/usr/bin/java -ea -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.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 22:25:53,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 22:25:53,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 22:25:53,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 22:25:53,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 22:25:53,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 22:25:53,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 22:25:53,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 22:25:53,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 22:25:53,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 22:25:53,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 22:25:53,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 22:25:53,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 22:25:53,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 22:25:53,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 22:25:53,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 22:25:53,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 22:25:53,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 22:25:53,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 22:25:53,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 22:25:53,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 22:25:53,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 22:25:53,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 22:25:53,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 22:25:53,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 22:25:53,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 22:25:53,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 22:25:53,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 22:25:53,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 22:25:53,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 22:25:53,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 22:25:53,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 22:25:53,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 22:25:53,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 22:25:53,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 22:25:53,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 22:25:53,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 22:25:53,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 22:25:53,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 22:25:53,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 22:25:53,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 22:25:53,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 22:25:53,658 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 22:25:53,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 22:25:53,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 22:25:53,661 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 22:25:53,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 22:25:53,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 22:25:53,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 22:25:53,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 22:25:53,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 22:25:53,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 22:25:53,662 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 22:25:53,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 22:25:53,662 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 22:25:53,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 22:25:53,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 22:25:53,663 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 22:25:53,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 22:25:53,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 22:25:53,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 22:25:53,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 22:25:53,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 22:25:53,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 22:25:53,666 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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: Use separate solver for trace checks -> true [2020-07-08 22:25:53,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 22:25:53,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 22:25:53,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 22:25:53,955 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 22:25:53,956 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 22:25:53,956 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2020-07-08 22:25:54,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/863da9ac3/5c08ba1c892340b39c7d9916baaf344e/FLAG2fbcd0b4a [2020-07-08 22:25:54,615 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 22:25:54,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2020-07-08 22:25:54,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/863da9ac3/5c08ba1c892340b39c7d9916baaf344e/FLAG2fbcd0b4a [2020-07-08 22:25:54,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/863da9ac3/5c08ba1c892340b39c7d9916baaf344e [2020-07-08 22:25:54,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 22:25:54,938 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 22:25:54,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 22:25:54,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 22:25:54,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 22:25:54,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:25:54" (1/1) ... [2020-07-08 22:25:54,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ccad675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:25:54, skipping insertion in model container [2020-07-08 22:25:54,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:25:54" (1/1) ... [2020-07-08 22:25:54,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 22:25:55,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 22:25:55,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:25:55,446 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 22:25:55,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:25:55,576 INFO L208 MainTranslator]: Completed translation [2020-07-08 22:25:55,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:25:55 WrapperNode [2020-07-08 22:25:55,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 22:25:55,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 22:25:55,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 22:25:55,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 22:25:55,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:25:55" (1/1) ... [2020-07-08 22:25:55,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:25:55" (1/1) ... [2020-07-08 22:25:55,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:25:55" (1/1) ... [2020-07-08 22:25:55,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:25:55" (1/1) ... [2020-07-08 22:25:55,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:25:55" (1/1) ... [2020-07-08 22:25:55,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:25:55" (1/1) ... [2020-07-08 22:25:55,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:25:55" (1/1) ... [2020-07-08 22:25:55,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 22:25:55,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 22:25:55,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 22:25:55,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 22:25:55,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:25:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 22:25:55,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 22:25:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 22:25:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-08 22:25:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-08 22:25:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-08 22:25:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-07-08 22:25:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2020-07-08 