/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/dll2n_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 22:12:28,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 22:12:28,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 22:12:28,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 22:12:28,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 22:12:28,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 22:12:28,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 22:12:28,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 22:12:28,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 22:12:28,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 22:12:28,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 22:12:28,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 22:12:28,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 22:12:28,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 22:12:28,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 22:12:28,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 22:12:28,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 22:12:28,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 22:12:28,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 22:12:28,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 22:12:28,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 22:12:28,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 22:12:28,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 22:12:28,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 22:12:28,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 22:12:28,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 22:12:28,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 22:12:28,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 22:12:28,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 22:12:28,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 22:12:28,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 22:12:28,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 22:12:28,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 22:12:28,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 22:12:28,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 22:12:28,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 22:12:28,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 22:12:28,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 22:12:28,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 22:12:28,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 22:12:28,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 22:12:28,572 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 22:12:28,595 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 22:12:28,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 22:12:28,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 22:12:28,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 22:12:28,597 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 22:12:28,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 22:12:28,598 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 22:12:28,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 22:12:28,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 22:12:28,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 22:12:28,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 22:12:28,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 22:12:28,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 22:12:28,599 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 22:12:28,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 22:12:28,599 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 22:12:28,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 22:12:28,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 22:12:28,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 22:12:28,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 22:12:28,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 22:12:28,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 22:12:28,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 22:12:28,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 22:12:28,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 22:12:28,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 22:12:28,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 22:12:28,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 22:12:28,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 22:12:28,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-08-21 22:12:28,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 22:12:28,948 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 22:12:28,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 22:12:28,954 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 22:12:28,954 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 22:12:28,955 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_remove_all.i [2020-08-21 22:12:29,018 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f07cca40a/dd4d77557aaa429b847720195ee4b8a6/FLAG79b03e774 [2020-08-21 22:12:29,603 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 22:12:29,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2n_remove_all.i [2020-08-21 22:12:29,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f07cca40a/dd4d77557aaa429b847720195ee4b8a6/FLAG79b03e774 [2020-08-21 22:12:29,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f07cca40a/dd4d77557aaa429b847720195ee4b8a6 [2020-08-21 22:12:29,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 22:12:29,875 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 22:12:29,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 22:12:29,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 22:12:29,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 22:12:29,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 10:12:29" (1/1) ... [2020-08-21 22:12:29,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2018f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:29, skipping insertion in model container [2020-08-21 22:12:29,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 10:12:29" (1/1) ... [2020-08-21 22:12:29,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 22:12:29,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 22:12:30,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 22:12:30,471 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 22:12:30,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 22:12:30,584 INFO L208 MainTranslator]: Completed translation [2020-08-21 22:12:30,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30 WrapperNode [2020-08-21 22:12:30,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 22:12:30,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 22:12:30,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 22:12:30,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 22:12:30,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (1/1) ... [2020-08-21 22:12:30,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (1/1) ... [2020-08-21 22:12:30,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (1/1) ... [2020-08-21 22:12:30,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (1/1) ... [2020-08-21 22:12:30,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (1/1) ... [2020-08-21 22:12:30,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (1/1) ... [2020-08-21 22:12:30,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (1/1) ... [2020-08-21 22:12:30,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 22:12:30,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 22:12:30,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 22:12:30,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 22:12:30,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 22:12:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 22:12:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 22:12:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-08-21 22:12:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-08-21 22:12:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-08-21 22:12:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-08-21 22:12:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2020-08-21 