/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:40:06,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:40:06,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:40:06,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 13:40:06,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 13:40:06,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 13:40:06,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 13:40:06,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 13:40:06,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 13:40:06,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 13:40:06,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 13:40:06,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 13:40:06,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:40:06,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:40:06,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:40:06,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:40:06,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:40:06,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:40:06,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:40:06,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:40:06,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:40:06,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:40:06,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:40:06,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:40:06,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 13:40:06,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 13:40:06,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 13:40:06,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 13:40:06,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 13:40:06,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 13:40:06,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 13:40:06,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 13:40:06,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 13:40:06,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 13:40:06,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 13:40:06,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 13:40:06,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 13:40:06,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 13:40:06,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:40:06,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:40:06,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:40:06,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-23 13:40:06,336 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:40:06,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:40:06,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:40:06,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:40:06,340 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:40:06,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:40:06,341 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:40:06,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:40:06,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:40:06,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:40:06,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:40:06,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:40:06,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:40:06,343 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:40:06,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:40:06,343 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:40:06,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:40:06,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:40:06,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:40:06,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:40:06,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:40:06,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:40:06,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:40:06,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:40:06,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:40:06,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:40:06,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:40:06,347 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:40:06,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:40:06,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:40:06,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:40:06,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:40:06,770 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:40:06,771 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:40:06,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2021-02-23 13:40:06,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/005bbad7a/f16902100cce47f7b2845a434fc4ccb0/FLAG7be1c84ec [2021-02-23 13:40:07,526 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:40:07,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2021-02-23 13:40:07,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/005bbad7a/f16902100cce47f7b2845a434fc4ccb0/FLAG7be1c84ec [2021-02-23 13:40:07,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/005bbad7a/f16902100cce47f7b2845a434fc4ccb0 [2021-02-23 13:40:07,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:40:07,833 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:40:07,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:40:07,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:40:07,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:40:07,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:40:07" (1/1) ... [2021-02-23 13:40:07,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123c8496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:40:07, skipping insertion in model container [2021-02-23 13:40:07,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:40:07" (1/1) ... [2021-02-23 13:40:07,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:40:07,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:40:08,281 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i[24473,24486] [2021-02-23 13:40:08,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:40:08,308 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:40:08,376 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i[24473,24486] [2021-02-23 13:40:08,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:40:08,439 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:40:08,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:40:08 WrapperNode [2021-02-23 13:40:08,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:40:08,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:40:08,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:40:08,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:40:08,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:40:08" (1/1) ... [2021-02-23 13:40:08,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:40:08" (1/1) ... [2021-02-23 13:40:08,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:40:08" (1/1) ... [2021-02-23 13:40:08,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:40:08" (1/1) ... [2021-02-23 13:40:08,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:40:08" (1/1) ... [2021-02-23 13:40:08,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:40:08" (1/1) ... [2021-02-23 13:40:08,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:40:08" (1/1) ... [2021-02-23 13:40:08,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:40:08,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:40:08,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:40:08,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:40:08,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:40:08" (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 [2021-02-23 13:40:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:40:08,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:40:08,660 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:40:08,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-23 13:40:08,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-23 13:40:08,660 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-02-23 13:40:08,660 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-02-23 13:40:08,661 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2021-02-23 13:40:08,661 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2021-02-23 13:40:08,661 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2021-02-23 13:40:08,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2021-02-23 13:40:08,662 