22:25:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2020-07-08 22:25:55,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2020-07-08 22:25:55,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2020-07-08 22:25:55,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 22:25:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 22:25:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-08 22:25:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-08 22:25:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-08 22:25:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-08 22:25:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-08 22:25:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-08 22:25:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-08 22:25:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-08 22:25:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-08 22:25:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-08 22:25:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-08 22:25:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-08 22:25:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-08 22:25:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-08 22:25:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-08 22:25:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-08 22:25:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-08 22:25:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-08 22:25:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-08 22:25:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-08 22:25:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-08 22:25:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-08 22:25:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-08 22:25:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-08 22:25:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-08 22:25:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-08 22:25:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-08 22:25:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-08 22:25:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-08 22:25:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-08 22:25:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-08 22:25:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-08 22:25:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-08 22:25:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-08 22:25:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-08 22:25:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-08 22:25:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-08 22:25:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-08 22:25:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-08 22:25:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-08 22:25:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-08 22:25:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-08 22:25:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-08 22:25:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-08 22:25:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-08 22:25:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-08 22:25:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-08 22:25:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-08 22:25:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-08 22:25:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-08 22:25:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-08 22:25:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-08 22:25:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-08 22:25:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-08 22:25:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-08 22:25:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-08 22:25:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-08 22:25:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-08 22:25:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-08 22:25:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-08 22:25:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-08 22:25:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 22:25:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-08 22:25:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-08 22:25:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-08 22:25:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-08 22:25:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-08 22:25:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-08 22:25:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-08 22:25:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-08 22:25:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-08 22:25:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-08 22:25:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-08 22:25:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-08 22:25:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-08 22:25:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-08 22:25:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-08 22:25:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-08 22:25:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-08 22:25:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-08 22:25:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-08 22:25:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-08 22:25:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-08 22:25:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-08 22:25:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-08 22:25:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-08 22:25:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-08 22:25:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-08 22:25:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-08 22:25:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-08 22:25:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-08 22:25:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-08 22:25:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-08 22:25:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-08 22:25:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-08 22:25:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-08 22:25:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-08 22:25:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-08 22:25:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-08 22:25:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-08 22:25:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-08 22:25:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-08 22:25:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-08 22:25:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-08 22:25:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-08 22:25:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-08 22:25:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-07-08 22:25:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 22:25:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-08 22:25:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 22:25:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2020-07-08 22:25:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2020-07-08 22:25:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-08 22:25:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 22:25:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2020-07-08 22:25:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 22:25:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2020-07-08 22:25:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 22:25:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 22:25:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 22:25:56,205 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-08 22:25:56,555 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 22:25:56,555 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-08 