22:12:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_remove_first [2020-08-21 22:12:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 22:12:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 22:12:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-08-21 22:12:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-08-21 22:12:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-08-21 22:12:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-08-21 22:12:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-08-21 22:12:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-08-21 22:12:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-08-21 22:12:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-08-21 22:12:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-08-21 22:12:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-08-21 22:12:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-08-21 22:12:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-08-21 22:12:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-08-21 22:12:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-08-21 22:12:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-08-21 22:12:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-08-21 22:12:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-08-21 22:12:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-08-21 22:12:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-08-21 22:12:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-08-21 22:12:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-08-21 22:12:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-08-21 22:12:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-08-21 22:12:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-08-21 22:12:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-08-21 22:12:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-08-21 22:12:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-08-21 22:12:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-08-21 22:12:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-08-21 22:12:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-08-21 22:12:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-08-21 22:12:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-08-21 22:12:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-08-21 22:12:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-08-21 22:12:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-08-21 22:12:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-08-21 22:12:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-08-21 22:12:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-08-21 22:12:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-08-21 22:12:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-08-21 22:12:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-08-21 22:12:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-08-21 22:12:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-08-21 22:12:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-08-21 22:12:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-08-21 22:12:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-08-21 22:12:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-08-21 22:12:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-08-21 22:12:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-08-21 22:12:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-08-21 22:12:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-08-21 22:12:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-08-21 22:12:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 22:12:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-21 22:12:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-08-21 22:12:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 22:12:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-08-21 22:12:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-08-21 22:12:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-08-21 22:12:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-08-21 22:12:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-08-21 22:12:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-21 22:12:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-08-21 22:12:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-08-21 22:12:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-08-21 22:12:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 22:12:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-08-21 22:12:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-08-21 22:12:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-08-21 22:12:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-08-21 22:12:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-08-21 22:12:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-08-21 22:12:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-08-21 22:12:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-08-21 22:12:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-08-21 22:12:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-08-21 22:12:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-08-21 22:12:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-08-21 22:12:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-08-21 22:12:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-08-21 22:12:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-08-21 22:12:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-08-21 22:12:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-08-21 22:12:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-08-21 22:12:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-08-21 22:12:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-08-21 22:12:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-08-21 22:12:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-08-21 22:12:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-08-21 22:12:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-08-21 22:12:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-08-21 22:12:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-08-21 22:12:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-08-21 22:12:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-08-21 22:12:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-08-21 22:12:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-08-21 22:12:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-08-21 22:12:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-08-21 22:12:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-08-21 22:12:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-08-21 22:12:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-08-21 22:12:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-08-21 22:12:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-08-21 22:12:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-08-21 22:12:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-08-21 22:12:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-08-21 22:12:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-08-21 22:12:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 22:12:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 22:12:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 22:12:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2020-08-21 22:12:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure dll_remove_first [2020-08-21 22:12:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 22:12:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 22:12:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 22:12:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 22:12:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-21 22:12:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 22:12:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 22:12:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 22:12:31,131 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-08-21 22:12:31,322 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 22:12:31,322 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-08-21 22:12:31,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 10:12:31 BoogieIcfgContainer [2020-08-21 