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:40:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:40:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:40:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 13:40:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 13:40:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:40:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:40:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-23 13:40:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-23 13:40:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-23 13:40:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-23 13:40:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-23 13:40:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-23 13:40:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-23 13:40:08,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-23 13:40:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-23 13:40:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-23 13:40:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-23 13:40:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-23 13:40:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-23 13:40:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-23 13:40:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-23 13:40:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-23 13:40:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-23 13:40:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-23 13:40:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-23 13:40:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-23 13:40:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-23 13:40:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-23 13:40:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-23 13:40:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-23 13:40:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-23 13:40:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-23 13:40:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-23 13:40:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-23 13:40:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-23 13:40:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-23 13:40:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-23 13:40:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-23 13:40:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-23 13:40:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-23 13:40:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-23 13:40:08,670 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-23 13:40:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-23 13:40:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-23 13:40:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-23 13:40:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-23 13:40:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-23 13:40:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-23 13:40:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-23 13:40:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-23 13:40:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-23 13:40:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-23 13:40:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-23 13:40:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-23 13:40:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-23 13:40:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-23 13:40:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-23 13:40:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-23 13:40:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 13:40:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 13:40:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-23 13:40:08,676 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 13:40:08,676 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-23 13:40:08,676 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-23 13:40:08,676 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-23 13:40:08,676 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-23 13:40:08,677 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-23 13:40:08,677 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-23 13:40:08,677 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-23 13:40:08,677 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-23 13:40:08,678 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 13:40:08,678 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-23 13:40:08,679 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-23 13:40:08,679 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-23 13:40:08,679 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-23 13:40:08,679 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-23 13:40:08,680 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-23 13:40:08,680 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-23 13:40:08,680 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-23 13:40:08,680 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-23 13:40:08,680 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-23 13:40:08,680 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-23 13:40:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-23 13:40:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-23 13:40:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-23 13:40:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-23 13:40:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-23 13:40:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-23 13:40:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-23 13:40:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-23 13:40:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-23 13:40:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-23 13:40:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-23 13:40:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-23 13:40:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-23 13:40:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-23 13:40:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-23 13:40:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-23 13:40:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-23 13:40:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-23 13:40:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-23 13:40:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-23 13:40:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-23 13:40:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-23 13:40:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-23 13:40:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-23 13:40:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-23 13:40:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-23 13:40:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-23 13:40:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-23 13:40:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-02-23 13:40:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-02-23 13:40:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 13:40:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 13:40:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:40:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2021-02-23 13:40:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2021-02-23 13:40:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 13:40:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:40:08,691 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2021-02-23 13:40:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:40:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2021-02-23 13:40:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:40:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:40:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:40:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:40:09,067 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2021-02-23 13:40:09,316 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:40:09,316 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-02-23 13:40:09,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:40:09 BoogieIcfgContainer [2021-02-23 13:40:09,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:40:09,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:40:09,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:40:09,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:40:09,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:40:07" (1/3) ... [2021-02-23 