/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-ext3-properties/dll_nullified-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:26:21,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:26:21,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:26:22,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 04:26:22,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 04:26:22,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 04:26:22,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 04:26:22,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 04:26:22,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 04:26:22,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 04:26:22,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 04:26:22,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 04:26:22,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:26:22,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:26:22,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:26:22,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:26:22,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:26:22,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:26:22,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:26:22,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:26:22,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:26:22,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:26:22,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:26:22,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:26:22,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 04:26:22,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 04:26:22,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 04:26:22,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 04:26:22,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 04:26:22,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 04:26:22,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 04:26:22,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 04:26:22,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 04:26:22,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 04:26:22,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 04:26:22,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 04:26:22,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 04:26:22,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 04:26:22,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:26:22,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:26:22,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:26:22,172 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 04:26:22,196 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:26:22,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:26:22,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:26:22,201 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:26:22,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:26:22,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:26:22,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:26:22,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:26:22,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:26:22,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:26:22,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:26:22,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:26:22,204 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:26:22,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:26:22,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:26:22,205 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:26:22,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:26:22,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:26:22,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:26:22,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:26:22,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:26:22,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:26:22,207 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:26:22,207 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:26:22,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:26:22,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:26:22,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:26:22,655 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:26:22,658 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:26:22,660 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/dll_nullified-1.i [2021-02-24 04:26:22,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2fe4bebe/3c6a6871f51d4e6f87e521ccec650625/FLAG4a582c4d6 [2021-02-24 04:26:23,528 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:26:23,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/dll_nullified-1.i [2021-02-24 04:26:23,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2fe4bebe/3c6a6871f51d4e6f87e521ccec650625/FLAG4a582c4d6 [2021-02-24 04:26:23,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2fe4bebe/3c6a6871f51d4e6f87e521ccec650625 [2021-02-24 04:26:23,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:26:23,752 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:26:23,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:26:23,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:26:23,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:26:23,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:26:23" (1/1) ... [2021-02-24 04:26:23,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1050bb47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:23, skipping insertion in model container [2021-02-24 04:26:23,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:26:23" (1/1) ... [2021-02-24 04:26:23,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:26:23,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:26:24,337 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-ext3-properties/dll_nullified-1.i[24046,24059] [2021-02-24 04:26:24,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:26:24,360 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:26:24,432 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-ext3-properties/dll_nullified-1.i[24046,24059] [2021-02-24 