22:25:56,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:25:56 BoogieIcfgContainer [2020-07-08 22:25:56,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 22:25:56,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 22:25:56,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 22:25:56,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 22:25:56,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 10:25:54" (1/3) ... [2020-07-08 22:25:56,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d81754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:25:56, skipping insertion in model container [2020-07-08 22:25:56,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:25:55" (2/3) ... [2020-07-08 22:25:56,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d81754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:25:56, skipping insertion in model container [2020-07-08 22:25:56,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:25:56" (3/3) ... [2020-07-08 22:25:56,568 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse.i [2020-07-08 22:25:56,578 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 22:25:56,585 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 22:25:56,596 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 22:25:56,617 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 22:25:56,617 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 22:25:56,617 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 22:25:56,617 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 22:25:56,618 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 22:25:56,618 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 22:25:56,618 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 22:25:56,618 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 22:25:56,634 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-07-08 22:25:56,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-08 22:25:56,647 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:25:56,649 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:25:56,649 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:25:56,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:25:56,655 INFO L82 PathProgramCache]: Analyzing trace with hash 935667377, now seen corresponding path program 1 times [2020-07-08 22:25:56,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:25:56,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [570160845] [2020-07-08 22:25:56,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:25:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:56,901 INFO L280 TraceCheckUtils]: 0: Hoare triple {123#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {101#true} is VALID [2020-07-08 22:25:56,902 INFO L280 TraceCheckUtils]: 1: Hoare triple {101#true} #valid := #valid[0 := 0]; {101#true} is VALID [2020-07-08 22:25:56,902 INFO L280 TraceCheckUtils]: 2: Hoare triple {101#true} assume 0 < #StackHeapBarrier; {101#true} is VALID [2020-07-08 22:25:56,903 INFO L280 TraceCheckUtils]: 3: Hoare triple {101#true} assume true; {101#true} is VALID [2020-07-08 22:25:56,903 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {101#true} {101#true} #210#return; {101#true} is VALID [2020-07-08 22:25:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:56,948 INFO L280 TraceCheckUtils]: 0: Hoare triple {124#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {101#true} is VALID [2020-07-08 22:25:56,949 INFO L280 TraceCheckUtils]: 1: Hoare triple {101#true} ~data := #in~data; {101#true} is VALID [2020-07-08 22:25:56,949 INFO L280 TraceCheckUtils]: 2: Hoare triple {101#true} ~head~0.base, ~head~0.offset := 0, 0; {101#true} is VALID [2020-07-08 22:25:56,950 INFO L280 TraceCheckUtils]: 3: Hoare triple {101#true} assume !(~len > 0); {101#true} is VALID [2020-07-08 22:25:56,950 INFO L280 TraceCheckUtils]: 4: Hoare triple {101#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {101#true} is VALID [2020-07-08 22:25:56,950 INFO L280 TraceCheckUtils]: 5: Hoare triple {101#true} assume true; {101#true} is VALID [2020-07-08 22:25:56,951 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {101#true} {101#true} #200#return; {101#true} is VALID [2020-07-08 22:25:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:56,965 INFO L280 TraceCheckUtils]: 0: Hoare triple {101#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {101#true} is VALID [2020-07-08 22:25:56,966 INFO L280 TraceCheckUtils]: 1: Hoare triple {101#true} ~index := #in~index; {101#true} is VALID [2020-07-08 22:25:56,966 INFO L280 TraceCheckUtils]: 2: Hoare triple {101#true} assume !(~index > 0); {101#true} is VALID [2020-07-08 22:25:56,967 INFO L280 TraceCheckUtils]: 3: Hoare triple {101#true} SUMMARY for call #t~mem8 := read~int(~head.base, ~head.offset, 4); srcloc: L600-3 {101#true} is VALID [2020-07-08 22:25:56,967 INFO L280 TraceCheckUtils]: 4: Hoare triple {101#true} #res := #t~mem8; {101#true} is VALID [2020-07-08 22:25:56,967 INFO L280 TraceCheckUtils]: 5: Hoare triple {101#true} havoc #t~mem8; {101#true} is VALID [2020-07-08 22:25:56,968 INFO L280 TraceCheckUtils]: 6: Hoare triple {101#true} assume true; {101#true} is VALID [2020-07-08 22:25:56,968 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {101#true} {102#false} #204#return; {102#false} is VALID [2020-07-08 22:25:56,970 INFO L263 TraceCheckUtils]: 0: Hoare triple {101#true} call ULTIMATE.init(); {123#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:25:56,971 INFO L280 TraceCheckUtils]: 1: Hoare triple {123#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {101#true} is VALID [2020-07-08 22:25:56,971 INFO L280 TraceCheckUtils]: 2: Hoare triple {101#true} #valid := #valid[0 := 0]; {101#true} is VALID [2020-07-08 22:25:56,971 INFO L280 TraceCheckUtils]: 3: Hoare triple {101#true} assume 0 < #StackHeapBarrier; {101#true} is VALID [2020-07-08 22:25:56,972 INFO L280 TraceCheckUtils]: 4: Hoare triple {101#true} assume true; {101#true} is VALID [2020-07-08 22:25:56,972 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {101#true} {101#true} #210#return; {101#true} is VALID [2020-07-08 22:25:56,972 INFO L263 TraceCheckUtils]: 6: Hoare triple {101#true} call #t~ret15 := main(); {101#true} is VALID [2020-07-08 22:25:56,973 INFO L280 TraceCheckUtils]: 7: Hoare triple {101#true} ~len~0 := 2; {101#true} is VALID [2020-07-08 22:25:56,973 INFO L280 TraceCheckUtils]: 8: Hoare triple {101#true} ~data~0 := 1; {101#true} is VALID [2020-07-08 22:25:56,975 INFO L263 TraceCheckUtils]: 9: Hoare triple {101#true} call #t~ret11.base, #t~ret11.offset := dll_create(~len~0, ~data~0); {124#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:25:56,976 INFO L280 TraceCheckUtils]: 10: Hoare triple {124#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {101#true} is VALID [2020-07-08 22:25:56,976 INFO L280 TraceCheckUtils]: 11: Hoare triple {101#true} ~data := #in~data; {101#true} is VALID [2020-07-08 22:25:56,976 INFO L280 TraceCheckUtils]: 12: Hoare triple {101#true} ~head~0.base, ~head~0.offset := 0, 0; {101#true} is VALID [2020-07-08 22:25:56,977 INFO L280 TraceCheckUtils]: 13: Hoare triple {101#true} assume !(~len > 0); {101#true} is VALID [2020-07-08 22:25:56,977 INFO L280 TraceCheckUtils]: 14: Hoare triple {101#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {101#true} is VALID [2020-07-08 22:25:56,977 INFO L280 TraceCheckUtils]: 15: Hoare triple {101#true} assume true; {101#true} is VALID [2020-07-08 22:25:56,978 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {101#true} {101#true} #200#return; {101#true} is VALID [2020-07-08 22:25:56,978 INFO L280 TraceCheckUtils]: 17: Hoare triple {101#true} ~s~0.base, ~s~0.offset := #t~ret11.base, #t~ret11.offset; {101#true} is VALID [2020-07-08 22:25:56,978 INFO L280 TraceCheckUtils]: 18: Hoare triple {101#true} havoc #t~ret11.base, #t~ret11.offset; {101#true} is VALID [2020-07-08 22:25:56,979 INFO L280 TraceCheckUtils]: 19: Hoare triple {101#true} havoc ~i~0; {101#true} is VALID [2020-07-08 22:25:56,979 INFO L280 TraceCheckUtils]: 20: Hoare triple {101#true} ~i~0 := ~len~0 - 1; {101#true} is VALID [2020-07-08 22:25:56,980 INFO L280 TraceCheckUtils]: 21: Hoare triple {101#true} assume !true; {102#false} is VALID [2020-07-08 22:25:56,981 INFO L280 TraceCheckUtils]: 22: Hoare triple {102#false} ~i~0 := ~len~0 - 1; {102#false} is VALID [2020-07-08 22:25:56,981 INFO L280 TraceCheckUtils]: 23: Hoare triple {102#false} assume !!