13:40:09,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e97a801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:40:09, skipping insertion in model container [2021-02-23 13:40:09,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:40:08" (2/3) ... [2021-02-23 13:40:09,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e97a801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:40:09, skipping insertion in model container [2021-02-23 13:40:09,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:40:09" (3/3) ... [2021-02-23 13:40:09,333 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse.i [2021-02-23 13:40:09,341 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:40:09,347 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 13:40:09,367 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 13:40:09,401 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:40:09,402 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:40:09,402 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:40:09,402 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:40:09,402 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:40:09,402 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:40:09,403 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:40:09,403 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:40:09,420 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2021-02-23 13:40:09,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-02-23 13:40:09,427 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:40:09,428 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] [2021-02-23 13:40:09,429 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:40:09,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:40:09,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1957040159, now seen corresponding path program 1 times [2021-02-23 13:40:09,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:40:09,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066317837] [2021-02-23 13:40:09,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:40:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:09,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:09,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:09,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:09,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:09,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:40:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:09,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:09,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:09,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:40:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:09,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:09,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:09,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-02-23 13:40:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:09,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:09,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:09,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:40:09,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066317837] [2021-02-23 13:40:09,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:40:09,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:40:09,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041402745] [2021-02-23 13:40:09,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:40:09,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:40:09,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:40:09,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:40:09,756 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 4 states. [2021-02-23 13:40:10,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:40:10,102 INFO L93 Difference]: Finished difference Result 123 states and 178 transitions. [2021-02-23 13:40:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:40:10,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2021-02-23 13:40:10,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:40:10,115 INFO L225 Difference]: With dead ends: 123 [2021-02-23 13:40:10,115 INFO L226 Difference]: Without dead ends: 64 [2021-02-23 13:40:10,119 INFO L677 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 [2021-02-23 13:40:10,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-02-23 13:40:10,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 38. [2021-02-23 13:40:10,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-02-23 13:40:10,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2021-02-23 13:40:10,171 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 25 [2021-02-23 13:40:10,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:40:10,172 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2021-02-23 13:40:10,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:40:10,172 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2021-02-23 13:40:10,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-02-23 13:40:10,174 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:40:10,174 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] [2021-02-23 13:40:10,174 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 13:40:10,174 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:40:10,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:40:10,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1053461126, now seen corresponding path program 1 times [2021-02-23 13:40:10,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:40:10,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150332681] [2021-02-23 13:40:10,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:40:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:10,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:10,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:10,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:10,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:10,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:10,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:10,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:40:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:10,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:10,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:10,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:40:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:10,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:10,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:10,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:10,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:10,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-02-23 13:40:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:10,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:10,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:40:10,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150332681] [2021-02-23 13:40:10,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:40:10,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 13:40:10,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545337236] [2021-02-23 13:40:10,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 13:40:10,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:40:10,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 13:40:10,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-23 13:40:10,344 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 7 states. [2021-02-23 13:40:10,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:40:10,582 INFO L93 Difference]: Finished difference Result 68 states and 78 transitions. [2021-02-23 13:40:10,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 13:40:10,582 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2021-02-23 13:40:10,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:40:10,584 INFO L225 Difference]: With dead ends: 68 [2021-02-23 13:40:10,584 INFO L226 Difference]: Without dead ends: 43 [2021-02-23 13:40:10,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-02-23 13:40:10,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-02-23 13:40:10,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2021-02-23 13:40:10,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-02-23 13:40:10,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2021-02-23 13:40:10,607 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 25 [2021-02-23 13:40:10,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:40:10,607 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2021-02-23 