22:12:31,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 22:12:31,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 22:12:31,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 22:12:31,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 22:12:31,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 10:12:29" (1/3) ... [2020-08-21 22:12:31,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b959413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 10:12:31, skipping insertion in model container [2020-08-21 22:12:31,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:12:30" (2/3) ... [2020-08-21 22:12:31,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b959413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 10:12:31, skipping insertion in model container [2020-08-21 22:12:31,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 10:12:31" (3/3) ... [2020-08-21 22:12:31,336 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_remove_all.i [2020-08-21 22:12:31,347 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 22:12:31,355 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 22:12:31,367 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 22:12:31,387 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 22:12:31,387 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 22:12:31,387 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 22:12:31,387 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 22:12:31,387 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 22:12:31,388 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 22:12:31,388 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 22:12:31,388 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 22:12:31,403 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-08-21 22:12:31,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-21 22:12:31,410 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:12:31,411 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:12:31,411 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:12:31,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:12:31,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1664510762, now seen corresponding path program 1 times [2020-08-21 22:12:31,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:12:31,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1289541066] [2020-08-21 22:12:31,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:12:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:31,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:12:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:31,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:12:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:31,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 22:12:31,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1289541066] [2020-08-21 22:12:31,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:12:31,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 22:12:31,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465779146] [2020-08-21 22:12:31,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 22:12:31,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:12:31,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 22:12:31,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 22:12:31,692 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 4 states. [2020-08-21 22:12:31,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:12:31,884 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2020-08-21 22:12:31,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 22:12:31,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-08-21 22:12:31,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:12:31,899 INFO L225 Difference]: With dead ends: 61 [2020-08-21 22:12:31,899 INFO L226 Difference]: Without dead ends: 34 [2020-08-21 22:12:31,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 22:12:31,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-21 22:12:31,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29. [2020-08-21 22:12:31,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-08-21 22:12:31,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2020-08-21 22:12:31,967 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 17 [2020-08-21 22:12:31,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:12:31,968 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2020-08-21 22:12:31,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 22:12:31,969 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2020-08-21 22:12:31,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-21 22:12:31,970 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:12:31,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:12:31,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 22:12:31,971 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:12:31,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:12:31,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1646407191, now seen corresponding path program 1 times [2020-08-21 22:12:31,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:12:31,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [533993471] [2020-08-21 22:12:31,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:12:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:32,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:12:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:32,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:12:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:32,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 22:12:32,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [533993471] [2020-08-21 22:12:32,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:12:32,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 22:12:32,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670925162] [2020-08-21 22:12:32,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 22:12:32,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:12:32,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 22:12:32,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-21 22:12:32,142 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 7 states. [2020-08-21 22:12:32,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:12:32,345 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2020-08-21 22:12:32,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 22:12:32,346 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-08-21 22:12:32,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:12:32,348 INFO L225 Difference]: With dead ends: 51 [2020-08-21 22:12:32,348 INFO L226 Difference]: Without dead ends: 35 [2020-08-21 22:12:32,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-08-21 22:12:32,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-08-21 22:12:32,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2020-08-21 22:12:32,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-21 22:12:32,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2020-08-21 22:12:32,358 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 17 [2020-08-21 22:12:32,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:12:32,358 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2020-08-21 22:12:32,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 22:12:32,358 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-08-21 22:12:32,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-08-21 22:12:32,360 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:12:32,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:12:32,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 22:12:32,360 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:12:32,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:12:32,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1603407070, now seen corresponding path program 1 times [2020-08-21 22:12:32,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:12:32,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238007464] [2020-08-21 22:12:32,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:12:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:32,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:12:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:32,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:12:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:32,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 