(~i~0 <= 0); {102#false} is VALID [2020-07-08 22:25:56,981 INFO L280 TraceCheckUtils]: 24: Hoare triple {102#false} ~expected~0 := ~i~0 + ~len~0; {102#false} is VALID [2020-07-08 22:25:56,982 INFO L263 TraceCheckUtils]: 25: Hoare triple {102#false} call #t~ret14 := dll_get_data_at(~s~0.base, ~s~0.offset, ~i~0); {101#true} is VALID [2020-07-08 22:25:56,982 INFO L280 TraceCheckUtils]: 26: Hoare triple {101#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {101#true} is VALID [2020-07-08 22:25:56,982 INFO L280 TraceCheckUtils]: 27: Hoare triple {101#true} ~index := #in~index; {101#true} is VALID [2020-07-08 22:25:56,983 INFO L280 TraceCheckUtils]: 28: Hoare triple {101#true} assume !(~index > 0); {101#true} is VALID [2020-07-08 22:25:56,983 INFO L280 TraceCheckUtils]: 29: Hoare triple {101#true} SUMMARY for call #t~mem8 := read~int(~head.base, ~head.offset, 4); srcloc: L600-3 {101#true} is VALID [2020-07-08 22:25:56,983 INFO L280 TraceCheckUtils]: 30: Hoare triple {101#true} #res := #t~mem8; {101#true} is VALID [2020-07-08 22:25:56,984 INFO L280 TraceCheckUtils]: 31: Hoare triple {101#true} havoc #t~mem8; {101#true} is VALID [2020-07-08 22:25:56,984 INFO L280 TraceCheckUtils]: 32: Hoare triple {101#true} assume true; {101#true} is VALID [2020-07-08 22:25:56,984 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {101#true} {102#false} #204#return; {102#false} is VALID [2020-07-08 22:25:56,985 INFO L280 TraceCheckUtils]: 34: Hoare triple {102#false} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {102#false} is VALID [2020-07-08 22:25:56,985 INFO L280 TraceCheckUtils]: 35: Hoare triple {102#false} assume ~expected~0 != #t~ret14; {102#false} is VALID [2020-07-08 22:25:56,985 INFO L280 TraceCheckUtils]: 36: Hoare triple {102#false} havoc #t~ret14; {102#false} is VALID [2020-07-08 22:25:56,987 INFO L280 TraceCheckUtils]: 37: Hoare triple {102#false} assume !false; {102#false} is VALID [2020-07-08 22:25:56,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:25:56,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [570160845] [2020-07-08 22:25:56,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:25:56,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 22:25:56,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363357694] [2020-07-08 22:25:57,003 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-07-08 22:25:57,006 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:25:57,010 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 22:25:57,078 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:57,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 22:25:57,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:25:57,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 22:25:57,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 22:25:57,091 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 4 states. [2020-07-08 22:25:58,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:58,308 INFO L93 Difference]: Finished difference Result 225 states and 280 transitions. [2020-07-08 22:25:58,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-08 22:25:58,308 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-07-08 22:25:58,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:25:58,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 22:25:58,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 280 transitions. [2020-07-08 22:25:58,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 22:25:58,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 280 transitions. [2020-07-08 22:25:58,348 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 280 transitions. [2020-07-08 22:25:58,797 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 280 edges. 280 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:58,815 INFO L225 Difference]: With dead ends: 225 [2020-07-08 22:25:58,816 INFO L226 Difference]: Without dead ends: 123 [2020-07-08 22:25:58,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-08 22:25:58,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-08 22:25:58,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 79. [2020-07-08 22:25:58,977 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:25:58,978 INFO L82 GeneralOperation]: Start isEquivalent. First operand 123 states. Second operand 79 states. [2020-07-08 22:25:58,978 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 79 states. [2020-07-08 22:25:58,978 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 79 states. [2020-07-08 22:25:58,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:58,991 INFO L93 Difference]: Finished difference Result 123 states and 135 transitions. [2020-07-08 22:25:58,991 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 135 transitions. [2020-07-08 22:25:58,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:25:58,993 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:25:58,994 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 123 states. [2020-07-08 22:25:58,994 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 123 states. [2020-07-08 22:25:59,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:59,004 INFO L93 Difference]: Finished difference Result 123 states and 135 transitions. [2020-07-08 22:25:59,004 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 135 transitions. [2020-07-08 22:25:59,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:25:59,007 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:25:59,007 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:25:59,007 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:25:59,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-07-08 22:25:59,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2020-07-08 22:25:59,013 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 38 [2020-07-08 22:25:59,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:25:59,014 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2020-07-08 22:25:59,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 22:25:59,014 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 79 states and 84 transitions. [2020-07-08 22:25:59,125 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:59,125 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2020-07-08 22:25:59,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-08 22:25:59,128 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:25:59,128 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:25:59,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 22:25:59,129 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:25:59,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:25:59,129 INFO L82 PathProgramCache]: Analyzing trace with hash 287472295, now seen corresponding path program 1 times [2020-07-08 22:25:59,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:25:59,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1727813717] [2020-07-08 22:25:59,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:25:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:59,291 INFO L280 TraceCheckUtils]: 0: Hoare triple {1008#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {984#true} is VALID [2020-07-08 22:25:59,291 INFO L280 TraceCheckUtils]: 1: Hoare triple {984#true} #valid := #valid[0 := 0]; {984#true} is VALID [2020-07-08 22:25:59,291 INFO L280 TraceCheckUtils]: 2: Hoare triple {984#true} assume 0 < #StackHeapBarrier; {984#true} is VALID [2020-07-08 22:25:59,292 INFO L280 TraceCheckUtils]: 3: Hoare triple {984#true} assume true; {984#true} is VALID [2020-07-08 22:25:59,292 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {984#true} {984#true} #210#return; {984#true} is VALID [2020-07-08 22:25:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:59,322 INFO L280 TraceCheckUtils]: 0: Hoare triple {1009#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {984#true} is VALID [2020-07-08 22:25:59,322 INFO L280 TraceCheckUtils]: 1: Hoare triple {984#true} ~data := #in~data; {984#true} is VALID [2020-07-08 22:25:59,323 INFO L280 TraceCheckUtils]: 2: Hoare triple {984#true} ~head~0.base, ~head~0.offset := 0, 0; {984#true} is VALID [2020-07-08 22:25:59,323 INFO L280 TraceCheckUtils]: 3: Hoare triple {984#true} assume !