/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/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:26:19,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:26:19,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:26:19,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 04:26:19,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 04:26:19,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 04:26:19,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 04:26:19,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 04:26:19,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 04:26:19,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 04:26:19,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 04:26:19,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 04:26:19,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:26:19,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:26:19,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:26:19,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:26:19,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:26:19,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:26:19,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:26:19,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:26:19,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:26:19,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:26:19,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:26:19,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:26:19,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 04:26:19,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 04:26:19,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 04:26:19,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 04:26:19,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 04:26:19,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 04:26:19,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 04:26:19,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 04:26:19,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 04:26:19,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 04:26:19,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 04:26:19,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 04:26:19,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 04:26:19,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 04:26:19,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:26:19,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:26:19,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:26:19,566 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:26:19,588 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:26:19,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:26:19,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:26:19,593 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:26:19,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:26:19,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:26:19,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:26:19,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:26:19,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:26:19,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:26:19,596 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:26:19,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:26:19,596 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:26:19,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:26:19,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:26:19,597 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:26:19,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:26:19,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:26:19,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:26:19,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:26:19,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:26:19,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:26:19,599 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:26:19,599 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:26:20,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:26:20,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:26:20,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:26:20,079 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:26:20,080 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:26:20,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_remove_all.i [2021-02-24 04:26:20,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a065473b/7f6b667b10a149d1b56082f3c7939529/FLAG0d9c58469 [2021-02-24 04:26:20,969 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:26:20,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_remove_all.i [2021-02-24 04:26:20,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a065473b/7f6b667b10a149d1b56082f3c7939529/FLAG0d9c58469 [2021-02-24 04:26:21,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a065473b/7f6b667b10a149d1b56082f3c7939529 [2021-02-24 04:26:21,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:26:21,268 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:26:21,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:26:21,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:26:21,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:26:21,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:26:21" (1/1) ... [2021-02-24 04:26:21,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2979ce2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:21, skipping insertion in model container [2021-02-24 04:26:21,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:26:21" (1/1) ... [2021-02-24 04:26:21,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:26:21,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:26:21,841 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/sll2n_remove_all.i[23806,23819] [2021-02-24 04:26:21,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:26:21,856 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:26:21,911 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/sll2n_remove_all.i[23806,23819] [2021-02-24 04:26:21,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:26:22,000 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:26:22,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:22 WrapperNode [2021-02-24 04:26:22,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:26:22,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:26:22,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:26:22,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:26:22,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:22" (1/1) ... [2021-02-24 04:26:22,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:22" (1/1) ... [2021-02-24 04:26:22,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:22" (1/1) ... [2021-02-24 04:26:22,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:22" (1/1) ... [2021-02-24 04:26:22,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:22" (1/1) ... [2021-02-24 04:26:22,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:22" (1/1) ... [2021-02-24 04:26:22,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:22" (1/1) ... [2021-02-24 04:26:22,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:26:22,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:26:22,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:26:22,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:26:22,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:22" (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 [2021-02-24 04:26:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:26:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:26:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:26:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-24 04:26:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-24 