22:12:32,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238007464] [2020-08-21 22:12:32,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:12:32,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 22:12:32,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63421316] [2020-08-21 22:12:32,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 22:12:32,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:12:32,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 22:12:32,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-21 22:12:32,501 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 6 states. [2020-08-21 22:12:32,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:12:32,639 INFO L93 Difference]: Finished difference Result 56 states and 63 transitions. [2020-08-21 22:12:32,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 22:12:32,640 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-08-21 22:12:32,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:12:32,641 INFO L225 Difference]: With dead ends: 56 [2020-08-21 22:12:32,641 INFO L226 Difference]: Without dead ends: 35 [2020-08-21 22:12:32,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-21 22:12:32,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-08-21 22:12:32,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2020-08-21 22:12:32,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-08-21 22:12:32,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2020-08-21 22:12:32,649 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 22 [2020-08-21 22:12:32,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:12:32,649 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2020-08-21 22:12:32,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 22:12:32,649 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2020-08-21 22:12:32,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-08-21 22:12:32,650 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:12:32,651 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:12:32,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 22:12:32,651 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:12:32,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:12:32,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1990495648, now seen corresponding path program 1 times [2020-08-21 22:12:32,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:12:32,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200199940] [2020-08-21 22:12:32,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:12:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:32,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:12:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:32,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:12:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:32,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 22:12:32,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200199940] [2020-08-21 22:12:32,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:12:32,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 22:12:32,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190832251] [2020-08-21 22:12:32,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 22:12:32,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:12:32,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 22:12:32,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 22:12:32,845 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 8 states. [2020-08-21 22:12:33,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:12:33,023 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2020-08-21 22:12:33,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 22:12:33,024 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-08-21 22:12:33,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:12:33,025 INFO L225 Difference]: With dead ends: 56 [2020-08-21 22:12:33,025 INFO L226 Difference]: Without dead ends: 40 [2020-08-21 22:12:33,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-08-21 22:12:33,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-08-21 22:12:33,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 35. [2020-08-21 22:12:33,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-08-21 22:12:33,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2020-08-21 22:12:33,034 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 22 [2020-08-21 22:12:33,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:12:33,035 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2020-08-21 22:12:33,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 22:12:33,035 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2020-08-21 22:12:33,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-21 22:12:33,036 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:12:33,037 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:12:33,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 22:12:33,037 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:12:33,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:12:33,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1511329333, now seen corresponding path program 1 times [2020-08-21 22:12:33,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:12:33,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92943247] [2020-08-21 22:12:33,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:12:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:33,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:12:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:33,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:12:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:33,191 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-21 22:12:33,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [92943247] [2020-08-21 22:12:33,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:12:33,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 22:12:33,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595543692] [2020-08-21 22:12:33,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 22:12:33,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:12:33,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 22:12:33,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-21 22:12:33,195 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 6 states. [2020-08-21 22:12:33,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:12:33,369 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2020-08-21 22:12:33,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 22:12:33,371 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-08-21 22:12:33,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:12:33,372 INFO L225 Difference]: With dead ends: 43 [2020-08-21 22:12:33,372 INFO L226 Difference]: Without dead ends: 39 [2020-08-21 22:12:33,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 22:12:33,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-08-21 22:12:33,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2020-08-21 22:12:33,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-08-21 22:12:33,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2020-08-21 22:12:33,386 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 27 [2020-08-21 22:12:33,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:12:33,386 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2020-08-21 22:12:33,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 22:12:33,387 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2020-08-21 22:12:33,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-08-21 22:12:33,388 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:12:33,388 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:12:33,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 22:12:33,388 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:12:33,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:12:33,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1801861723, now seen corresponding path program 1 times [2020-08-21 22:12:33,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:12:33,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186712756] [2020-08-21 