/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_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:01:27,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:01:27,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:01:27,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 02:01:27,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 02:01:27,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 02:01:27,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 02:01:27,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 02:01:27,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 02:01:27,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 02:01:27,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 02:01:27,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 02:01:27,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:01:27,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:01:27,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:01:27,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:01:27,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:01:27,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:01:27,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:01:27,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:01:27,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:01:27,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:01:27,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:01:27,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:01:27,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 02:01:27,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 02:01:27,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 02:01:27,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 02:01:27,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 02:01:27,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 02:01:27,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 02:01:27,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 02:01:27,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 02:01:27,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 02:01:27,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 02:01:27,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 02:01:27,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 02:01:27,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 02:01:27,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:01:27,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:01:27,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:01:27,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 02:01:27,413 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:01:27,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:01:27,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:01:27,419 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:01:27,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:01:27,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:01:27,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:01:27,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:01:27,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:01:27,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:01:27,421 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:01:27,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:01:27,422 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:01:27,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:01:27,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:01:27,422 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:01:27,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:01:27,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:01:27,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:01:27,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:01:27,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:01:27,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:01:27,424 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:01:27,424 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:01:27,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:01:27,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:01:27,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:01:27,905 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:01:27,906 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:01:27,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2021-02-22 02:01:27,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/351863f78/43304bc269154fcaa661744a4e26ae59/FLAGfb4c86416 [2021-02-22 02:01:28,710 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:01:28,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2021-02-22 02:01:28,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/351863f78/43304bc269154fcaa661744a4e26ae59/FLAGfb4c86416 [2021-02-22 02:01:28,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/351863f78/43304bc269154fcaa661744a4e26ae59 [2021-02-22 02:01:28,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:01:28,999 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:01:29,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:01:29,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:01:29,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:01:29,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:01:28" (1/1) ... [2021-02-22 02:01:29,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48bed186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:29, skipping insertion in model container [2021-02-22 02:01:29,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:01:28" (1/1) ... [2021-02-22 02:01:29,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:01:29,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:01:29,391 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_update_all_reverse.i[24236,24249] [2021-02-22 02:01:29,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:01:29,420 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:01:29,513 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_update_all_reverse.i[24236,24249] [2021-02-22 02:01:29,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:01:29,593 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:01:29,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:29 WrapperNode [2021-02-22 02:01:29,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:01:29,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:01:29,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:01:29,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:01:29,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:29" (1/1) ... [2021-02-22 02:01:29,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:29" (1/1) ... [2021-02-22 02:01:29,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:29" (1/1) ... [2021-02-22 02:01:29,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:29" (1/1) ... [2021-02-22 02:01:29,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:29" (1/1) ... [2021-02-22 02:01:29,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:29" (1/1) ... [2021-02-22 02:01:29,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:29" (1/1) ... [2021-02-22 02:01:29,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:01:29,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:01:29,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:01:29,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:01:29,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:29" (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 [2021-02-22 02:01:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:01:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:01:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:01:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-22 02:01:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-22 02:01:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-02-22 02:01:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-02-22 