04:26:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-02-24 04:26:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-02-24 04:26:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2021-02-24 04:26:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_remove_first [2021-02-24 04:26:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:26:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:26:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:26:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-24 04:26:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-24 04:26:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:26:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:26:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-24 04:26:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-24 04:26:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-24 04:26:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-24 04:26:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-24 04:26:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-24 04:26:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-24 04:26:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-24 04:26:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-24 04:26:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-24 04:26:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-24 04:26:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-24 04:26:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-24 04:26:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-24 04:26:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-24 04:26:22,336 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-24 04:26:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-24 04:26:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-24 04:26:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-24 04:26:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-24 04:26:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-24 04:26:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-24 04:26:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-24 04:26:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-24 04:26:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-24 04:26:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-24 04:26:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-24 04:26:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-24 04:26:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-24 04:26:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-24 04:26:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-24 04:26:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-24 04:26:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-24 04:26:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-24 04:26:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-24 04:26:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-24 04:26:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-24 04:26:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-24 04:26:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-24 04:26:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-24 04:26:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-24 04:26:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-24 04:26:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-24 04:26:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-24 04:26:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-24 04:26:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-24 04:26:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-24 04:26:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-24 04:26:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-24 04:26:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-24 04:26:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-24 04:26:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-24 04:26:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 04:26:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-24 04:26:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-24 04:26:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 04:26:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-24 04:26:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-24 04:26:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-24 04:26:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-24 04:26:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-24 04:26:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-24 04:26:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-24 04:26:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-24 04:26:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:26:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-24 04:26:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-24 04:26:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-24 04:26:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-24 04:26:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-24 04:26:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-24 04:26:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-24 04:26:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-24 04:26:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-24 04:26:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-24 04:26:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-24 04:26:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-24 04:26:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-24 04:26:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-24 04:26:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-24 04:26:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-24 04:26:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-24 04:26:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-24 04:26:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-24 04:26:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-24 04:26:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-24 04:26:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-24 04:26:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-24 04:26:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-24 04:26:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-24 04:26:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-24 04:26:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-24 04:26:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-24 04:26:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-24 04:26:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-24 04:26:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-24 04:26:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-24 04:26:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-24 04:26:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-24 04:26:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-24 04:26:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-24 04:26:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-24 04:26:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-24 04:26:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-24 04:26:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-02-24 04:26:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-02-24 04:26:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 04:26:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 04:26:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:26:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2021-02-24 04:26:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure sll_remove_first [2021-02-24 04:26:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 04:26:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:26:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:26:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-24 