22:12:33,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:12:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:33,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:12:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:33,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:12:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:33,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 22:12:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-21 22:12:33,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186712756] [2020-08-21 22:12:33,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:12:33,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 22:12:33,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190342667] [2020-08-21 22:12:33,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 22:12:33,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:12:33,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 22:12:33,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-08-21 22:12:33,517 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand 8 states. [2020-08-21 22:12:33,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:12:33,671 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2020-08-21 22:12:33,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 22:12:33,672 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-08-21 22:12:33,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:12:33,673 INFO L225 Difference]: With dead ends: 44 [2020-08-21 22:12:33,673 INFO L226 Difference]: Without dead ends: 40 [2020-08-21 22:12:33,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-08-21 22:12:33,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-08-21 22:12:33,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2020-08-21 22:12:33,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-08-21 22:12:33,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2020-08-21 22:12:33,681 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 35 [2020-08-21 22:12:33,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:12:33,681 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2020-08-21 22:12:33,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 22:12:33,682 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2020-08-21 22:12:33,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-08-21 22:12:33,684 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:12:33,684 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:12:33,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 22:12:33,685 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:12:33,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:12:33,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1626595457, now seen corresponding path program 2 times [2020-08-21 22:12:33,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:12:33,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211476875] [2020-08-21 22:12:33,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:12:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:33,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:12:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:34,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:12:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:34,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 22:12:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:34,831 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-08-21 22:12:35,034 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-08-21 22:12:35,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 22:12:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 22:12:35,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1211476875] [2020-08-21 22:12:35,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:12:35,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-08-21 22:12:35,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367089945] [2020-08-21 22:12:35,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-08-21 22:12:35,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:12:35,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-08-21 22:12:35,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=551, Unknown=0, NotChecked=0, Total=600 [2020-08-21 22:12:35,230 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 25 states. [2020-08-21 22:12:36,915 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2020-08-21 22:12:37,246 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2020-08-21 22:12:37,522 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2020-08-21 22:12:37,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:12:37,676 INFO L93 Difference]: Finished difference Result 71 states and 83 transitions. [2020-08-21 22:12:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-21 22:12:37,678 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 43 [2020-08-21 22:12:37,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:12:37,680 INFO L225 Difference]: With dead ends: 71 [2020-08-21 22:12:37,680 INFO L226 Difference]: Without dead ends: 59 [2020-08-21 22:12:37,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=127, Invalid=1279, Unknown=0, NotChecked=0, Total=1406 [2020-08-21 22:12:37,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-08-21 22:12:37,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 56. [2020-08-21 22:12:37,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-08-21 22:12:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions. [2020-08-21 22:12:37,693 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 43 [2020-08-21 22:12:37,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:12:37,694 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 66 transitions. [2020-08-21 22:12:37,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-08-21 22:12:37,694 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2020-08-21 22:12:37,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-08-21 22:12:37,696 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:12:37,696 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:12:37,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 22:12:37,696 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:12:37,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:12:37,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1988313469, now seen corresponding path program 1 times [2020-08-21 22:12:37,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:12:37,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2099903168] [2020-08-21 22:12:37,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:12:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:37,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:12:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:37,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:12:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:37,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 22:12:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:37,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 22:12:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:37,835 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-21 22:12:37,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2099903168] [2020-08-21 22:12:37,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:12:37,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 22:12:37,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888927785] [2020-08-21 22:12:37,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 22:12:37,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:12:37,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 22:12:37,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-21 22:12:37,838 INFO L87 Difference]: Start difference. First operand 56 states and 66 transitions. Second operand 10 states. [2020-08-21 22:12:38,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:12:38,278 INFO L93 Difference]: Finished difference Result 72 states and 86 transitions. [2020-08-21 22:12:38,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 22:12:38,279 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 43 [2020-08-21 22:12:38,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:12:38,280 INFO L225 Difference]: With dead ends: 72 [2020-08-21 22:12:38,280 INFO