04:26:24,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:26:24,497 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:26:24,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:24 WrapperNode [2021-02-24 04:26:24,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:26:24,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:26:24,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:26:24,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:26:24,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:24" (1/1) ... [2021-02-24 04:26:24,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:24" (1/1) ... [2021-02-24 04:26:24,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:24" (1/1) ... [2021-02-24 04:26:24,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:24" (1/1) ... [2021-02-24 04:26:24,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:24" (1/1) ... [2021-02-24 04:26:24,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:24" (1/1) ... [2021-02-24 04:26:24,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:24" (1/1) ... [2021-02-24 04:26:24,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:26:24,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:26:24,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:26:24,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:26:24,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:24" (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 04:26:24,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:26:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:26:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:26:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-24 04:26:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-24 04:26:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-02-24 04:26:24,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2021-02-24 04:26:24,684 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:26:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:26:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:26:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-24 04:26:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-24 04:26:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:26:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:26:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:26:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-24 04:26:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-24 04:26:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-24 04:26:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-24 04:26:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-24 04:26:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-24 04:26:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-24 04:26:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-24 04:26:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-24 04:26:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-24 04:26:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-24 04:26:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-24 04:26:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-24 04:26:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-24 04:26:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-24 04:26:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-24 04:26:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-24 04:26:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-24 04:26:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-24 04:26:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-24 04:26:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-24 04:26:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-24 04:26:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-24 04:26:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-24 04:26:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-24 04:26:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-24 04:26:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-24 04:26:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-24 04:26:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-24 04:26:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-24 04:26:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-24 04:26:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-24 04:26:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-24 04:26:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-24 04:26:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-24 04:26:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-24 04:26:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-24 04:26:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-24 04:26:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-24 04:26:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-24 04:26:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-24 04:26:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-24 04:26:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-24 04:26:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-24 04:26:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-24 04:26:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-24 04:26:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-24 04:26:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-24 04:26:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-24 04:26:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-24 04:26:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-24 04:26:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-24 04:26:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 04:26:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-24 04:26:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-24 04:26:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 04:26:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-24 04:26:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-24 04:26:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-24 04:26:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-24 04:26:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-24 04:26:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-24 