04:26:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:26:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:26:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:26:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:26:22,938 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2021-02-24 04:26:23,088 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:26:23,088 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-02-24 04:26:23,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:26:23 BoogieIcfgContainer [2021-02-24 04:26:23,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:26:23,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:26:23,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:26:23,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:26:23,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:26:21" (1/3) ... [2021-02-24 04:26:23,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba50900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:26:23, skipping insertion in model container [2021-02-24 04:26:23,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:22" (2/3) ... [2021-02-24 04:26:23,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba50900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:26:23, skipping insertion in model container [2021-02-24 04:26:23,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:26:23" (3/3) ... [2021-02-24 04:26:23,101 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2n_remove_all.i [2021-02-24 04:26:23,109 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:26:23,115 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:26:23,138 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:26:23,168 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:26:23,168 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:26:23,168 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:26:23,169 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:26:23,169 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:26:23,169 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:26:23,169 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:26:23,170 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:26:23,190 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2021-02-24 04:26:23,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-02-24 04:26:23,203 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:26:23,205 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:26:23,206 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:26:23,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:26:23,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1688631558, now seen corresponding path program 1 times [2021-02-24 04:26:23,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:26:23,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [741599155] [2021-02-24 04:26:23,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:26:23,339 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:26:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:23,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:23,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:23,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:23,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:23,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:26:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:23,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:23,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:23,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-24 04:26:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:23,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:23,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:23,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:23,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:23,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:26:23,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [741599155] [2021-02-24 04:26:23,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:26:23,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 04:26:23,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900057433] [2021-02-24 04:26:23,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 04:26:23,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:26:23,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 04:26:23,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 04:26:23,770 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 4 states. [2021-02-24 04:26:24,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:26:24,058 INFO L93 Difference]: Finished difference Result 122 states and 132 transitions. [2021-02-24 04:26:24,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-24 04:26:24,060 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-02-24 04:26:24,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:26:24,072 INFO L225 Difference]: With dead ends: 122 [2021-02-24 04:26:24,072 INFO L226 Difference]: Without dead ends: 70 [2021-02-24 04:26:24,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 04:26:24,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-02-24 04:26:24,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 65. [2021-02-24 04:26:24,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2021-02-24 04:26:24,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2021-02-24 04:26:24,144 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 31 [2021-02-24 04:26:24,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:26:24,145 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2021-02-24 04:26:24,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 04:26:24,145 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2021-02-24 04:26:24,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-02-24 04:26:24,147 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:26:24,147 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:26:24,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:26:24,148 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:26:24,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:26:24,148 INFO L82 PathProgramCache]: Analyzing trace with hash 2117295844, now seen corresponding path program 1 times [2021-02-24 04:26:24,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:26:24,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1384222571] [2021-02-24 04:26:24,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:26:24,155 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:26:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:24,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:24,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:24,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:24,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:26:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:24,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:24,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-24 04:26:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:24,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:24,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:24,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:26:24,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1384222571] [2021-02-24 04:26:24,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:26:24,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 04:26:24,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037119631] [2021-02-24 04:26:24,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 04:26:24,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:26:24,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 04:26:24,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-24 04:26:24,335 