(~len > 0); {984#true} is VALID [2020-07-08 22:25:59,323 INFO L280 TraceCheckUtils]: 4: Hoare triple {984#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {984#true} is VALID [2020-07-08 22:25:59,323 INFO L280 TraceCheckUtils]: 5: Hoare triple {984#true} assume true; {984#true} is VALID [2020-07-08 22:25:59,325 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {984#true} {991#(<= 2 main_~len~0)} #200#return; {991#(<= 2 main_~len~0)} is VALID [2020-07-08 22:25:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:59,333 INFO L280 TraceCheckUtils]: 0: Hoare triple {984#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {984#true} is VALID [2020-07-08 22:25:59,333 INFO L280 TraceCheckUtils]: 1: Hoare triple {984#true} ~index := #in~index; {984#true} is VALID [2020-07-08 22:25:59,333 INFO L280 TraceCheckUtils]: 2: Hoare triple {984#true} assume !(~index > 0); {984#true} is VALID [2020-07-08 22:25:59,334 INFO L280 TraceCheckUtils]: 3: Hoare triple {984#true} SUMMARY for call #t~mem8 := read~int(~head.base, ~head.offset, 4); srcloc: L600-3 {984#true} is VALID [2020-07-08 22:25:59,334 INFO L280 TraceCheckUtils]: 4: Hoare triple {984#true} #res := #t~mem8; {984#true} is VALID [2020-07-08 22:25:59,334 INFO L280 TraceCheckUtils]: 5: Hoare triple {984#true} havoc #t~mem8; {984#true} is VALID [2020-07-08 22:25:59,335 INFO L280 TraceCheckUtils]: 6: Hoare triple {984#true} assume true; {984#true} is VALID [2020-07-08 22:25:59,335 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {984#true} {985#false} #204#return; {985#false} is VALID [2020-07-08 22:25:59,336 INFO L263 TraceCheckUtils]: 0: Hoare triple {984#true} call ULTIMATE.init(); {1008#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:25:59,337 INFO L280 TraceCheckUtils]: 1: Hoare triple {1008#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {984#true} is VALID [2020-07-08 22:25:59,337 INFO L280 TraceCheckUtils]: 2: Hoare triple {984#true} #valid := #valid[0 := 0]; {984#true} is VALID [2020-07-08 22:25:59,337 INFO L280 TraceCheckUtils]: 3: Hoare triple {984#true} assume 0 < #StackHeapBarrier; {984#true} is VALID [2020-07-08 22:25:59,337 INFO L280 TraceCheckUtils]: 4: Hoare triple {984#true} assume true; {984#true} is VALID [2020-07-08 22:25:59,338 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {984#true} {984#true} #210#return; {984#true} is VALID [2020-07-08 22:25:59,338 INFO L263 TraceCheckUtils]: 6: Hoare triple {984#true} call #t~ret15 := main(); {984#true} is VALID [2020-07-08 22:25:59,339 INFO L280 TraceCheckUtils]: 7: Hoare triple {984#true} ~len~0 := 2; {991#(<= 2 main_~len~0)} is VALID [2020-07-08 22:25:59,340 INFO L280 TraceCheckUtils]: 8: Hoare triple {991#(<= 2 main_~len~0)} ~data~0 := 1; {991#(<= 2 main_~len~0)} is VALID [2020-07-08 22:25:59,341 INFO L263 TraceCheckUtils]: 9: Hoare triple {991#(<= 2 main_~len~0)} call #t~ret11.base, #t~ret11.offset := dll_create(~len~0, ~data~0); {1009#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:25:59,341 INFO L280 TraceCheckUtils]: 10: Hoare triple {1009#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~len := #in~len; {984#true} is VALID [2020-07-08 22:25:59,342 INFO L280 TraceCheckUtils]: 11: Hoare triple {984#true} ~data := #in~data; {984#true} is VALID [2020-07-08 22:25:59,342 INFO L280 TraceCheckUtils]: 12: Hoare triple {984#true} ~head~0.base, ~head~0.offset := 0, 0; {984#true} is VALID [2020-07-08 22:25:59,342 INFO L280 TraceCheckUtils]: 13: Hoare triple {984#true} assume !(~len > 0); {984#true} is VALID [2020-07-08 22:25:59,343 INFO L280 TraceCheckUtils]: 14: Hoare triple {984#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {984#true} is VALID [2020-07-08 22:25:59,343 INFO L280 TraceCheckUtils]: 15: Hoare triple {984#true} assume true; {984#true} is VALID [2020-07-08 22:25:59,344 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {984#true} {991#(<= 2 main_~len~0)} #200#return; {991#(<= 2 main_~len~0)} is VALID [2020-07-08 22:25:59,345 INFO L280 TraceCheckUtils]: 17: Hoare triple {991#(<= 2 main_~len~0)} ~s~0.base, ~s~0.offset := #t~ret11.base, #t~ret11.offset; {991#(<= 2 main_~len~0)} is VALID [2020-07-08 22:25:59,346 INFO L280 TraceCheckUtils]: 18: Hoare triple {991#(<= 2 main_~len~0)} havoc #t~ret11.base, #t~ret11.offset; {991#(<= 2 main_~len~0)} is VALID [2020-07-08 22:25:59,346 INFO L280 TraceCheckUtils]: 19: Hoare triple {991#(<= 2 main_~len~0)} havoc ~i~0; {991#(<= 2 main_~len~0)} is VALID [2020-07-08 22:25:59,347 INFO L280 TraceCheckUtils]: 20: Hoare triple {991#(<= 2 main_~len~0)} ~i~0 := ~len~0 - 1; {999#(<= 1 main_~i~0)} is VALID [2020-07-08 22:25:59,348 INFO L280 TraceCheckUtils]: 21: Hoare triple {999#(<= 1 main_~i~0)} assume !(~i~0 >= 0); {985#false} is VALID [2020-07-08 22:25:59,349 INFO L280 TraceCheckUtils]: 22: Hoare triple {985#false} ~i~0 := ~len~0 - 1; {985#false} is VALID [2020-07-08 22:25:59,349 INFO L280 TraceCheckUtils]: 23: Hoare triple {985#false} assume !!(~i~0 <= 0); {985#false} is VALID [2020-07-08 22:25:59,349 INFO L280 TraceCheckUtils]: 24: Hoare triple {985#false} ~expected~0 := ~i~0 + ~len~0; {985#false} is VALID [2020-07-08 22:25:59,350 INFO L263 TraceCheckUtils]: 25: Hoare triple {985#false} call #t~ret14 := dll_get_data_at(~s~0.base, ~s~0.offset, ~i~0); {984#true} is VALID [2020-07-08 22:25:59,350 INFO L280 TraceCheckUtils]: 26: Hoare triple {984#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset; {984#true} is VALID [2020-07-08 22:25:59,350 INFO L280 TraceCheckUtils]: 27: Hoare triple {984#true} ~index := #in~index; {984#true} is VALID [2020-07-08 22:25:59,350 INFO L280 TraceCheckUtils]: 28: Hoare triple {984#true} assume !(~index > 0); {984#true} is VALID [2020-07-08 22:25:59,351 INFO L280 TraceCheckUtils]: 29: Hoare triple {984#true} SUMMARY for call #t~mem8 := read~int(~head.base, ~head.offset, 4); srcloc: L600-3 {984#true} is VALID [2020-07-08 22:25:59,351 INFO L280 TraceCheckUtils]: 30: Hoare triple {984#true} #res := #t~mem8; {984#true} is VALID [2020-07-08 22:25:59,351 INFO L280 TraceCheckUtils]: 31: Hoare triple {984#true} havoc #t~mem8; {984#true} is VALID [2020-07-08 22:25:59,351 INFO L280 TraceCheckUtils]: 32: Hoare triple {984#true} assume true; {984#true} is VALID [2020-07-08 22:25:59,352 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {984#true} {985#false} #204#return; {985#false} is VALID [2020-07-08 22:25:59,352 INFO L280 TraceCheckUtils]: 34: Hoare triple {985#false} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {985#false} is VALID [2020-07-08 22:25:59,352 INFO L280 TraceCheckUtils]: 35: Hoare triple {985#false} assume ~expected~0 != #t~ret14; {985#false} is VALID [2020-07-08 22:25:59,353 INFO L280 TraceCheckUtils]: 36: Hoare triple {985#false} havoc #t~ret14; {985#false} is VALID [2020-07-08 22:25:59,353 INFO L280 TraceCheckUtils]: 37: Hoare triple {985#false} assume !false; {985#false} is VALID [2020-07-08 22:25:59,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:25:59,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1727813717] [2020-07-08 22:25:59,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:25:59,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 22:25:59,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664554585] [2020-07-08 22:25:59,358 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-07-08 22:25:59,359 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:25:59,359 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 22:25:59,397 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:59,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 22:25:59,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:25:59,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 22:25:59,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 