04:26:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-24 04:26:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-24 04:26:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:26:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-24 04:26:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-24 04:26:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-24 04:26:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-24 04:26:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-24 04:26:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-24 04:26:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-24 04:26:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-24 04:26:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-24 04:26:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-24 04:26:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-24 04:26:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-24 04:26:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-24 04:26:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-24 04:26:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-24 04:26:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-24 04:26:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-24 04:26:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-24 04:26:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-24 04:26:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-24 04:26:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-24 04:26:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-24 04:26:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-24 04:26:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-24 04:26:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-24 04:26:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-24 04:26:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-24 04:26:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-24 04:26:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-24 04:26:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-24 04:26:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-24 04:26:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-24 04:26:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-24 04:26:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-24 04:26:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-24 04:26:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-24 04:26:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-24 04:26:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-24 04:26:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-24 04:26:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-02-24 04:26:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2021-02-24 04:26:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 04:26:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:26:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 04:26:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:26:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 04:26:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:26:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:26:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:26:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:26:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:26:25,197 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2021-02-24 04:26:25,378 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:26:25,379 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-02-24 04:26:25,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:26:25 BoogieIcfgContainer [2021-02-24 04:26:25,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:26:25,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:26:25,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:26:25,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:26:25,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:26:23" (1/3) ... [2021-02-24 04:26:25,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2589cd58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:26:25, skipping insertion in model container [2021-02-24 04:26:25,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:26:24" (2/3) ... [2021-02-24 04:26:25,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2589cd58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:26:25, skipping insertion in model container [2021-02-24 04:26:25,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:26:25" (3/3) ... [2021-02-24 04:26:25,392 INFO L111 eAbstractionObserver]: Analyzing ICFG dll_nullified-1.i [2021-02-24 04:26:25,399 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:26:25,405 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:26:25,426 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:26:25,452 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:26:25,452 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:26:25,453 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:26:25,453 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:26:25,453 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:26:25,453 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:26:25,453 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:26:25,454 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:26:25,472 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2021-02-24 04:26:25,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-02-24 04:26:25,485 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:26:25,486 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] [2021-02-24 04:26:25,486 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:26:25,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:26:25,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1014847540, now seen corresponding path program 1 times [2021-02-24 04:26:25,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:26:25,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [283864259] [2021-02-24 04:26:25,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:26:25,594 