02:01:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2021-02-22 02:01:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2021-02-22 02:01:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2021-02-22 02:01:29,811 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2021-02-22 02:01:29,811 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:01:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:01:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:01:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 02:01:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 02:01:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:01:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:01:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-22 02:01:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-22 02:01:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-22 02:01:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-22 02:01:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-22 02:01:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-22 02:01:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-22 02:01:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-22 02:01:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-22 02:01:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-22 02:01:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-22 02:01:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-22 02:01:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-22 02:01:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-22 02:01:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-22 02:01:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-22 02:01:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-22 02:01:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-22 02:01:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-22 02:01:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-22 02:01:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-22 02:01:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-22 02:01:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-22 02:01:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-22 02:01:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-22 02:01:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-22 02:01:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-22 02:01:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-22 02:01:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-22 02:01:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-22 02:01:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-22 02:01:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-22 02:01:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-22 02:01:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-22 02:01:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-22 02:01:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-22 02:01:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-22 02:01:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-22 02:01:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-22 02:01:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-22 02:01:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-22 02:01:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-22 02:01:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-22 02:01:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-22 02:01:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-22 02:01:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-22 02:01:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-22 02:01:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-22 02:01:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-22 02:01:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-22 02:01:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-22 02:01:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-22 02:01:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 02:01:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-22 02:01:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-22 02:01:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 02:01:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-22 02:01:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-22 02:01:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-22 02:01:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-22 02:01:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-22 02:01:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-22 02:01:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-22 02:01:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-22 02:01:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:01:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-22 02:01:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-22 02:01:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-22 02:01:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-22 02:01:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-22 02:01:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-22 02:01:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-22 02:01:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-22 02:01:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-22 02:01:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-22 02:01:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-22 02:01:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-22 02:01:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-22 02:01:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-22 02:01:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-22 02:01:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-22 02:01:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-22 02:01:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-22 02:01:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-22 02:01:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-22 02:01:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-22 02:01:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-22 02:01:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-22 02:01:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-22 02:01:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-22 02:01:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-22 02:01:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-22 02:01:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-22 02:01:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-22 02:01:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-22 02:01:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-22 02:01:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-22 02:01:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-22 02:01:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-22 02:01:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-22 02:01:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-22 02:01:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-22 02:01:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-22 02:01:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-22 02:01:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-02-22 02:01:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-02-22 02:01:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 02:01:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 02:01:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:01:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2021-02-22 02:01:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2021-02-22 02:01:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 02:01:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:01:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2021-02-22 02:01:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:01:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2021-02-22 