22:25:59,398 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand 6 states. [2020-07-08 22:26:00,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:00,293 INFO L93 Difference]: Finished difference Result 108 states and 120 transitions. [2020-07-08 22:26:00,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-08 22:26:00,293 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-07-08 22:26:00,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:26:00,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 22:26:00,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 120 transitions. [2020-07-08 22:26:00,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 22:26:00,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 120 transitions. [2020-07-08 22:26:00,318 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 120 transitions. [2020-07-08 22:26:00,491 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:00,492 INFO L225 Difference]: With dead ends: 108 [2020-07-08 22:26:00,492 INFO L226 Difference]: Without dead ends: 0 [2020-07-08 22:26:00,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-07-08 22:26:00,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-08 22:26:00,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-08 22:26:00,495 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:26:00,496 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-08 22:26:00,496 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 22:26:00,496 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 22:26:00,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:00,496 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 22:26:00,496 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 22:26:00,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:00,497 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:00,497 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 22:26:00,497 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 22:26:00,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:00,498 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 22:26:00,498 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 22:26:00,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:00,498 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:00,498 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:26:00,498 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:26:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-08 22:26:00,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-08 22:26:00,499 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2020-07-08 22:26:00,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:26:00,499 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-08 22:26:00,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 22:26:00,500 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-08 22:26:00,500 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 22:26:00,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:00,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 22:26:00,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-08 22:26:01,374 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,375 INFO L264 CegarLoopResult]: At program point L608(line 608) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,375 INFO L264 CegarLoopResult]: At program point L609-1(line 609) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,375 INFO L264 CegarLoopResult]: At program point L608-1(line 608) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,375 INFO L264 CegarLoopResult]: At program point L609-2(line 609) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,376 INFO L264 CegarLoopResult]: At program point L606(lines 606 612) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,376 INFO L264 CegarLoopResult]: At program point L608-2(line 608) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,376 INFO L264 CegarLoopResult]: At program point L606-1(lines 606 612) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,376 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,376 INFO L264 CegarLoopResult]: At program point L607-3(lines 607 610) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,376 INFO L264 CegarLoopResult]: At program point dll_update_atENTRY(lines 606 612) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,377 INFO L271 CegarLoopResult]: At program point dll_update_atEXIT(lines 606 612) the Hoare annotation is: true [2020-07-08 22:26:01,377 INFO L271 CegarLoopResult]: At program point dll_update_atFINAL(lines 606 612) the Hoare annotation is: true [2020-07-08 22:26:01,377 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-08 22:26:01,377 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-08 22:26:01,377 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-08 22:26:01,377 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-07-08 22:26:01,377 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-08 22:26:01,378 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2020-07-08 22:26:01,378 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2020-07-08 22:26:01,378 INFO L271 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: true [2020-07-08 22:26:01,378 INFO L271 CegarLoopResult]: At program point L578-1(lines 578 580) the Hoare annotation is: true [2020-07-08 22:26:01,378 INFO L264 CegarLoopResult]: At program point dll_createENTRY(lines 574 591) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,378 INFO L264 CegarLoopResult]: At program point L574(lines 574 591) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,378 INFO L271 CegarLoopResult]: At program point L576-2(lines 576 589) the Hoare annotation is: true [2020-07-08 22:26:01,379 INFO L271 CegarLoopResult]: At program point L576-3(lines 576 589) the Hoare annotation is: true [2020-07-08 22:26:01,379 INFO L271 CegarLoopResult]: At program point dll_createFINAL(lines 574 591) the Hoare annotation is: true [2020-07-08 22:26:01,379 INFO L271 CegarLoopResult]: At program point L585(line 585) the Hoare annotation is: true [2020-07-08 22:26:01,379 INFO L271 CegarLoopResult]: At program point L583(lines 576 589) the Hoare annotation is: true [2020-07-08 22:26:01,379 INFO L271 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: true [2020-07-08 22:26:01,379 INFO L271 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: true [2020-07-08 22:26:01,379 INFO L271 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: true [2020-07-08 22:26:01,380 INFO L271 CegarLoopResult]: At program point L577-1(line 577) the Hoare annotation is: true [2020-07-08 22:26:01,380 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,380 INFO L271 CegarLoopResult]: At program point dll_createEXIT(lines 574 591) the Hoare annotation is: true [2020-07-08 22:26:01,380 INFO L271 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: true [2020-07-08 22:26:01,380 INFO L271 CegarLoopResult]: At program point L588-1(line 588) the Hoare annotation is: true [2020-07-08 22:26:01,380 INFO L271 CegarLoopResult]: At program point L588-2(line 588) the Hoare annotation is: true [2020-07-08 22:26:01,380 INFO L271 CegarLoopResult]: At program point L584(lines 584 586) the Hoare annotation is: true [2020-07-08 22:26:01,380 INFO L271 CegarLoopResult]: At program point L582(line 582) the Hoare annotation is: true [2020-07-08 22:26:01,381 INFO L271 CegarLoopResult]: At program point L578(lines 578 580) the Hoare annotation is: true [2020-07-08 22:26:01,381 INFO L268 CegarLoopResult]: For program point L66-1(line 66) no Hoare annotation was computed. [2020-07-08 22:26:01,381 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-07-08 22:26:01,381 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-07-08 22:26:01,381 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-07-08 22:26:01,381 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-07-08 22:26:01,381 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-07-08 22:26:01,381 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-07-08 22:26:01,382 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-07-08 