13:40:10,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 13:40:10,607 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2021-02-23 13:40:10,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-02-23 13:40:10,608 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:40:10,609 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] [2021-02-23 13:40:10,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 13:40:10,614 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:40:10,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:40:10,615 INFO L82 PathProgramCache]: Analyzing trace with hash -524940760, now seen corresponding path program 1 times [2021-02-23 13:40:10,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:40:10,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145116235] [2021-02-23 13:40:10,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:40:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:10,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:10,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:10,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:10,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:10,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:40:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:10,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:10,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:10,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:40:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:10,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:10,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:40:10,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:10,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:10,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-02-23 13:40:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:10,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:10,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:10,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:40:10,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145116235] [2021-02-23 13:40:10,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:40:10,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 13:40:10,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157529316] [2021-02-23 13:40:10,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 13:40:10,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:40:10,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 13:40:10,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:40:10,790 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 5 states. [2021-02-23 13:40:10,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:40:10,958 INFO L93 Difference]: Finished difference Result 73 states and 84 transitions. [2021-02-23 13:40:10,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 13:40:10,959 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-02-23 13:40:10,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:40:10,960 INFO L225 Difference]: With dead ends: 73 [2021-02-23 13:40:10,960 INFO L226 Difference]: Without dead ends: 43 [2021-02-23 13:40:10,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-02-23 13:40:10,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-02-23 13:40:10,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2021-02-23 13:40:10,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2021-02-23 13:40:10,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2021-02-23 13:40:10,969 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 30 [2021-02-23 13:40:10,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:40:10,969 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2021-02-23 13:40:10,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 13:40:10,969 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2021-02-23 13:40:10,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-02-23 13:40:10,970 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:40:10,970 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] [2021-02-23 13:40:10,971 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 13:40:10,971 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:40:10,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:40:10,971 INFO L82 PathProgramCache]: Analyzing trace with hash 2081082794, now seen corresponding path program 1 times [2021-02-23 13:40:10,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:40:10,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474547541] [2021-02-23 13:40:10,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:40:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:11,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:40:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:11,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:40:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:11,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 13:40:11,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-02-23 13:40:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:11,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:40:11,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474547541] [2021-02-23 13:40:11,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654886540] [2021-02-23 13:40:11,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-23 13:40:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:11,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 5 conjunts are in the unsatisfiable core [2021-02-23 13:40:11,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-23 13:40:11,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:40:11,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:40:11,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:40:11,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:40:11,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:40:11,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:40:11,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:40:11,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:40:11,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:40:11,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:40:11,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:40:11,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:40:11,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 13:40:11,478 WARN L141 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-02-23 13:40:11,479 WARN L147 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size 9 [2021-02-23 13:40:11,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:40:11,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:40:11,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:40:11,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 13:40:11,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:40:11,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:40:11,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:40:11,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 13:40:11,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:40:11,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:40:11,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:40:11,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 13:40:11,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 13:40:11,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 13:40:11,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:11,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:11,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:40:11,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-23 13:40:11,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 10 [2021-02-23 13:40:11,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803026093] [2021-02-23 13:40:11,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 13:40:11,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:40:11,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 13:40:11,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-02-23 13:40:11,574 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand 10 states. [2021-02-23 13:40:11,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:40:11,836 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2021-02-23 13:40:11,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 13:40:11,836 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2021-02-23 13:40:11,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:40:11,837 INFO L225 Difference]: With dead ends: 73 [2021-02-23 13:40:11,837 INFO L226 Difference]: Without dead ends: 