02:01:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:01:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:01:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:01:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:01:30,274 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2021-02-22 02:01:30,503 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:01:30,504 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-02-22 02:01:30,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:01:30 BoogieIcfgContainer [2021-02-22 02:01:30,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:01:30,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:01:30,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:01:30,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:01:30,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:01:28" (1/3) ... [2021-02-22 02:01:30,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21812460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:01:30, skipping insertion in model container [2021-02-22 02:01:30,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:29" (2/3) ... [2021-02-22 02:01:30,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21812460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:01:30, skipping insertion in model container [2021-02-22 02:01:30,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:01:30" (3/3) ... [2021-02-22 02:01:30,517 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2021-02-22 02:01:30,526 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:01:30,534 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:01:30,562 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:01:30,593 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:01:30,594 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:01:30,594 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:01:30,594 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:01:30,594 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:01:30,594 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:01:30,595 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:01:30,595 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:01:30,616 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2021-02-22 02:01:30,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-02-22 02:01:30,631 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:01:30,632 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] [2021-02-22 02:01:30,633 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:01:30,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:01:30,641 INFO L82 PathProgramCache]: Analyzing trace with hash -2073568287, now seen corresponding path program 1 times [2021-02-22 02:01:30,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:01:30,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218078424] [2021-02-22 02:01:30,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:01:30,757 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:01:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:30,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:30,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:30,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:30,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:31,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:01:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:31,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:31,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:31,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-22 02:01:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:31,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:31,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:31,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:31,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:31,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-22 02:01:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:31,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:31,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:31,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:01:31,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218078424] [2021-02-22 02:01:31,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:01:31,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-22 02:01:31,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259732723] [2021-02-22 02:01:31,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-22 02:01:31,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:01:31,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-22 02:01:31,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-22 02:01:31,151 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 4 states. [2021-02-22 02:01:31,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:01:31,761 INFO L93 Difference]: Finished difference Result 235 states and 290 transitions. [2021-02-22 02:01:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-22 02:01:31,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2021-02-22 02:01:31,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:01:31,782 INFO L225 Difference]: With dead ends: 235 [2021-02-22 02:01:31,782 INFO L226 Difference]: Without dead ends: 132 [2021-02-22 02:01:31,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-22 02:01:31,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-02-22 02:01:31,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 88. [2021-02-22 02:01:31,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2021-02-22 02:01:31,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 92 transitions. [2021-02-22 02:01:31,908 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 92 transitions. Word has length 42 [2021-02-22 02:01:31,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:01:31,909 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 92 transitions. [2021-02-22 02:01:31,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-22 02:01:31,909 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2021-02-22 02:01:31,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-02-22 02:01:31,913 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:01:31,914 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] [2021-02-22 02:01:31,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:01:31,914 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:01:31,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:01:31,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1487845686, now seen corresponding path program 1 times [2021-02-22 02:01:31,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:01:31,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [306889283] [2021-02-22 02:01:31,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:01:31,935 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:01:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:32,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:32,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:32,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:32,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:01:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:32,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,142 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:32,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-02-22 02:01:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:32,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:32,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:32,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-22 02:01:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:32,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:32,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:01:32,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [306889283] [2021-02-22 02:01:32,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:01:32,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-22 