22:26:01,382 INFO L268 CegarLoopResult]: For program point L71-1(line 71) no Hoare annotation was computed. [2020-07-08 22:26:01,382 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-07-08 22:26:01,382 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-08 22:26:01,382 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-08 22:26:01,382 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-08 22:26:01,382 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-08 22:26:01,382 INFO L271 CegarLoopResult]: At program point L604(line 604) the Hoare annotation is: true [2020-07-08 22:26:01,383 INFO L271 CegarLoopResult]: At program point L604-1(line 604) the Hoare annotation is: true [2020-07-08 22:26:01,383 INFO L271 CegarLoopResult]: At program point L602(line 602) the Hoare annotation is: true [2020-07-08 22:26:01,383 INFO L271 CegarLoopResult]: At program point L601(line 601) the Hoare annotation is: true [2020-07-08 22:26:01,383 INFO L271 CegarLoopResult]: At program point L602-1(line 602) the Hoare annotation is: true [2020-07-08 22:26:01,383 INFO L271 CegarLoopResult]: At program point L601-1(line 601) the Hoare annotation is: true [2020-07-08 22:26:01,383 INFO L271 CegarLoopResult]: At program point L602-2(line 602) the Hoare annotation is: true [2020-07-08 22:26:01,397 INFO L271 CegarLoopResult]: At program point L599(lines 599 605) the Hoare annotation is: true [2020-07-08 22:26:01,398 INFO L271 CegarLoopResult]: At program point L601-2(line 601) the Hoare annotation is: true [2020-07-08 22:26:01,398 INFO L271 CegarLoopResult]: At program point L600-2(lines 600 603) the Hoare annotation is: true [2020-07-08 22:26:01,398 INFO L271 CegarLoopResult]: At program point L600-3(lines 600 603) the Hoare annotation is: true [2020-07-08 22:26:01,398 INFO L271 CegarLoopResult]: At program point dll_get_data_atFINAL(lines 599 605) the Hoare annotation is: true [2020-07-08 22:26:01,398 INFO L271 CegarLoopResult]: At program point dll_get_data_atENTRY(lines 599 605) the Hoare annotation is: true [2020-07-08 22:26:01,398 INFO L271 CegarLoopResult]: At program point dll_get_data_atEXIT(lines 599 605) the Hoare annotation is: true [2020-07-08 22:26:01,398 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 613 632) the Hoare annotation is: true [2020-07-08 22:26:01,398 INFO L264 CegarLoopResult]: At program point L622-2(lines 622 627) the Hoare annotation is: false [2020-07-08 22:26:01,398 INFO L264 CegarLoopResult]: At program point L622-3(line 622) the Hoare annotation is: false [2020-07-08 22:26:01,398 INFO L264 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: (<= 2 main_~len~0) [2020-07-08 22:26:01,399 INFO L264 CegarLoopResult]: At program point L622-4(line 622) the Hoare annotation is: false [2020-07-08 22:26:01,399 INFO L264 CegarLoopResult]: At program point L622-5(lines 622 627) the Hoare annotation is: (and (<= 2 main_~len~0) (<= 1 main_~i~0)) [2020-07-08 22:26:01,399 INFO L271 CegarLoopResult]: At program point L622-6(lines 622 627) the Hoare annotation is: true [2020-07-08 22:26:01,399 INFO L264 CegarLoopResult]: At program point L618-3(line 618) the Hoare annotation is: (<= 2 main_~len~0) [2020-07-08 22:26:01,399 INFO L264 CegarLoopResult]: At program point L618-4(line 618) the Hoare annotation is: (<= 2 main_~len~0) [2020-07-08 22:26:01,399 INFO L264 CegarLoopResult]: At program point L618-5(lines 618 621) the Hoare annotation is: (<= 2 main_~len~0) [2020-07-08 22:26:01,399 INFO L264 CegarLoopResult]: At program point L618-6(lines 618 621) the Hoare annotation is: (<= 2 main_~len~0) [2020-07-08 22:26:01,400 INFO L264 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: false [2020-07-08 22:26:01,400 INFO L264 CegarLoopResult]: At program point L623(line 623) the Hoare annotation is: false [2020-07-08 22:26:01,400 INFO L264 CegarLoopResult]: At program point L619(line 619) the Hoare annotation is: (<= 2 main_~len~0) [2020-07-08 22:26:01,400 INFO L264 CegarLoopResult]: At program point L615(line 615) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,400 INFO L271 CegarLoopResult]: At program point L628(line 628) the Hoare annotation is: true [2020-07-08 22:26:01,400 INFO L264 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: false [2020-07-08 22:26:01,400 INFO L264 CegarLoopResult]: At program point L624-1(line 624) the Hoare annotation is: false [2020-07-08 22:26:01,401 INFO L264 CegarLoopResult]: At program point L624-2(lines 624 626) the Hoare annotation is: false [2020-07-08 22:26:01,401 INFO L264 CegarLoopResult]: At program point L624-3(line 624) the Hoare annotation is: false [2020-07-08 22:26:01,401 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 613 632) the Hoare annotation is: true [2020-07-08 22:26:01,401 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (<= 2 main_~len~0) [2020-07-08 22:26:01,401 INFO L264 CegarLoopResult]: At program point L624-4(line 624) the Hoare annotation is: false [2020-07-08 22:26:01,401 INFO L264 CegarLoopResult]: At program point L620-1(lines 618 621) the Hoare annotation is: (<= 2 main_~len~0) [2020-07-08 22:26:01,401 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,401 INFO L264 CegarLoopResult]: At program point L616-1(line 616) the Hoare annotation is: (<= 2 main_~len~0) [2020-07-08 22:26:01,401 INFO L264 CegarLoopResult]: At program point L616-2(line 616) the Hoare annotation is: (<= 2 main_~len~0) [2020-07-08 22:26:01,402 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) the Hoare annotation is: false [2020-07-08 22:26:01,402 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 613 632) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 22:26:01,402 INFO L264 CegarLoopResult]: At program point L625(lines 613 632) the Hoare annotation is: false [2020-07-08 22:26:01,402 INFO L264 CegarLoopResult]: At program point L617(line 617) the Hoare annotation is: (<= 2 main_~len~0) [2020-07-08 22:26:01,402 INFO L271 CegarLoopResult]: At program point dll_destroyEXIT(lines 592 598) the Hoare annotation is: true [2020-07-08 22:26:01,402 INFO L264 CegarLoopResult]: At program point dll_destroyENTRY(lines 592 598) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-08 22:26:01,403 INFO L271 CegarLoopResult]: At program point L595(line 595) the Hoare annotation is: true [2020-07-08 22:26:01,403 INFO L271 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: true [2020-07-08 22:26:01,403 INFO L271 CegarLoopResult]: At program point L595-1(line 595) the Hoare annotation is: true [2020-07-08 22:26:01,403 INFO L271 CegarLoopResult]: At program point L594-1(line 594) the Hoare annotation is: true [2020-07-08 22:26:01,403 INFO L271 CegarLoopResult]: At program point L594-2(line 594) the Hoare annotation is: true [2020-07-08 22:26:01,403 INFO L271 CegarLoopResult]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2020-07-08 22:26:01,403 INFO L271 CegarLoopResult]: At program point L593-3(lines 592 598) the Hoare annotation is: true [2020-07-08 22:26:01,403 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-08 22:26:01,403 INFO L268 CegarLoopResult]: For program point node_createENTRY(lines 564 573) no Hoare annotation was computed. [2020-07-08 22:26:01,403 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-07-08 22:26:01,404 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-08 22:26:01,404 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-07-08 22:26:01,404 INFO L268 CegarLoopResult]: For program point L566(lines 566 568) no Hoare annotation was computed. [2020-07-08 22:26:01,404 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2020-07-08 22:26:01,404 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-08 22:26:01,404 INFO L268 CegarLoopResult]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2020-07-08 22:26:01,404 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-07-08 22:26:01,404 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 564 573) no Hoare annotation was computed. [2020-07-08 22:26:01,414 WARN L170 areAnnotationChecker]: __bswap_32ENTRY has no Hoare annotation [2020-07-08 22:26:01,415 WARN L170 areAnnotationChecker]: __bswap_64ENTRY