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:26:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:25,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:25,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:25,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:25,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:26:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:25,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:25,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:26:26,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-24 04:26:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:26:26,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:26,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:26,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:26,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:26:26,109 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 04:26:26,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [283864259] [2021-02-24 04:26:26,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:26:26,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 04:26:26,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607271731] [2021-02-24 04:26:26,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 04:26:26,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:26:26,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 04:26:26,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-24 04:26:26,139 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 7 states. [2021-02-24 04:26:26,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:26:26,571 INFO L93 Difference]: Finished difference Result 195 states and 223 transitions. [2021-02-24 04:26:26,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-24 04:26:26,573 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2021-02-24 04:26:26,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:26:26,583 INFO L225 Difference]: With dead ends: 195 [2021-02-24 04:26:26,583 INFO L226 Difference]: Without dead ends: 116 [2021-02-24 04:26:26,587 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 04:26:26,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-02-24 04:26:26,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 97. [2021-02-24 04:26:26,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2021-02-24 04:26:26,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 106 transitions. [2021-02-24 04:26:26,642 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 106 transitions. Word has length 36 [2021-02-24 04:26:26,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:26:26,643 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 106 transitions. [2021-02-24 04:26:26,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 04:26:26,643 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2021-02-24 04:26:26,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-02-24 04:26:26,646 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:26:26,646 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] [2021-02-24 04:26:26,646 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:26:26,646 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:26:26,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:26:26,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1257517353, now seen corresponding path program 1 times [2021-02-24 04:26:26,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:26:26,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129089747] [2021-02-24 04:26:26,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:26:26,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:26:26,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 261 [2021-02-24 04:26:26,752 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$.base_36| has neither invar nor outvar in [(= v_dll_create_~new_head~0.offset_11 v_dll_create_~head~0.offset_8), (< 0 v_dll_create_~len_9), (<= 0 (+ |v_dll_create_#t~nondet6_6| 2147483648)), (= v_dll_create_~new_head~0.base_11 v_dll_create_~head~0.base_8), (= v_dll_create_~new_head~0.offset_11 |v_dll_create_#t~malloc5.offset_3|), (= (store |v_#length_14| |v_dll_create_#t~malloc5.base_3| 20) |v_#length_13|), (= (store |v_#memory_int_34| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 12))) (store (select |v_#memory_int_34| v_dll_create_~new_head~0.base_11) .cse0 (select (select |v_#memory_int_25| v_dll_create_~new_head~0.base_11) .cse0)))) |v_#memory_int_25|), (= |v_#memory_$Pointer$.base_36| (store |v_#memory_$Pointer$.base_37| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 16))) (store (select |v_#memory_$Pointer$.base_37| v_dll_create_~new_head~0.base_11) .cse0 (select (select |v_#memory_$Pointer$.base_36| v_dll_create_~new_head~0.base_11) .cse0))))), (< |v_dll_create_#t~malloc5.base_3| |v_#StackHeapBarrier_5|), (= |v_#memory_int_34| (store |v_#memory_int_30| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 4))) (store (store (store (store (select |v_#memory_int_30| v_dll_create_~new_head~0.base_11) v_dll_create_~new_head~0.offset_11 0) (+ v_dll_create_~new_head~0.offset_11 8) 0) (+ v_dll_create_~new_head~0.offset_11 16) 1) .cse0 (select (select |v_#memory_int_34| v_dll_create_~new_head~0.base_11) .cse0))))), (< |v_dll_create_#t~malloc5.base_3| 0), (= (store |v_#memory_$Pointer$.offset_35| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 16))) (store (select |v_#memory_$Pointer$.offset_35| v_dll_create_~new_head~0.base_11) .cse0 (select (select |v_#memory_$Pointer$.offset_37| v_dll_create_~new_head~0.base_11) .cse0)))) |v_#memory_$Pointer$.offset_37|), (< v_dll_create_~new_head~0.offset_11 0), (= (select |v_#valid_18| |v_dll_create_#t~malloc5.base_3|) 0), (= (store |v_#memory_$Pointer$.base_35| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 8))) (store (select |v_#memory_$Pointer$.base_35| v_dll_create_~new_head~0.base_11) .cse0 (select (select |v_#memory_$Pointer$.base_37| v_dll_create_~new_head~0.base_11) .cse0)))) |v_#memory_$Pointer$.base_37|), (= v_dll_create_~len_9 |v_dll_create_#t~nondet6_6|), (<= |v_dll_create_#t~nondet6_6| 2147483647), (= (store |v_#valid_18| |v_dll_create_#t~malloc5.base_3| 1) |v_#valid_17|), (= v_dll_create_~head~0.offset_9 0), (= |v_dll_create_#t~malloc5.base_3| v_dll_create_~new_head~0.base_11), (= (store |v_#memory_$Pointer$.offset_37| v_dll_create_~new_head~0.base_11 (store (store (select |v_#memory_$Pointer$.offset_37| v_dll_create_~new_head~0.base_11) (+ v_dll_create_~new_head~0.offset_11 4) v_dll_create_~head~0.offset_9) (+ v_dll_create_~new_head~0.offset_11 12) 0)) |v_#memory_$Pointer$.offset_20|), (= (store |v_#memory_$Pointer$.offset_25| v_dll_create_~new_head~0.base_11 (store (select |v_#memory_$Pointer$.offset_25| v_dll_create_~new_head~0.base_11) v_dll_create_~new_head~0.offset_11 (select (select |v_#memory_$Pointer$.offset_36| v_dll_create_~new_head~0.base_11) v_dll_create_~new_head~0.offset_11))) |v_#memory_$Pointer$.offset_36|), (= |v_dll_create_#t~malloc5.offset_3| 0), (= (store |v_#memory_$Pointer$.base_36| v_dll_create_~new_head~0.base_11 (store (store (select |v_#memory_$Pointer$.base_36| v_dll_create_~new_head~0.base_11) (+ v_dll_create_~new_head~0.offset_11 4) v_dll_create_~head~0.base_9) (+ v_dll_create_~new_head~0.offset_11 12) 0)) |v_#memory_$Pointer$.base_20|), (= v_dll_create_~len_9 (+ v_dll_create_~len_8 1)), (= (store |v_#memory_$Pointer$.offset_36| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 8))) (store (select |v_#memory_$Pointer$.offset_36| v_dll_create_~new_head~0.base_11) .cse0 (select (select |v_#memory_$Pointer$.offset_35| v_dll_create_~new_head~0.base_11) .cse0)))) |v_#memory_$Pointer$.offset_35|), (= v_dll_create_~head~0.base_9 0), (= (store |v_#memory_$Pointer$.base_25| v_dll_create_~new_head~0.base_11 (store (select |v_#memory_$Pointer$.base_25| v_dll_create_~new_head~0.base_11) v_dll_create_~new_head~0.offset_11 (select (select |v_#memory_$Pointer$.base_35| v_dll_create_~new_head~0.base_11) v_dll_create_~new_head~0.offset_11))) |v_#memory_$Pointer$.base_35|)] 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 04:26:26,757 INFO L168 Benchmark]: Toolchain (without parser) took 3017.21 ms. Allocated memory is still 173.0 MB. Free memory was 147.6 MB in the beginning and 66.1 MB in the end (delta: 81.5 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. [2021-02-24 04:26:26,758 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 173.0 MB. Free memory is still 147.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:26:26,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.34 ms. Allocated memory is still 173.0 MB. Free memory was 146.6 MB in the beginning and 124.4 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-24 04:26:26,760 INFO L168 Benchmark]: Boogie Preprocessor took 70.41 ms. Allocated memory is still 173.0 MB. Free memory was 124.4 MB in the beginning and 121.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:26:26,760 INFO L168 Benchmark]: RCFGBuilder took 810.43 ms. Allocated memory is still 173.0 MB. Free memory was 121.7 MB in the beginning and 72.1 MB in the end (delta: 49.6 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. [2021-02-24 04:26:26,761 INFO L168 Benchmark]: TraceAbstraction took 1371.99 ms. Allocated memory is still 173.0 MB. Free memory was 71.6 MB in the beginning and 66.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-02-24 04:26:26,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 173.0 MB. Free memory is still 147.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 740.34 ms. Allocated memory is still 173.0 MB. Free memory was 146.6 MB in the beginning and 124.4 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 70.41 ms. Allocated memory is still 173.0 MB. Free memory was 124.4 MB in the beginning and 121.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 810.43 ms. Allocated memory is still 173.0 MB. Free memory was 121.7 MB in the beginning and 72.1 MB in the end (delta: 49.6 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1371.99 ms. Allocated memory is still 173.0 MB. Free memory was 71.6 MB in the beginning and 66.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: cannot bring into simultaneous update form, |v_#memory_$Pointer$.base_36| has neither invar nor outvar in [(= v_dll_create_~new_head~0.offset_11 v_dll_create_~head~0.offset_8), (< 0 v_dll_create_~len_9), (<= 0 (+ |v_dll_create_#t~nondet6_6| 2147483648)), (= v_dll_create_~new_head~0.base_11 v_dll_create_~head~0.base_8), (= v_dll_create_~new_head~0.offset_11 |v_dll_create_#t~malloc5.offset_3|), (= (store |v_#length_14| |v_dll_create_#t~malloc5.base_3| 20) |v_#length_13|), (= (store |v_#memory_int_34| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 12))) (store (select |v_#memory_int_34| v_dll_create_~new_head~0.base_11) .cse0 (select (select |v_#memory_int_25| v_dll_create_~new_head~0.base_11) .cse0)))) |v_#memory_int_25|), (= |v_#memory_$Pointer$.base_36| (store |v_#memory_$Pointer$.base_37| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 16))) (store (select |v_#memory_$Pointer$.base_37| v_dll_create_~new_head~0.base_11) .cse0 (select (select |v_#memory_$Pointer$.base_36| v_dll_create_~new_head~0.base_11) .cse0))))), (< |v_dll_create_#t~malloc5.base_3| |v_#StackHeapBarrier_5|), (= |v_#memory_int_34| (store |v_#memory_int_30| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 4))) (store (store (store (store (select |v_#memory_int_30| v_dll_create_~new_head~0.base_11) v_dll_create_~new_head~0.offset_11 0) (+ v_dll_create_~new_head~0.offset_11 8) 0) (+ v_dll_create_~new_head~0.offset_11 16) 1) .cse0 (select (select |v_#memory_int_34| v_dll_create_~new_head~0.base_11) .cse0))))), (< |v_dll_create_#t~malloc5.base_3| 0), (= (store |v_#memory_$Pointer$.offset_35| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 16))) (store (select |v_#memory_$Pointer$.offset_35| v_dll_create_~new_head~0.base_11) .cse0 (select (select |v_#memory_$Pointer$.offset_37| v_dll_create_~new_head~0.base_11) .cse0)))) |v_#memory_$Pointer$.offset_37|), (< v_dll_create_~new_head~0.offset_11 0), (= (select |v_#valid_18| |v_dll_create_#t~malloc5.base_3|) 0), (= (store |v_#memory_$Pointer$.base_35| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 8))) (store (select |v_#memory_$Pointer$.base_35| v_dll_create_~new_head~0.base_11) .cse0 (select (select |v_#memory_$Pointer$.base_37| v_dll_create_~new_head~0.base_11) .cse0)))) |v_#memory_$Pointer$.base_37|), (= v_dll_create_~len_9 |v_dll_create_#t~nondet6_6|), (<= |v_dll_create_#t~nondet6_6| 2147483647), (= (store |v_#valid_18| |v_dll_create_#t~malloc5.base_3| 1) |v_#valid_17|), (= v_dll_create_~head~0.offset_9 