02:01:32,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453289342] [2021-02-22 02:01:32,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-22 02:01:32,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:01:32,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-22 02:01:32,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-22 02:01:32,231 INFO L87 Difference]: Start difference. First operand 88 states and 92 transitions. Second operand 7 states. [2021-02-22 02:01:32,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:01:32,659 INFO L93 Difference]: Finished difference Result 149 states and 158 transitions. [2021-02-22 02:01:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-22 02:01:32,660 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2021-02-22 02:01:32,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:01:32,664 INFO L225 Difference]: With dead ends: 149 [2021-02-22 02:01:32,664 INFO L226 Difference]: Without dead ends: 96 [2021-02-22 02:01:32,666 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 [2021-02-22 02:01:32,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-02-22 02:01:32,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 89. [2021-02-22 02:01:32,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2021-02-22 02:01:32,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 93 transitions. [2021-02-22 02:01:32,695 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 93 transitions. Word has length 42 [2021-02-22 02:01:32,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:01:32,701 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 93 transitions. [2021-02-22 02:01:32,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-22 02:01:32,701 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 93 transitions. [2021-02-22 02:01:32,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-02-22 02:01:32,712 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:01:32,712 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:01:32,713 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 02:01:32,713 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:01:32,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:01:32,714 INFO L82 PathProgramCache]: Analyzing trace with hash -762840836, now seen corresponding path program 1 times [2021-02-22 02:01:32,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:01:32,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543780908] [2021-02-22 02:01:32,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:01:32,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:32,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:32,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 02:01:32,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 02:01:32,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:32,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:32,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 02:01:32,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 02:01:32,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:32,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:32,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 02:01:32,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 02:01:32,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:32,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:32,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:32,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 02:01:32,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 02:01:32,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:32,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 02:01:32,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:01:32,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:32,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-02-22 02:01:32,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-02-22 02:01:32,936 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_32|, |v_#memory_$Pointer$.offset_32|, |v_#memory_int_28|], 1=[|v_#memory_int_35|]} [2021-02-22 02:01:32,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 02:01:32,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:32,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:32,952 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-22 02:01:32,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 02:01:32,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:32,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:32,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:32,988 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-22 02:01:33,004 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:33,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:33,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 02:01:33,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:33,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:33,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:33,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:33,012 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-22 02:01:33,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:33,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:33,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 02:01:33,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:33,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:33,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:33,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:33,032 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-22 02:01:33,040 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:33,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:33,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:33,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:33,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 02:01:33,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 02:01:33,049 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. [2021-02-22 02:01:33,050 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:84, output treesize:15 [2021-02-22 02:01:33,054 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$.base_32| has neither invar nor outvar in [(= |v_#valid_26| (store |v_#valid_27| v_sll_create_~new_head~0.base_4 1)), (= |v_#memory_int_35| (store |v_#memory_int_30| v_sll_create_~new_head~0.base_4 (let ((.cse0 (+ v_sll_create_~new_head~0.offset_4 4))) (store (select |v_#memory_int_30| v_sll_create_~new_head~0.base_4) .cse0 (select (select |v_#memory_int_35| v_sll_create_~new_head~0.base_4) .cse0))))), (< v_sll_create_~new_head~0.base_4 0), (= (+ v_sll_create_~len_6 1) v_sll_create_~len_7), (= |v_#memory_int_28| (store |v_#memory_int_35| v_sll_create_~new_head~0.base_4 (let ((.cse0 (+ v_sll_create_~new_head~0.offset_4 4))) (store (store (select |v_#memory_int_35| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4 v_sll_create_~data_5) .cse0 (select (select |v_#memory_int_28| v_sll_create_~new_head~0.base_4) .cse0))))), (= |v_#memory_$Pointer$.offset_26| (store |v_#memory_$Pointer$.offset_32| v_sll_create_~new_head~0.base_4 (store (select |v_#memory_$Pointer$.offset_32| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) v_sll_create_~head~0.offset_6))), (= v_sll_create_~new_head~0.offset_4 v_sll_create_~head~0.offset_5), (= v_sll_create_~head~0.base_5 v_sll_create_~new_head~0.base_4), (< 0 v_sll_create_~len_7), (= (store |v_#memory_$Pointer$.offset_28| v_sll_create_~new_head~0.base_4 (store (store (select |v_#memory_$Pointer$.offset_28| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) 0) v_sll_create_~new_head~0.offset_4 (select (select |v_#memory_$Pointer$.offset_32| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4))) |v_#memory_$Pointer$.offset_32|), (= (store |v_#memory_$Pointer$.base_28| v_sll_create_~new_head~0.base_4 (store (store (select |v_#memory_$Pointer$.base_28| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) 0) v_sll_create_~new_head~0.offset_4 (select (select |v_#memory_$Pointer$.base_32| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4))) |v_#memory_$Pointer$.base_32|), (= (select |v_#valid_27| v_sll_create_~new_head~0.base_4) 0), (= |v_#memory_$Pointer$.base_26| (store |v_#memory_$Pointer$.base_32| v_sll_create_~new_head~0.base_4 (store (select |v_#memory_$Pointer$.base_32| 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_#length_20| (store |v_#length_21| v_sll_create_~new_head~0.base_4 8)), (< v_sll_create_~new_head~0.base_4 |v_#StackHeapBarrier_7|), (= v_sll_create_~new_head~0.offset_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) [2021-02-22 02:01:33,060 INFO L168 Benchmark]: Toolchain (without parser) took 4072.14 ms. Allocated memory was 153.1 MB in the beginning and 198.2 MB in the end (delta: 45.1 MB). Free memory was 128.2 MB in the beginning and 160.2 MB in the end (delta: -32.0 MB). Peak memory consumption was 88.9 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:33,060 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 153.1 MB. Free memory is still 126.