has no Hoare annotation [2020-07-08 22:26:01,416 WARN L170 areAnnotationChecker]: node_createENTRY has no Hoare annotation [2020-07-08 22:26:01,417 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-08 22:26:01,417 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-08 22:26:01,419 WARN L170 areAnnotationChecker]: L565 has no Hoare annotation [2020-07-08 22:26:01,420 WARN L170 areAnnotationChecker]: L66-1 has no Hoare annotation [2020-07-08 22:26:01,420 WARN L170 areAnnotationChecker]: L71-1 has no Hoare annotation [2020-07-08 22:26:01,422 WARN L170 areAnnotationChecker]: L565-1 has no Hoare annotation [2020-07-08 22:26:01,423 WARN L170 areAnnotationChecker]: __bswap_32FINAL has no Hoare annotation [2020-07-08 22:26:01,423 WARN L170 areAnnotationChecker]: __bswap_64FINAL has no Hoare annotation [2020-07-08 22:26:01,423 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-08 22:26:01,423 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-08 22:26:01,430 WARN L170 areAnnotationChecker]: L567 has no Hoare annotation [2020-07-08 22:26:01,430 WARN L170 areAnnotationChecker]: L567 has no Hoare annotation [2020-07-08 22:26:01,430 WARN L170 areAnnotationChecker]: L566-1 has no Hoare annotation [2020-07-08 22:26:01,431 WARN L170 areAnnotationChecker]: L569 has no Hoare annotation [2020-07-08 22:26:01,433 WARN L170 areAnnotationChecker]: L570 has no Hoare annotation [2020-07-08 22:26:01,435 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-08 22:26:01,437 WARN L170 areAnnotationChecker]: node_createFINAL has no Hoare annotation [2020-07-08 22:26:01,440 INFO L163 areAnnotationChecker]: CFG has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 22:26:01,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:26:01,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:26:01,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 22:26:01,455 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 22:26:01,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-08 22:26:01,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-08 22:26:01,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:26:01,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:26:01,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:26:01,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:26:01,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:26:01,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:26:01,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 22:26:01,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 22:26:01,457 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-08 22:26:01,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-08 22:26:01,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:26:01,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:26:01,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:26:01,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:26:01,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 10:26:01 BoogieIcfgContainer [2020-07-08 22:26:01,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 22:26:01,464 INFO L168 Benchmark]: Toolchain (without parser) took 6525.13 ms. Allocated memory was 145.2 MB in the beginning and 309.3 MB in the end (delta: 164.1 MB). Free memory was 100.9 MB in the beginning and 268.6 MB in the end (delta: -167.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-08 22:26:01,465 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 145.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 22:26:01,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.00 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 100.7 MB in the beginning and 167.5 MB in the end (delta: -66.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2020-07-08 22:26:01,467 INFO L168 Benchmark]: Boogie Preprocessor took 86.03 ms. Allocated memory is still 203.9 MB. Free memory was 167.5 MB in the beginning and 164.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-07-08 22:26:01,468 INFO L168 Benchmark]: RCFGBuilder took 895.61 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 164.2 MB in the beginning and 209.3 MB in the end (delta: -45.2 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. [2020-07-08 22:26:01,469 INFO L168 Benchmark]: TraceAbstraction took 4900.80 ms. Allocated memory was 237.0 MB in the beginning and 309.3 MB in the end (delta: 72.4 MB). Free memory was 209.3 MB in the beginning and 268.6 MB in the end (delta: -59.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2020-07-08 22:26:01,473 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 145.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 638.00 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 100.7 MB in the beginning and 167.5 MB in the end (delta: -66.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.03 ms. Allocated memory is still 203.9 MB. Free memory was 167.5 MB in the beginning and 164.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 895.61 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 164.2 MB in the beginning and 209.3 MB in the end (delta: -45.2 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4900.80 ms. Allocated memory was 237.0 MB in the beginning and 309.3 MB in the end (delta: 72.4 MB). Free memory was 209.3 MB in the beginning and 268.6 MB in the end (delta: -59.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 630]: 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: 618]: Loop Invariant Derived loop invariant: 2 <= len - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 2 <= len && 1 <= i - InvariantResult [Line: 607]: Loop Invariant [2020-07-08 22:26:01,484 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:26:01,484 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:26:01,484 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 22:26:01,484 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 22:26:01,484 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-08 22:26:01,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-08 22:26:01,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:26:01,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:26:01,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:26:01,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:26:01,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:26:01,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:26:01,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 22:26:01,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 22:26:01,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-08 22:26:01,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-08 22:26:01,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:26:01,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:26:01,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:26:01,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 606]: Procedure Contract for dll_update_at Derived contract for procedure dll_update_at: 1 - ProcedureContractResult [Line: 574]: Procedure Contract for dll_create Derived contract for procedure dll_create: 1 - ProcedureContractResult [Line: 599]: Procedure Contract for dll_get_data_at Derived contract for procedure dll_get_data_at: 1 - ProcedureContractResult [Line: 613]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 592]: Procedure Contract for dll_destroy Derived contract for procedure dll_destroy: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 120 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 143 SDtfs, 246 SDslu, 99 SDs, 0 SdLazy, 253 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=0, 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, 2 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 98 LocationsWithAnnotation, 191 PreInvPairs, 286 NumberOfFragments, 334 HoareAnnotationTreeSize, 191 FomulaSimplifications, 370 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 98 FomulaSimplificationsInter, 272 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 5032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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...