0), (= |v_dll_create_#t~malloc5.base_3| v_dll_create_~new_head~0.base_11), (= (store |v_#memory_$Pointer$.offset_37| v_dll_create_~new_head~0.base_11 (store (store (select |v_#memory_$Pointer$.offset_37| v_dll_create_~new_head~0.base_11) (+ v_dll_create_~new_head~0.offset_11 4) v_dll_create_~head~0.offset_9) (+ v_dll_create_~new_head~0.offset_11 12) 0)) |v_#memory_$Pointer$.offset_20|), (= (store |v_#memory_$Pointer$.offset_25| v_dll_create_~new_head~0.base_11 (store (select |v_#memory_$Pointer$.offset_25| v_dll_create_~new_head~0.base_11) v_dll_create_~new_head~0.offset_11 (select (select |v_#memory_$Pointer$.offset_36| v_dll_create_~new_head~0.base_11) v_dll_create_~new_head~0.offset_11))) |v_#memory_$Pointer$.offset_36|), (= |v_dll_create_#t~malloc5.offset_3| 0), (= (store |v_#memory_$Pointer$.base_36| v_dll_create_~new_head~0.base_11 (store (store (select |v_#memory_$Pointer$.base_36| v_dll_create_~new_head~0.base_11) (+ v_dll_create_~new_head~0.offset_11 4) v_dll_create_~head~0.base_9) (+ v_dll_create_~new_head~0.offset_11 12) 0)) |v_#memory_$Pointer$.base_20|), (= v_dll_create_~len_9 (+ v_dll_create_~len_8 1)), (= (store |v_#memory_$Pointer$.offset_36| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 8))) (store (select |v_#memory_$Pointer$.offset_36| v_dll_create_~new_head~0.base_11) .cse0 (select (select |v_#memory_$Pointer$.offset_35| v_dll_create_~new_head~0.base_11) .cse0)))) |v_#memory_$Pointer$.offset_35|), (= v_dll_create_~head~0.base_9 0), (= (store |v_#memory_$Pointer$.base_25| v_dll_create_~new_head~0.base_11 (store (select |v_#memory_$Pointer$.base_25| v_dll_create_~new_head~0.base_11) v_dll_create_~new_head~0.offset_11 (select (select |v_#memory_$Pointer$.base_35| v_dll_create_~new_head~0.base_11) v_dll_create_~new_head~0.offset_11))) |v_#memory_$Pointer$.base_35|)] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: cannot bring into simultaneous update form, |v_#memory_$Pointer$.base_36| has neither invar nor outvar in [(= v_dll_create_~new_head~0.offset_11 v_dll_create_~head~0.offset_8), (< 0 v_dll_create_~len_9), (<= 0 (+ |v_dll_create_#t~nondet6_6| 2147483648)), (= v_dll_create_~new_head~0.base_11 v_dll_create_~head~0.base_8), (= v_dll_create_~new_head~0.offset_11 |v_dll_create_#t~malloc5.offset_3|), (= (store |v_#length_14| |v_dll_create_#t~malloc5.base_3| 20) |v_#length_13|), (= (store |v_#memory_int_34| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 12))) (store (select |v_#memory_int_34| v_dll_create_~new_head~0.base_11) .cse0 (select (select |v_#memory_int_25| v_dll_create_~new_head~0.base_11) .cse0)))) |v_#memory_int_25|), (= |v_#memory_$Pointer$.base_36| (store |v_#memory_$Pointer$.base_37| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 16))) (store (select |v_#memory_$Pointer$.base_37| v_dll_create_~new_head~0.base_11) .cse0 (select (select |v_#memory_$Pointer$.base_36| v_dll_create_~new_head~0.base_11) .cse0))))), (< |v_dll_create_#t~malloc5.base_3| |v_#StackHeapBarrier_5|), (= |v_#memory_int_34| (store |v_#memory_int_30| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 4))) (store (store (store (store (select |v_#memory_int_30| v_dll_create_~new_head~0.base_11) v_dll_create_~new_head~0.offset_11 0) (+ v_dll_create_~new_head~0.offset_11 8) 0) (+ v_dll_create_~new_head~0.offset_11 16) 1) .cse0 (select (select |v_#memory_int_34| v_dll_create_~new_head~0.base_11) .cse0))))), (< |v_dll_create_#t~malloc5.base_3| 0), (= (store |v_#memory_$Pointer$.offset_35| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 16))) (store (select |v_#memory_$Pointer$.offset_35| v_dll_create_~new_head~0.base_11) .cse0 (select (select |v_#memory_$Pointer$.offset_37| v_dll_create_~new_head~0.base_11) .cse0)))) |v_#memory_$Pointer$.offset_37|), (< v_dll_create_~new_head~0.offset_11 0), (= (select |v_#valid_18| |v_dll_create_#t~malloc5.base_3|) 0), (= (store |v_#memory_$Pointer$.base_35| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 8))) (store (select |v_#memory_$Pointer$.base_35| v_dll_create_~new_head~0.base_11) .cse0 (select (select |v_#memory_$Pointer$.base_37| v_dll_create_~new_head~0.base_11) .cse0)))) |v_#memory_$Pointer$.base_37|), (= v_dll_create_~len_9 |v_dll_create_#t~nondet6_6|), (<= |v_dll_create_#t~nondet6_6| 2147483647), (= (store |v_#valid_18| |v_dll_create_#t~malloc5.base_3| 1) |v_#valid_17|), (= v_dll_create_~head~0.offset_9 0), (= |v_dll_create_#t~malloc5.base_3| v_dll_create_~new_head~0.base_11), (= (store |v_#memory_$Pointer$.offset_37| v_dll_create_~new_head~0.base_11 (store (store (select |v_#memory_$Pointer$.offset_37| v_dll_create_~new_head~0.base_11) (+ v_dll_create_~new_head~0.offset_11 4) v_dll_create_~head~0.offset_9) (+ v_dll_create_~new_head~0.offset_11 12) 0)) |v_#memory_$Pointer$.offset_20|), (= (store |v_#memory_$Pointer$.offset_25| v_dll_create_~new_head~0.base_11 (store (select |v_#memory_$Pointer$.offset_25| v_dll_create_~new_head~0.base_11) v_dll_create_~new_head~0.offset_11 (select (select |v_#memory_$Pointer$.offset_36| v_dll_create_~new_head~0.base_11) v_dll_create_~new_head~0.offset_11))) |v_#memory_$Pointer$.offset_36|), (= |v_dll_create_#t~malloc5.offset_3| 0), (= (store |v_#memory_$Pointer$.base_36| v_dll_create_~new_head~0.base_11 (store (store (select |v_#memory_$Pointer$.base_36| v_dll_create_~new_head~0.base_11) (+ v_dll_create_~new_head~0.offset_11 4) v_dll_create_~head~0.base_9) (+ v_dll_create_~new_head~0.offset_11 12) 0)) |v_#memory_$Pointer$.base_20|), (= v_dll_create_~len_9 (+ v_dll_create_~len_8 1)), (= (store |v_#memory_$Pointer$.offset_36| v_dll_create_~new_head~0.base_11 (let ((.cse0 (+ v_dll_create_~new_head~0.offset_11 8))) (store (select |v_#memory_$Pointer$.offset_36| v_dll_create_~new_head~0.base_11) .cse0 (select (select |v_#memory_$Pointer$.offset_35| v_dll_create_~new_head~0.base_11) .cse0)))) |v_#memory_$Pointer$.offset_35|), (= v_dll_create_~head~0.base_9 0), (= (store |v_#memory_$Pointer$.base_25| v_dll_create_~new_head~0.base_11 (store (select |v_#memory_$Pointer$.base_25| v_dll_create_~new_head~0.base_11) v_dll_create_~new_head~0.offset_11 (select (select |v_#memory_$Pointer$.base_35| v_dll_create_~new_head~0.base_11) v_dll_create_~new_head~0.offset_11))) |v_#memory_$Pointer$.base_35|)]: 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...