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 7 states. [2021-02-24 04:26:24,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:26:24,802 INFO L93 Difference]: Finished difference Result 102 states and 105 transitions. [2021-02-24 04:26:24,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-24 04:26:24,802 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2021-02-24 04:26:24,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:26:24,805 INFO L225 Difference]: With dead ends: 102 [2021-02-24 04:26:24,805 INFO L226 Difference]: Without dead ends: 73 [2021-02-24 04:26:24,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-02-24 04:26:24,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-02-24 04:26:24,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 66. [2021-02-24 04:26:24,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2021-02-24 04:26:24,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2021-02-24 04:26:24,825 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 31 [2021-02-24 04:26:24,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:26:24,825 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2021-02-24 04:26:24,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 04:26:24,826 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2021-02-24 04:26:24,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-02-24 04:26:24,828 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:26:24,828 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:26:24,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 04:26:24,828 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:26:24,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:26:24,829 INFO L82 PathProgramCache]: Analyzing trace with hash 487225878, now seen corresponding path program 1 times [2021-02-24 04:26:24,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:26:24,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1580421651] [2021-02-24 04:26:24,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:26:24,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:26:24,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:26:24,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 04:26:24,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 04:26:24,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:26:24,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:26:24,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 04:26:24,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 04:26:24,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:26:24,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:26:24,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 04:26:24,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 04:26:24,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:26:24,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:26:24,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:26:24,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 04:26:24,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 04:26:24,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:26:24,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:26:24,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:26:24,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:26:24,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:24,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-02-24 04:26:24,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-02-24 04:26:25,007 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_34|, |v_#memory_int_27|, |v_#memory_$Pointer$.base_34|], 1=[|v_#memory_int_34|]} [2021-02-24 04:26:25,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 04:26:25,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:25,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:25,023 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-24 04:26:25,049 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 04:26:25,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:25,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:25,075 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-24 04:26:25,090 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 04:26:25,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:25,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:25,102 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-24 04:26:25,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 04:26:25,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:25,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:25,127 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-24 04:26:25,136 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:26:25,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 04:26:25,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 04:26:25,144 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-02-24 04:26:25,145 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:84, output treesize:15 [2021-02-24 04:26:25,150 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: cannot bring into simultaneous update form, |v_#memory_$Pointer$.base_34| has neither invar nor outvar in [(= (store |v_#valid_33| v_sll_create_~new_head~0.base_4 1) |v_#valid_32|), (= (+ v_sll_create_~len_6 1) v_sll_create_~len_7), (= (store |v_#memory_$Pointer$.base_30| v_sll_create_~new_head~0.base_4 (store (store (select |v_#memory_$Pointer$.base_30| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) 0) v_sll_create_~new_head~0.offset_4 (select (select |v_#memory_$Pointer$.base_34| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4))) |v_#memory_$Pointer$.base_34|), (= |v_#memory_$Pointer$.base_28| (store |v_#memory_$Pointer$.base_34| v_sll_create_~new_head~0.base_4 (store (select |v_#memory_$Pointer$.base_34| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) v_sll_create_~head~0.base_6))), (= v_sll_create_~new_head~0.offset_4 v_sll_create_~head~0.offset_5), (= v_sll_create_~head~0.base_5 v_sll_create_~new_head~0.base_4), (< v_sll_create_~new_head~0.base_4 |v_#StackHeapBarrier_8|), (= (store |v_#memory_int_34| v_sll_create_~new_head~0.base_4 (let ((.cse0 (+ v_sll_create_~new_head~0.offset_4 4))) (store (store (select |v_#memory_int_34| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4 v_sll_create_~data_5) .cse0 (select (select |v_#memory_int_27| v_sll_create_~new_head~0.base_4) .cse0)))) |v_#memory_int_27|), (< 0 v_sll_create_~len_7), (= (store |v_#memory_$Pointer$.offset_34| v_sll_create_~new_head~0.base_4 (store (select |v_#memory_$Pointer$.offset_34| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) v_sll_create_~head~0.offset_6)) |v_#memory_$Pointer$.offset_28|), (= |v_#memory_int_34| (store |v_#memory_int_29| v_sll_create_~new_head~0.base_4 (let ((.cse0 (+ v_sll_create_~new_head~0.offset_4 4))) (store (select |v_#memory_int_29| v_sll_create_~new_head~0.base_4) .cse0 (select (select |v_#memory_int_34| v_sll_create_~new_head~0.base_4) .cse0))))), (= (store |v_#length_23| v_sll_create_~new_head~0.base_4 8) |v_#length_22|), (= (store |v_#memory_$Pointer$.offset_30| v_sll_create_~new_head~0.base_4 (store (store (select |v_#memory_$Pointer$.offset_30| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) 0) v_sll_create_~new_head~0.offset_4 (select (select |v_#memory_$Pointer$.offset_34| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4))) |v_#memory_$Pointer$.offset_34|), (= v_sll_create_~new_head~0.offset_4 0), (= (select |v_#valid_33| v_sll_create_~new_head~0.base_4) 0), (> v_sll_create_~new_head~0.base_4 0)] at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.computeSubstitutionMapping(SimultaneousUpdate.java:180) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.extractUpdateRhs(SimultaneousUpdate.java:154) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.