48 [2021-02-23 13:40:11,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-02-23 13:40:11,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-02-23 13:40:11,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2021-02-23 13:40:11,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2021-02-23 13:40:11,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2021-02-23 13:40:11,846 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 30 [2021-02-23 13:40:11,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:40:11,846 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2021-02-23 13:40:11,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 13:40:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2021-02-23 13:40:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-02-23 13:40:11,847 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:40:11,848 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:40:12,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-23 13:40:12,062 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:40:12,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:40:12,063 INFO L82 PathProgramCache]: Analyzing trace with hash 2106989956, now seen corresponding path program 1 times [2021-02-23 13:40:12,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:40:12,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574684941] [2021-02-23 13:40:12,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:40:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:12,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:12,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:12,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:12,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 13:40:12,106 WARN L141 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size [2021-02-23 13:40:12,106 WARN L147 QuantifierPusher]: treesize reduction 2, result has 81.8 percent of original size 9 [2021-02-23 13:40:12,117 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-23 13:40:12,120 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-23 13:40:12,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:12,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:12,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:40:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:12,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:12,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:12,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:40:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:12,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:12,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:12,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 13:40:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:40:12,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:40:12,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:40:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-02-23 13:40:12,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574684941] [2021-02-23 13:40:12,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:40:12,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 13:40:12,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216184447] [2021-02-23 13:40:12,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 13:40:12,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:40:12,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 13:40:12,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:40:12,215 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand 6 states. [2021-02-23 13:40:12,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:40:12,370 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2021-02-23 13:40:12,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 13:40:12,371 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2021-02-23 13:40:12,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:40:12,371 INFO L225 Difference]: With dead ends: 49 [2021-02-23 13:40:12,371 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 13:40:12,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-02-23 13:40:12,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 13:40:12,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 13:40:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 13:40:12,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 13:40:12,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2021-02-23 13:40:12,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:40:12,373 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 13:40:12,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 13:40:12,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 13:40:12,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 13:40:12,374 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 13:40:12,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 13:40:12,644 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-02-23 13:40:12,644 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-02-23 13:40:12,644 INFO L189 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-02-23 13:40:12,645 INFO L185 CegarLoopUtils]: At program point dll_update_atENTRY(lines 617 623) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 13:40:12,645 INFO L189 CegarLoopUtils]: For program point dll_update_atEXIT(lines 617 623) no Hoare annotation was computed. [2021-02-23 13:40:12,645 INFO L185 CegarLoopUtils]: At program point L618-2(lines 618 621) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-23 13:40:12,645 INFO L189 CegarLoopUtils]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2021-02-23 13:40:12,645 INFO L189 CegarLoopUtils]: For program point dll_update_atFINAL(lines 617 623) no Hoare annotation was computed. [2021-02-23 13:40:12,645 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:40:12,645 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-23 13:40:12,645 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:40:12,646 INFO L192 CegarLoopUtils]: At program point myexitENTRY(lines 572 574) the Hoare annotation is: true [2021-02-23 13:40:12,646 INFO L192 CegarLoopUtils]: At program point L573(line 573) the Hoare annotation is: true [2021-02-23 13:40:12,646 INFO L189 CegarLoopUtils]: For program point myexitEXIT(lines 572 574) no Hoare annotation was computed. [2021-02-23 13:40:12,646 INFO L185 CegarLoopUtils]: At program point dll_createENTRY(lines 585 602) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-23 13:40:12,646 INFO L189 CegarLoopUtils]: For program point dll_createFINAL(lines 585 602) no Hoare annotation was computed. [2021-02-23 13:40:12,646 INFO L189 CegarLoopUtils]: For program point L595(lines 595 597) no Hoare annotation was computed. [2021-02-23 13:40:12,646 INFO L189 CegarLoopUtils]: For program point L595-2(lines 595 597) no Hoare annotation was computed. [2021-02-23 13:40:12,647 INFO L189 CegarLoopUtils]: For program point L589(lines 589 591) no Hoare annotation was computed. [2021-02-23 13:40:12,647 INFO L189 CegarLoopUtils]: For program point L589-1(lines 589 591) no Hoare annotation was computed. [2021-02-23 13:40:12,647 INFO L192 CegarLoopUtils]: At program point L587-2(lines 587 600) the Hoare annotation is: true [2021-02-23 13:40:12,647 INFO L189 CegarLoopUtils]: For program point L587-3(lines 587 600) no Hoare annotation was computed. [2021-02-23 13:40:12,647 INFO L189 CegarLoopUtils]: For program point dll_createEXIT(lines 585 602) no Hoare annotation was computed. [2021-02-23 13:40:12,647 INFO L192 CegarLoopUtils]: At program point L590(line 590) the Hoare annotation is: true [2021-02-23 13:40:12,647 INFO L189 CegarLoopUtils]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2021-02-23 13:40:12,647 INFO L189 CegarLoopUtils]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2021-02-23 13:40:12,647 INFO L189 CegarLoopUtils]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2021-02-23 13:40:12,648 INFO L189 CegarLoopUtils]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2021-02-23 13:40:12,648 INFO L189 CegarLoopUtils]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2021-02-23 13:40:12,648 INFO L189 CegarLoopUtils]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2021-02-23 13:40:12,648 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:40:12,648 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 13:40:12,648 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 13:40:12,648 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:40:12,648 INFO L192 CegarLoopUtils]: At program point L611-2(lines 611 614) the Hoare annotation is: true [2021-02-23 13:40:12,648 INFO L189 