L226 Difference]: Without dead ends: 68 [2020-08-21 22:12:38,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2020-08-21 22:12:38,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-08-21 22:12:38,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 56. [2020-08-21 22:12:38,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-08-21 22:12:38,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions. [2020-08-21 22:12:38,291 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 43 [2020-08-21 22:12:38,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:12:38,292 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 66 transitions. [2020-08-21 22:12:38,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 22:12:38,292 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2020-08-21 22:12:38,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-08-21 22:12:38,293 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:12:38,293 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:12:38,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 22:12:38,294 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:12:38,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:12:38,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1394437068, now seen corresponding path program 3 times [2020-08-21 22:12:38,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:12:38,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690160960] [2020-08-21 22:12:38,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:12:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:38,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:12:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:38,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:12:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:38,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-21 22:12:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:38,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:12:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:38,435 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-21 22:12:38,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690160960] [2020-08-21 22:12:38,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:12:38,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 22:12:38,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793618904] [2020-08-21 22:12:38,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 22:12:38,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:12:38,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 22:12:38,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-21 22:12:38,438 INFO L87 Difference]: Start difference. First operand 56 states and 66 transitions. Second operand 10 states. [2020-08-21 22:12:38,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:12:38,656 INFO L93 Difference]: Finished difference Result 73 states and 84 transitions. [2020-08-21 22:12:38,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 22:12:38,657 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2020-08-21 22:12:38,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:12:38,658 INFO L225 Difference]: With dead ends: 73 [2020-08-21 22:12:38,659 INFO L226 Difference]: Without dead ends: 45 [2020-08-21 22:12:38,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-08-21 22:12:38,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-08-21 22:12:38,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-08-21 22:12:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-08-21 22:12:38,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2020-08-21 22:12:38,667 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 48 [2020-08-21 22:12:38,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:12:38,668 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2020-08-21 22:12:38,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 22:12:38,668 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2020-08-21 22:12:38,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 22:12:38,669 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:12:38,669 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:12:38,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 22:12:38,669 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:12:38,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:12:38,670 INFO L82 PathProgramCache]: Analyzing trace with hash 2096610473, now seen corresponding path program 2 times [2020-08-21 22:12:38,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:12:38,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [420308299] [2020-08-21 22:12:38,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:12:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:38,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:12:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:38,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:12:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:38,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 22:12:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:38,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 22:12:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:38,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-21 22:12:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:12:38,803 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-08-21 22:12:38,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [420308299] [2020-08-21 22:12:38,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:12:38,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 22:12:38,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214697109] [2020-08-21 22:12:38,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 22:12:38,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:12:38,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 22:12:38,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 22:12:38,806 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand 9 states. [2020-08-21 22:12:38,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:12:38,947 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2020-08-21 22:12:38,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 22:12:38,947 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-08-21 22:12:38,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:12:38,948 INFO L225 Difference]: With dead ends: 55 [2020-08-21 22:12:38,948 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 22:12:38,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-08-21 22:12:38,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 22:12:38,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 22:12:38,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 22:12:38,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 22:12:38,950 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-08-21 22:12:38,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:12:38,950 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 22:12:38,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 22:12:38,950 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 22:12:38,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 22:12:38,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 22:12:38,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 22:12:39,307 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2020-08-21 22:12:39,412 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-08-21 22:12:39,460 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 22:12:39,461 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-08-21 22:12:39,461 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 22:12:39,461 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2020-08-21 22:12:39,461 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2020-08-21 22:12:39,461 INFO L271 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: true [2020-08-21 22:12:39,461 INFO L268 CegarLoopResult]: For program point L578-1(lines 578 580) no Hoare annotation was computed. [2020-08-21 22:12:39,462 INFO L264 CegarLoopResult]: At program point dll_createENTRY(lines 574 591) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-21 22:12:39,462 INFO L264 CegarLoopResult]: At program point L576-2(lines 576 589) the Hoare annotation is: (let ((.cse8 (+ dll_create_~new_head~0.offset 