(SimultaneousUpdate.java:104) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.werner.LoopAcceleratorLite.calculateSymbolicMemory(LoopAcceleratorLite.java:167) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.werner.LoopAcceleratorLite.summarizeLoop(LoopAcceleratorLite.java:105) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorWernerOverapprox.accelerateLoop(AcceleratorWernerOverapprox.java:52) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:183) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-24 04:26:25,155 INFO L168 Benchmark]: Toolchain (without parser) took 3899.75 ms. Allocated memory was 152.0 MB in the beginning and 199.2 MB in the end (delta: 47.2 MB). Free memory was 126.5 MB in the beginning and 119.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 55.4 MB. Max. memory is 8.0 GB. [2021-02-24 04:26:25,156 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 152.0 MB. Free memory is still 127.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:26:25,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.71 ms. Allocated memory is still 152.0 MB. Free memory was 125.3 MB in the beginning and 103.1 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-24 04:26:25,157 INFO L168 Benchmark]: Boogie Preprocessor took 169.25 ms. Allocated memory is still 152.0 MB. Free memory was 135.7 MB in the beginning and 133.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:26:25,158 INFO L168 Benchmark]: RCFGBuilder took 896.11 ms. Allocated memory is still 152.0 MB. Free memory was 133.1 MB in the beginning and 88.0 MB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:26:25,159 INFO L168 Benchmark]: TraceAbstraction took 2060.92 ms. Allocated memory was 152.0 MB in the beginning and 199.2 MB in the end (delta: 47.2 MB). Free memory was 87.5 MB in the beginning and 119.6 MB in the end (delta: -32.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:26:25,162 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 152.0 MB. Free memory is still 127.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 726.71 ms. Allocated memory is still 152.0 MB. Free memory was 125.3 MB in the beginning and 103.1 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 169.25 ms. Allocated memory is still 152.0 MB. Free memory was 135.7 MB in the beginning and 133.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 896.11 ms. Allocated memory is still 152.0 MB. Free memory was 133.1 MB in the beginning and 88.0 MB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2060.92 ms. Allocated memory was 152.0 MB in the beginning and 199.2 MB in the end (delta: 47.2 MB). Free memory was 87.5 MB in the beginning and 119.6 MB in the end (delta: -32.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: cannot bring into simultaneous update form, |v_#memory_$Pointer$.base_34| has neither invar nor outvar in [(= (store |v_#valid_33| v_sll_create_~new_head~0.base_4 1) |v_#valid_32|), (= (+ v_sll_create_~len_6 1) v_sll_create_~len_7), (= (store |v_#memory_$Pointer$.base_30| v_sll_create_~new_head~0.base_4 (store (store (select |v_#memory_$Pointer$.base_30| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) 0) v_sll_create_~new_head~0.offset_4 (select (select |v_#memory_$Pointer$.base_34| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4))) |v_#memory_$Pointer$.base_34|), (= |v_#memory_$Pointer$.base_28| (store |v_#memory_$Pointer$.base_34| v_sll_create_~new_head~0.base_4 (store (select |v_#memory_$Pointer$.base_34| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) v_sll_create_~head~0.base_6))), (= v_sll_create_~new_head~0.offset_4 v_sll_create_~head~0.offset_5), (= v_sll_create_~head~0.base_5 v_sll_create_~new_head~0.base_4), (< v_sll_create_~new_head~0.base_4 |v_#StackHeapBarrier_8|), (= (store |v_#memory_int_34| v_sll_create_~new_head~0.base_4 (let ((.cse0 (+ v_sll_create_~new_head~0.offset_4 4))) (store (store (select |v_#memory_int_34| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4 v_sll_create_~data_5) .cse0 (select (select |v_#memory_int_27| v_sll_create_~new_head~0.base_4) .cse0)))) |v_#memory_int_27|), (< 0 v_sll_create_~len_7), (= (store |v_#memory_$Pointer$.offset_34| v_sll_create_~new_head~0.base_4 (store (select |v_#memory_$Pointer$.offset_34| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) v_sll_create_~head~0.offset_6)) |v_#memory_$Pointer$.offset_28|), (= |v_#memory_int_34| (store |v_#memory_int_29| v_sll_create_~new_head~0.base_4 (let ((.cse0 (+ v_sll_create_~new_head~0.offset_4 4))) (store (select |v_#memory_int_29| v_sll_create_~new_head~0.base_4) .cse0 (select (select |v_#memory_int_34| v_sll_create_~new_head~0.base_4) .cse0))))), (= (store |v_#length_23| v_sll_create_~new_head~0.base_4 8) |v_#length_22|), (= (store |v_#memory_$Pointer$.offset_30| v_sll_create_~new_head~0.base_4 (store (store (select |v_#memory_$Pointer$.offset_30| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) 0) v_sll_create_~new_head~0.offset_4 (select (select |v_#memory_$Pointer$.offset_34| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4))) |v_#memory_$Pointer$.offset_34|), (= v_sll_create_~new_head~0.offset_4 0), (= (select |v_#valid_33| v_sll_create_~new_head~0.base_4) 0), (> v_sll_create_~new_head~0.base_4 0)] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: cannot bring into simultaneous update form, |v_#memory_$Pointer$.base_34| has neither invar nor outvar in [(= (store |v_#valid_33| v_sll_create_~new_head~0.base_4 1) |v_#valid_32|), (= (+ v_sll_create_~len_6 1) v_sll_create_~len_7), (= (store |v_#memory_$Pointer$.base_30| v_sll_create_~new_head~0.base_4 (store (store (select |v_#memory_$Pointer$.base_30| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) 0) v_sll_create_~new_head~0.offset_4 (select (select |v_#memory_$Pointer$.base_34| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4))) |v_#memory_$Pointer$.base_34|), (= |v_#memory_$Pointer$.base_28| (store |v_#memory_$Pointer$.base_34| v_sll_create_~new_head~0.base_4 (store (select |v_#memory_$Pointer$.base_34| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) v_sll_create_~head~0.base_6))), (= v_sll_create_~new_head~0.offset_4 v_sll_create_~head~0.offset_5), (= v_sll_create_~head~0.base_5 v_sll_create_~new_head~0.base_4), (< v_sll_create_~new_head~0.base_4 |v_#StackHeapBarrier_8|), (= (store |v_#memory_int_34| v_sll_create_~new_head~0.base_4 (let ((.cse0 (+ v_sll_create_~new_head~0.offset_4 4))) (store (store (select |v_#memory_int_34| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4 v_sll_create_~data_5) .cse0 (select (select |v_#memory_int_27| v_sll_create_~new_head~0.base_4) .cse0)))) |v_#memory_int_27|), (< 0 v_sll_create_~len_7), (= (store |v_#memory_$Pointer$.offset_34| v_sll_create_~new_head~0.base_4 (store (select |v_#memory_$Pointer$.offset_34| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) v_sll_create_~head~0.offset_6)) |v_#memory_$Pointer$.offset_28|), (= |v_#memory_int_34| (store |v_#memory_int_29| v_sll_create_~new_head~0.base_4 (let ((.cse0 (+ v_sll_create_~new_head~0.offset_4 4))) (store (select |v_#memory_int_29| v_sll_create_~new_head~0.base_4) .cse0 (select (select |v_#memory_int_34| v_sll_create_~new_head~0.base_4) .cse0))))), (= (store |v_#length_23| v_sll_create_~new_head~0.base_4 8) |v_#length_22|), (= (store |v_#memory_$Pointer$.offset_30| v_sll_create_~new_head~0.base_4 (store (store (select |v_#memory_$Pointer$.offset_30| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) 0) v_sll_create_~new_head~0.offset_4 (select (select |v_#memory_$Pointer$.offset_34| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4))) |v_#memory_$Pointer$.offset_34|), (= v_sll_create_~new_head~0.offset_4 0), (= (select |v_#valid_33| v_sll_create_~new_head~0.base_4) 0), (> v_sll_create_~new_head~0.base_4 0)]: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.computeSubstitutionMapping(SimultaneousUpdate.java:180) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...