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:01:33,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.63 ms. Allocated memory is still 153.1 MB. Free memory was 127.2 MB in the beginning and 134.9 MB in the end (delta: -7.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:33,062 INFO L168 Benchmark]: Boogie Preprocessor took 111.38 ms. Allocated memory is still 153.1 MB. Free memory was 134.9 MB in the beginning and 132.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:33,063 INFO L168 Benchmark]: RCFGBuilder took 796.03 ms. Allocated memory is still 153.1 MB. Free memory was 132.4 MB in the beginning and 82.6 MB in the end (delta: 49.8 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:33,064 INFO L168 Benchmark]: TraceAbstraction took 2550.02 ms. Allocated memory was 153.1 MB in the beginning and 198.2 MB in the end (delta: 45.1 MB). Free memory was 82.0 MB in the beginning and 160.2 MB in the end (delta: -78.2 MB). Peak memory consumption was 42.5 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:33,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 153.1 MB. Free memory is still 126.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 595.63 ms. Allocated memory is still 153.1 MB. Free memory was 127.2 MB in the beginning and 134.9 MB in the end (delta: -7.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 111.38 ms. Allocated memory is still 153.1 MB. Free memory was 134.9 MB in the beginning and 132.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 796.03 ms. Allocated memory is still 153.1 MB. Free memory was 132.4 MB in the beginning and 82.6 MB in the end (delta: 49.8 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2550.02 ms. Allocated memory was 153.1 MB in the beginning and 198.2 MB in the end (delta: 45.1 MB). Free memory was 82.0 MB in the beginning and 160.2 MB in the end (delta: -78.2 MB). Peak memory consumption was 42.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: cannot bring into simultaneous update form, |v_#memory_$Pointer$.base_32| has neither invar nor outvar in [(= |v_#valid_26| (store |v_#valid_27| v_sll_create_~new_head~0.base_4 1)), (= |v_#memory_int_35| (store |v_#memory_int_30| v_sll_create_~new_head~0.base_4 (let ((.cse0 (+ v_sll_create_~new_head~0.offset_4 4))) (store (select |v_#memory_int_30| v_sll_create_~new_head~0.base_4) .cse0 (select (select |v_#memory_int_35| v_sll_create_~new_head~0.base_4) .cse0))))), (< v_sll_create_~new_head~0.base_4 0), (= (+ v_sll_create_~len_6 1) v_sll_create_~len_7), (= |v_#memory_int_28| (store |v_#memory_int_35| v_sll_create_~new_head~0.base_4 (let ((.cse0 (+ v_sll_create_~new_head~0.offset_4 4))) (store (store (select |v_#memory_int_35| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4 v_sll_create_~data_5) .cse0 (select (select |v_#memory_int_28| v_sll_create_~new_head~0.base_4) .cse0))))), (= |v_#memory_$Pointer$.offset_26| (store |v_#memory_$Pointer$.offset_32| v_sll_create_~new_head~0.base_4 (store (select |v_#memory_$Pointer$.offset_32| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) v_sll_create_~head~0.offset_6))), (= v_sll_create_~new_head~0.offset_4 v_sll_create_~head~0.offset_5), (= v_sll_create_~head~0.base_5 v_sll_create_~new_head~0.base_4), (< 0 v_sll_create_~len_7), (= (store |v_#memory_$Pointer$.offset_28| v_sll_create_~new_head~0.base_4 (store (store (select |v_#memory_$Pointer$.offset_28| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) 0) v_sll_create_~new_head~0.offset_4 (select (select |v_#memory_$Pointer$.offset_32| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4))) |v_#memory_$Pointer$.offset_32|), (= (store |v_#memory_$Pointer$.base_28| v_sll_create_~new_head~0.base_4 (store (store (select |v_#memory_$Pointer$.base_28| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) 0) v_sll_create_~new_head~0.offset_4 (select (select |v_#memory_$Pointer$.base_32| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4))) |v_#memory_$Pointer$.base_32|), (= (select |v_#valid_27| v_sll_create_~new_head~0.base_4) 0), (= |v_#memory_$Pointer$.base_26| (store |v_#memory_$Pointer$.base_32| v_sll_create_~new_head~0.base_4 (store (select |v_#memory_$Pointer$.base_32| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) v_sll_create_~head~0.base_6))), (= |v_#length_20| (store |v_#length_21| v_sll_create_~new_head~0.base_4 8)), (< v_sll_create_~new_head~0.base_4 |v_#StackHeapBarrier_7|), (= v_sll_create_~new_head~0.offset_4 0)] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: cannot bring into simultaneous update form, |v_#memory_$Pointer$.base_32| has neither invar nor outvar in [(= |v_#valid_26| (store |v_#valid_27| v_sll_create_~new_head~0.base_4 1)), (= |v_#memory_int_35| (store |v_#memory_int_30| v_sll_create_~new_head~0.base_4 (let ((.cse0 (+ v_sll_create_~new_head~0.offset_4 4))) (store (select |v_#memory_int_30| v_sll_create_~new_head~0.base_4) .cse0 (select (select |v_#memory_int_35| v_sll_create_~new_head~0.base_4) .cse0))))), (< v_sll_create_~new_head~0.base_4 0), (= (+ v_sll_create_~len_6 1) v_sll_create_~len_7), (= |v_#memory_int_28| (store |v_#memory_int_35| v_sll_create_~new_head~0.base_4 (let ((.cse0 (+ v_sll_create_~new_head~0.offset_4 4))) (store (store (select |v_#memory_int_35| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4 v_sll_create_~data_5) .cse0 (select (select |v_#memory_int_28| v_sll_create_~new_head~0.base_4) .cse0))))), (= |v_#memory_$Pointer$.offset_26| (store |v_#memory_$Pointer$.offset_32| v_sll_create_~new_head~0.base_4 (store (select |v_#memory_$Pointer$.offset_32| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) v_sll_create_~head~0.offset_6))), (= v_sll_create_~new_head~0.offset_4 v_sll_create_~head~0.offset_5), (= v_sll_create_~head~0.base_5 v_sll_create_~new_head~0.base_4), (< 0 v_sll_create_~len_7), (= (store |v_#memory_$Pointer$.offset_28| v_sll_create_~new_head~0.base_4 (store (store (select |v_#memory_$Pointer$.offset_28| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) 0) v_sll_create_~new_head~0.offset_4 (select (select |v_#memory_$Pointer$.offset_32| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4))) |v_#memory_$Pointer$.offset_32|), (= (store |v_#memory_$Pointer$.base_28| v_sll_create_~new_head~0.base_4 (store (store (select |v_#memory_$Pointer$.base_28| v_sll_create_~new_head~0.base_4) (+ v_sll_create_~new_head~0.offset_4 4) 0) v_sll_create_~new_head~0.offset_4 (select (select |v_#memory_$Pointer$.base_32| v_sll_create_~new_head~0.base_4) v_sll_create_~new_head~0.offset_4))) |v_#memory_$Pointer$.base_32|), (= (select |v_#valid_27| v_sll_create_~new_head~0.base_4) 0), (= |v_#memory_$Pointer$.base_26| (store |v_#memory_$Pointer$.base_32| v_sll_create_~new_head~0.base_4 (store (select |v_#memory_$Pointer$.base_32| 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_#length_20| (store |v_#length_21| v_sll_create_~new_head~0.base_4 8)), (< v_sll_create_~new_head~0.base_4 |v_#StackHeapBarrier_7|), (= v_sll_create_~new_head~0.offset_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...