4))) (let ((.cse2 (select (select |#memory_$Pointer$.base| dll_create_~new_head~0.base) .cse8)) (.cse1 (= (select (select |#memory_$Pointer$.offset| dll_create_~head~0.base) 4) 0)) (.cse0 (= dll_create_~head~0.offset 0)) (.cse5 (= dll_create_~new_head~0.offset 0)) (.cse4 (select (select |#memory_$Pointer$.base| dll_create_~head~0.base) 4)) (.cse6 (= (select (select |#memory_$Pointer$.offset| dll_create_~new_head~0.base) .cse8) 0)) (.cse3 (<= (+ dll_create_~len 2) |dll_create_#in~len|))) (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= dll_create_~len |dll_create_#in~len|) .cse0 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= 0 dll_create_~head~0.base)) (and .cse1 (= 0 (select (select |#memory_$Pointer$.offset| .cse2) 4)) .cse0 (= (select |old(#valid)| .cse2) 0) .cse3 (= (select (select |#memory_$Pointer$.base| .cse4) 4) 0) (= (select (select |#memory_$Pointer$.offset| .cse4) 4) 0) .cse5 (= (select (select |#memory_$Pointer$.base| .cse2) 4) 0) (= (select |old(#valid)| .cse4) 0) .cse6) (let ((.cse7 (+ dll_create_~len 1))) (and (<= |dll_create_#in~len| .cse7) (= (select |#valid| dll_create_~new_head~0.base) 1) (= .cse2 0) .cse1 .cse0 (= 0 (select |old(#valid)| dll_create_~new_head~0.base)) (= (select |old(#valid)| dll_create_~head~0.base) 0) .cse5 (= .cse4 0) (= (select |#valid| dll_create_~head~0.base) 1) .cse6 (<= .cse7 |dll_create_#in~len|))) (and (<= 3 |dll_create_#in~len|) .cse3)))) [2020-08-21 22:12:39,462 INFO L268 CegarLoopResult]: For program point L576-3(lines 576 589) no Hoare annotation was computed. [2020-08-21 22:12:39,463 INFO L268 CegarLoopResult]: For program point dll_createFINAL(lines 574 591) no Hoare annotation was computed. [2020-08-21 22:12:39,463 INFO L271 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: true [2020-08-21 22:12:39,463 INFO L268 CegarLoopResult]: For program point dll_createEXIT(lines 574 591) no Hoare annotation was computed. [2020-08-21 22:12:39,463 INFO L268 CegarLoopResult]: For program point L584(lines 584 586) no Hoare annotation was computed. [2020-08-21 22:12:39,463 INFO L268 CegarLoopResult]: For program point L584-2(lines 584 586) no Hoare annotation was computed. [2020-08-21 22:12:39,463 INFO L268 CegarLoopResult]: For program point L578(lines 578 580) no Hoare annotation was computed. [2020-08-21 22:12:39,463 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-08-21 22:12:39,463 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-08-21 22:12:39,464 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-08-21 22:12:39,464 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-08-21 22:12:39,464 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-08-21 22:12:39,464 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-08-21 22:12:39,464 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 22:12:39,464 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-21 22:12:39,464 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 22:12:39,464 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 22:12:39,465 INFO L264 CegarLoopResult]: At program point L609(lines 600 614) the Hoare annotation is: false [2020-08-21 22:12:39,465 INFO L268 CegarLoopResult]: For program point L608(lines 608 610) no Hoare annotation was computed. [2020-08-21 22:12:39,465 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 612) no Hoare annotation was computed. [2020-08-21 22:12:39,465 INFO L264 CegarLoopResult]: At program point L606(line 606) the Hoare annotation is: (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse1 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse3 (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (.cse0 (select (select |#memory_$Pointer$.base| .cse5) 4)) (.cse4 (= (select (select |#memory_$Pointer$.offset| .cse5) 4) 0))) (or (and (= (select (select |#memory_$Pointer$.offset| .cse0) 4) 0) .cse1 .cse2 (not (= |main_~#s~0.base| .cse0)) (<= 1 main_~i~0) (= (select (select |#memory_$Pointer$.base| .cse0) 4) 0) .cse3 (<= main_~i~0 1) .cse4) (and (<= main_~i~0 0) .cse1 .cse2 (<= 0 main_~i~0) .cse3 (= .cse0 0) .cse4)))) [2020-08-21 22:12:39,465 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 614) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-21 22:12:39,466 INFO L268 CegarLoopResult]: For program point L606-1(lines 605 607) no Hoare annotation was computed. [2020-08-21 22:12:39,466 INFO L264 CegarLoopResult]: At program point L603(line 603) the Hoare annotation is: (and (<= main_~len~0 2) (<= 2 main_~len~0) (= (select |#valid| |main_~#s~0.base|) 1)) [2020-08-21 22:12:39,466 INFO L264 CegarLoopResult]: At program point L605-2(lines 605 607) the Hoare annotation is: (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse1 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse3 (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (.cse0 (select (select |#memory_$Pointer$.base| .cse5) 4)) (.cse4 (= (select (select |#memory_$Pointer$.offset| .cse5) 4) 0))) (or (and (= (select (select |#memory_$Pointer$.offset| .cse0) 4) 0) .cse1 .cse2 (not (= |main_~#s~0.base| .cse0)) (<= 1 main_~i~0) (= (select (select |#memory_$Pointer$.base| .cse0) 4) 0) .cse3 (<= main_~i~0 1) .cse4) (and (= .cse5 0) .cse2 .cse1 (<= (+ main_~i~0 1) 0) .cse3) (and (<= main_~i~0 0) .cse1 .cse2 (<= 0 main_~i~0) .cse3 (= .cse0 0) .cse4)))) [2020-08-21 22:12:39,466 INFO L268 CegarLoopResult]: For program point L603-1(line 603) no Hoare annotation was computed. [2020-08-21 22:12:39,466 INFO L268 CegarLoopResult]: For program point L605-3(lines 605 607) no Hoare annotation was computed. [2020-08-21 22:12:39,466 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 614) no Hoare annotation was computed. [2020-08-21 22:12:39,466 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 600 614) no Hoare annotation was computed. [2020-08-21 22:12:39,467 INFO L268 CegarLoopResult]: For program point node_createENTRY(lines 564 573) no Hoare annotation was computed. [2020-08-21 22:12:39,467 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 564 573) no Hoare annotation was computed. [2020-08-21 22:12:39,467 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-08-21 22:12:39,467 INFO L268 CegarLoopResult]: For program point L566(lines 566 568) no Hoare annotation was computed. [2020-08-21 22:12:39,467 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2020-08-21 22:12:39,467 INFO L268 CegarLoopResult]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2020-08-21 22:12:39,467 INFO L268 CegarLoopResult]: For program point L594-2(lines 594 596) no Hoare annotation was computed. [2020-08-21 22:12:39,468 INFO L268 CegarLoopResult]: For program point dll_remove_firstFINAL(lines 592 599) no Hoare annotation was computed. [2020-08-21 22:12:39,468 INFO L268 CegarLoopResult]: For program point dll_remove_firstEXIT(lines 592 599) no Hoare annotation was computed. [2020-08-21 22:12:39,468 INFO L264 CegarLoopResult]: At program point dll_remove_firstENTRY(lines 592 599) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-21 22:12:39,468 INFO L268 CegarLoopResult]: For program point L594(lines 594 596) no Hoare annotation was computed. [2020-08-21 22:12:39,482 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,484 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,484 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,484 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 22:12:39,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 22:12:39,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 22:12:39,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 22:12:39,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,500 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,501 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,501 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,501 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,501 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,502 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,502 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,502 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,506 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,506 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,507 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 22:12:39,507 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 22:12:39,507 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 