 2 <= len) && i + 2 <= len) && new_data + 2 <= 2 * len) && unknown-#memory_int-unknown[s][s] <= i + len) && 2 * len <= new_data + 2) && 2 * len <= unknown-#memory_int-unknown[s][s] + 2) - InvariantResult [Line: 596]: Loop Invariant [2020-08-18 18:43:34,790 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,790 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,791 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,791 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,792 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,792 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,792 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,792 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,792 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,795 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,796 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,797 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,798 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,803 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,803 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,803 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,804 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,804 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,804 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,804 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,805 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,805 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,805 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,805 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,805 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,806 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,807 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,807 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,807 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,808 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,808 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,808 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,808 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,809 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,809 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,809 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,809 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && 1 <= \old(index)) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && (((#memory_$Pointer$[head][4] == head || head + 1 <= 0) || 1 <= head) || ((head == #memory_$Pointer$[head][4] && data == \old(data)) && #memory_$Pointer$[head][4] == head))) || ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && head == head) && \old(index) == index) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && 2 <= \old(index)) - InvariantResult [Line: 607]: Loop Invariant [2020-08-18 18:43:34,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,816 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,816 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,823 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,823 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,823 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,824 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,824 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,824 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,825 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,826 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((((2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] + 1 && !(#memory_$Pointer$[s][4] == s)) && len <= 2) && new_data + 1 <= 2 * len) && i + 2 <= len) && 0 <= i) && 2 * len <= new_data + 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] + 1 <= 2 * len) && s == 0) || (((((!(#memory_$Pointer$[s][4] == s) && i + 1 <= len) && 1 <= i) && len <= i + 1) && s == 0) && i <= 1)) || ((((((((((2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] + 1 && !(#memory_$Pointer$[s][4] == s)) && len <= 2) && 2 <= len) && new_data + 2 <= 2 * len) && 2 * len <= unknown-#memory_int-unknown[s][s] + 2) && 2 * len <= new_data + 2) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] + 1 <= 2 * len) && unknown-#memory_int-unknown[s][s] + 2 <= 2 * len) && s == 0) && i <= 1) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant [2020-08-18 18:43:34,844 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,844 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,844 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,845 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,845 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-18 18:43:34,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-18 18:43:34,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-18 18:43:34,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-18 18:43:34,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-18 18:43:34,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-18 18:43:34,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-18 18:43:34,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-18 18:43:34,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((\valid[head] == 1 && \old(len) <= len + 1) || ((!(head == #memory_$Pointer$[head][4]) && \valid[head] == 1) && head == 0)) || (((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && \old(len) == len) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.1s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 484 SDtfs, 790 SDslu, 1778 SDs, 0 SdLazy, 3880 SolverSat, 472 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 354 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 88 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 76 PreInvPairs, 117 NumberOfFragments, 1019 HoareAnnotationTreeSize, 76 FomulaSimplifications, 2099 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 529 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 680 NumberOfCodeBlocks, 680 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 667 ConstructedInterpolants, 0 QuantifiedInterpolants, 173517 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 192/235 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...