CegarLoopUtils]: For program point L611-3(lines 611 614) no Hoare annotation was computed. [2021-02-23 13:40:12,648 INFO L189 CegarLoopUtils]: For program point dll_get_data_atFINAL(lines 610 616) no Hoare annotation was computed. [2021-02-23 13:40:12,648 INFO L192 CegarLoopUtils]: At program point dll_get_data_atENTRY(lines 610 616) the Hoare annotation is: true [2021-02-23 13:40:12,649 INFO L189 CegarLoopUtils]: For program point dll_get_data_atEXIT(lines 610 616) no Hoare annotation was computed. [2021-02-23 13:40:12,649 INFO L185 CegarLoopUtils]: At program point L636(lines 624 643) the Hoare annotation is: false [2021-02-23 13:40:12,649 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 624 643) no Hoare annotation was computed. [2021-02-23 13:40:12,649 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 624 643) no Hoare annotation was computed. [2021-02-23 13:40:12,649 INFO L189 CegarLoopUtils]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 641) no Hoare annotation was computed. [2021-02-23 13:40:12,649 INFO L189 CegarLoopUtils]: For program point L639(line 639) no Hoare annotation was computed. [2021-02-23 13:40:12,649 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 624 643) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-23 13:40:12,650 INFO L185 CegarLoopUtils]: At program point L635(line 635) the Hoare annotation is: false [2021-02-23 13:40:12,650 INFO L189 CegarLoopUtils]: For program point L635-1(line 635) no Hoare annotation was computed. [2021-02-23 13:40:12,650 INFO L189 CegarLoopUtils]: For program point L635-2(lines 635 637) no Hoare annotation was computed. [2021-02-23 13:40:12,650 INFO L185 CegarLoopUtils]: At program point L631(line 631) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 13:40:12,650 INFO L189 CegarLoopUtils]: For program point L633-2(lines 633 638) no Hoare annotation was computed. [2021-02-23 13:40:12,650 INFO L189 CegarLoopUtils]: For program point L631-1(lines 629 632) no Hoare annotation was computed. [2021-02-23 13:40:12,650 INFO L185 CegarLoopUtils]: At program point L633-3(lines 633 638) the Hoare annotation is: (and (= main_~len~0 2) (<= main_~len~0 (+ main_~i~0 1))) [2021-02-23 13:40:12,650 INFO L192 CegarLoopUtils]: At program point L633-4(lines 633 638) the Hoare annotation is: true [2021-02-23 13:40:12,651 INFO L185 CegarLoopUtils]: At program point L627(line 627) the Hoare annotation is: (and (= main_~len~0 2) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-02-23 13:40:12,651 INFO L185 CegarLoopUtils]: At program point L629-2(lines 629 632) the Hoare annotation is: (= main_~len~0 2) [2021-02-23 13:40:12,651 INFO L189 CegarLoopUtils]: For program point L627-1(line 627) no Hoare annotation was computed. [2021-02-23 13:40:12,651 INFO L189 CegarLoopUtils]: For program point L629-3(lines 629 632) no Hoare annotation was computed. [2021-02-23 13:40:12,651 INFO L189 CegarLoopUtils]: For program point dll_destroyEXIT(lines 603 609) no Hoare annotation was computed. [2021-02-23 13:40:12,651 INFO L185 CegarLoopUtils]: At program point dll_destroyENTRY(lines 603 609) the Hoare annotation is: (= |old(#valid)| |#valid|) [2021-02-23 13:40:12,651 INFO L192 CegarLoopUtils]: At program point L604-2(lines 604 608) the Hoare annotation is: true [2021-02-23 13:40:12,651 INFO L189 CegarLoopUtils]: For program point L604-3(lines 603 609) no Hoare annotation was computed. [2021-02-23 13:40:12,651 INFO L189 CegarLoopUtils]: For program point L577(lines 577 579) no Hoare annotation was computed. [2021-02-23 13:40:12,651 INFO L189 CegarLoopUtils]: For program point L577-1(lines 577 579) no Hoare annotation was computed. [2021-02-23 13:40:12,652 INFO L189 CegarLoopUtils]: For program point node_createENTRY(lines 575 584) no Hoare annotation was computed. [2021-02-23 13:40:12,652 INFO L189 CegarLoopUtils]: For program point node_createFINAL(lines 575 584) no Hoare annotation was computed. [2021-02-23 13:40:12,652 INFO L189 CegarLoopUtils]: For program point node_createEXIT(lines 575 584) no Hoare annotation was computed. [2021-02-23 13:40:12,652 INFO L189 CegarLoopUtils]: For program point L578(line 578) no Hoare annotation was computed. [2021-02-23 13:40:12,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 13:40:12,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 13:40:12,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 13:40:12,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 13:40:12,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 13:40:12,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 13:40:12,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 13:40:12,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 13:40:12,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:40:12 BoogieIcfgContainer [2021-02-23 13:40:12,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 13:40:12,676 INFO L168 Benchmark]: Toolchain (without parser) took 4851.79 ms. Allocated memory was 155.2 MB in the beginning and 186.6 MB in the end (delta: 31.5 MB). Free memory was 128.2 MB in the beginning and 133.1 MB in the end (delta: -4.9 MB). Peak memory consumption was 101.5 MB. Max. memory is 8.0 GB. [2021-02-23 13:40:12,677 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 155.2 MB. Free memory is still 129.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:40:12,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.70 ms. Allocated memory is still 155.2 MB. Free memory was 127.0 MB in the beginning and 104.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-23 13:40:12,678 INFO L168 Benchmark]: Boogie Preprocessor took 112.56 ms. Allocated memory is still 155.2 MB. Free memory was 104.0 MB in the beginning and 137.1 MB in the end (delta: -33.0 MB). Peak memory consumption was 4.7 MB. Max. memory is 8.0 GB. [2021-02-23 13:40:12,679 INFO L168 Benchmark]: RCFGBuilder took 764.33 ms. Allocated memory is still 155.2 MB. Free memory was 136.5 MB in the beginning and 89.9 MB in the end (delta: 46.7 MB). Peak memory consumption was 46.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:40:12,679 INFO L168 Benchmark]: TraceAbstraction took 3346.30 ms. Allocated memory was 155.2 MB in the beginning and 186.6 MB in the end (delta: 31.5 MB). Free memory was 89.3 MB in the beginning and 133.1 MB in the end (delta: -43.7 MB). Peak memory consumption was 61.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:40:12,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 155.2 MB. Free memory is still 129.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 604.70 ms. Allocated memory is still 155.2 MB. Free memory was 127.0 MB in the beginning and 104.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 112.56 ms. Allocated memory is still 155.2 MB. Free memory was 104.0 MB in the beginning and 137.1 MB in the end (delta: -33.0 MB). Peak memory consumption was 4.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 764.33 ms. Allocated memory is still 155.2 MB. Free memory was 136.5 MB in the beginning and 89.9 MB in the end (delta: 46.7 MB). Peak memory consumption was 46.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3346.30 ms. Allocated memory was 155.2 MB in the beginning and 186.6 MB in the end (delta: 31.5 MB). Free memory was 89.3 MB in the beginning and 133.1 MB in the end (delta: -43.7 MB). Peak memory consumption was 61.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 641]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: len == 2 - InvariantResult [Line: 618]: Loop Invariant [2021-02-23 13:40:12,689 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 13:40:12,689 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 13:40:12,689 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 13:40:12,689 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 13:40:12,689 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 13:40:12,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 13:40:12,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 13:40:12,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: len == 2 && len <= i + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 170 SDtfs, 215 SDslu, 264 SDs, 0 SdLazy, 433 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 35 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 46 PreInvPairs, 60 NumberOfFragments, 126 HoareAnnotationTreeSize, 46 FomulaSimplifications, 20 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 208 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 12911 SizeOfPredicates, 2 NumberOfNonLiveVariables, 169 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 8/10 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...