22:12:39,507 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 22:12:39,508 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,508 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,508 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,508 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,512 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,512 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,512 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,512 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,514 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,515 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,515 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,516 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,516 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,516 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,520 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,520 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,520 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,525 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,525 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,527 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,527 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,527 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,527 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,528 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,528 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,528 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,528 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,530 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,534 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,534 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 10:12:39 BoogieIcfgContainer [2020-08-21 22:12:39,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 22:12:39,538 INFO L168 Benchmark]: Toolchain (without parser) took 9662.92 ms. Allocated memory was 145.8 MB in the beginning and 322.4 MB in the end (delta: 176.7 MB). Free memory was 100.2 MB in the beginning and 240.7 MB in the end (delta: -140.5 MB). Peak memory consumption was 189.5 MB. Max. memory is 7.1 GB. [2020-08-21 22:12:39,539 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 145.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 22:12:39,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.73 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 99.9 MB in the beginning and 168.6 MB in the end (delta: -68.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-08-21 22:12:39,544 INFO L168 Benchmark]: Boogie Preprocessor took 65.36 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 165.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-08-21 22:12:39,544 INFO L168 Benchmark]: RCFGBuilder took 675.18 ms. Allocated memory is still 202.4 MB. Free memory was 165.3 MB in the beginning and 118.7 MB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB. [2020-08-21 22:12:39,545 INFO L168 Benchmark]: TraceAbstraction took 8208.39 ms. Allocated memory was 202.4 MB in the beginning and 322.4 MB in the end (delta: 120.1 MB). Free memory was 118.7 MB in the beginning and 240.7 MB in the end (delta: -122.0 MB). Peak memory consumption was 151.4 MB. Max. memory is 7.1 GB. [2020-08-21 22:12:39,549 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 145.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.73 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 99.9 MB in the beginning and 168.6 MB in the end (delta: -68.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.36 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 165.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 675.18 ms. Allocated memory is still 202.4 MB. Free memory was 165.3 MB in the beginning and 118.7 MB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8208.39 ms. Allocated memory was 202.4 MB in the beginning and 322.4 MB in the end (delta: 120.1 MB). Free memory was 118.7 MB in the beginning and 240.7 MB in the end (delta: -122.0 MB). Peak memory consumption was 151.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 612]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant [2020-08-21 22:12:39,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 22:12:39,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 22:12:39,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 22:12:39,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 22:12:39,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,576 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,576 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,576 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,576 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 22:12:39,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-08-21 22:12:39,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 22:12:39,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 22:12:39,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,582 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,582 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,582 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,582 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,582 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,582 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,583 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,583 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,583 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && len == \old(len)) && head == 0) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid) && 0 == head) || ((((((((((#memory_$Pointer$[head][4] == 0 && 0 == #memory_$Pointer$[#memory_$Pointer$[new_head][new_head + 4]][4]) && head == 0) && \old(\valid)[#memory_$Pointer$[new_head][new_head + 4]] == 0) && len + 2 <= \old(len)) && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && new_head == 0) && #memory_$Pointer$[#memory_$Pointer$[new_head][new_head + 4]][4] == 0) && \old(\valid)[#memory_$Pointer$[head][4]] == 0) && #memory_$Pointer$[new_head][new_head + 4] == 0)) || (((((((((((\old(len) <= len + 1 && \valid[new_head] == 1) && #memory_$Pointer$[new_head][new_head + 4] == 0) && #memory_$Pointer$[head][4] == 0) && head == 0) && 0 == \old(\valid)[new_head]) && \old(\valid)[head] == 0) && new_head == 0) && #memory_$Pointer$[head][4] == 0) && \valid[head] == 1) && #memory_$Pointer$[new_head][new_head + 4] == 0) && len + 1 <= \old(len))) || (3 <= \old(len) && len + 2 <= \old(len)) - InvariantResult [Line: 605]: Loop Invariant [2020-08-21 22:12:39,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,594 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,594 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,594 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,594 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,594 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 22:12:39,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 22:12:39,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 22:12:39,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((#memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][4]][4] == 0 && len <= 2) && 2 <= len) && !(s == #memory_$Pointer$[#memory_$Pointer$[s][s]][4])) && 1 <= i) && #memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][4]][4] == 0) && #memory_$Pointer$[s][s] == 0) && i <= 1) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) || ((((#memory_$Pointer$[s][s] == 0 && 2 <= len) && len <= 2) && i + 1 <= 0) && #memory_$Pointer$[s][s] == 0)) || ((((((i <= 0 && len <= 2) && 2 <= len) && 0 <= i) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 252 SDtfs, 187 SDslu, 968 SDs, 0 SdLazy, 1545 SolverSat, 128 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 36 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 23 PreInvPairs, 32 NumberOfFragments, 531 HoareAnnotationTreeSize, 23 FomulaSimplifications, 262 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 90 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 325 NumberOfCodeBlocks, 325 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 315 ConstructedInterpolants, 0 QuantifiedInterpolants, 90367 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 78/113 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...