/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/heap-manipulation/merge_sort-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:19:07,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:19:07,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:19:07,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 04:19:07,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 04:19:07,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 04:19:07,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 04:19:07,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 04:19:07,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 04:19:07,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 04:19:07,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 04:19:07,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 04:19:07,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:19:07,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:19:07,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:19:07,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:19:07,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:19:07,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:19:07,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:19:07,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:19:07,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:19:07,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:19:07,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:19:07,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:19:07,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 04:19:07,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 04:19:07,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 04:19:07,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 04:19:07,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 04:19:07,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 04:19:07,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 04:19:07,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 04:19:07,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 04:19:07,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 04:19:07,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 04:19:07,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 04:19:07,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 04:19:07,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 04:19:07,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:19:07,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:19:07,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:19:07,323 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 04:19:07,335 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:19:07,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:19:07,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:19:07,337 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:19:07,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:19:07,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:19:07,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:19:07,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:19:07,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:19:07,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:19:07,339 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:19:07,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:19:07,340 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:19:07,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:19:07,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:19:07,341 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:19:07,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:19:07,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:19:07,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:19:07,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:19:07,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:19:07,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:19:07,343 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:19:07,343 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:19:07,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:19:07,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:19:07,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:19:07,750 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:19:07,751 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:19:07,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/merge_sort-1.i [2021-02-24 04:19:07,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aec25404/2ebda18ee5a54e08b599ae4f0e3f1075/FLAGe734751f8 [2021-02-24 04:19:08,520 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:19:08,521 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/merge_sort-1.i [2021-02-24 04:19:08,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aec25404/2ebda18ee5a54e08b599ae4f0e3f1075/FLAGe734751f8 [2021-02-24 04:19:08,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aec25404/2ebda18ee5a54e08b599ae4f0e3f1075 [2021-02-24 04:19:08,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:19:08,801 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:19:08,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:19:08,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:19:08,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:19:08,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:19:08" (1/1) ... [2021-02-24 04:19:08,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d8d196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:19:08, skipping insertion in model container [2021-02-24 04:19:08,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:19:08" (1/1) ... [2021-02-24 04:19:08,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:19:08,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:19:09,296 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/merge_sort-1.i[22632,22645] [2021-02-24 04:19:09,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:19:09,372 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:19:09,433 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/merge_sort-1.i[22632,22645] [2021-02-24 04:19:09,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:19:09,544 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:19:09,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:19:09 WrapperNode [2021-02-24 04:19:09,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:19:09,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:19:09,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:19:09,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:19:09,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:19:09" (1/1) ... [2021-02-24 04:19:09,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:19:09" (1/1) ... [2021-02-24 04:19:09,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:19:09" (1/1) ... [2021-02-24 04:19:09,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:19:09" (1/1) ... [2021-02-24 04:19:09,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:19:09" (1/1) ... [2021-02-24 04:19:09,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:19:09" (1/1) ... [2021-02-24 04:19:09,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:19:09" (1/1) ... [2021-02-24 04:19:09,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:19:09,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:19:09,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:19:09,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:19:09,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:19:09" (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 04:19:09,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:19:09,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:19:09,784 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:19:09,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-24 04:19:09,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-24 04:19:09,785 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-02-24 04:19:09,785 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_single_node [2021-02-24 04:19:09,785 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_pair [2021-02-24 04:19:09,785 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sort_core [2021-02-24 04:19:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_before [2021-02-24 04:19:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_after [2021-02-24 04:19:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:19:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:19:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:19:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-24 04:19:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-24 04:19:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:19:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:19:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-24 04:19:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-24 04:19:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-24 04:19:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-24 04:19:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-24 04:19:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-24 04:19:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-24 04:19:09,794 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-24 04:19:09,794 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-24 04:19:09,795 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-24 04:19:09,795 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-24 04:19:09,795 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-24 04:19:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-24 04:19:09,800 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-24 04:19:09,800 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-24 04:19:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-24 04:19:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-24 04:19:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-24 04:19:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-24 04:19:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-24 04:19:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-24 04:19:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-24 04:19:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-24 04:19:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-24 04:19:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-24 04:19:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-24 04:19:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-24 04:19:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-24 04:19:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-24 04:19:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-24 04:19:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-24 04:19:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-24 04:19:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-24 04:19:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-24 04:19:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-24 04:19:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-24 04:19:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-24 04:19:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-24 04:19:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-24 04:19:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-24 04:19:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-24 04:19:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-24 04:19:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-24 04:19:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-24 04:19:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-24 04:19:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-24 04:19:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-24 04:19:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-24 04:19:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-24 04:19:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-24 04:19:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-24 04:19:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-24 04:19:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 04:19:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-24 04:19:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-24 04:19:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 04:19:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-24 04:19:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-24 04:19:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-24 04:19:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-24 04:19:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-24 04:19:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-24 04:19:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:19:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-24 04:19:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-24 04:19:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-24 04:19:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-24 04:19:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-24 04:19:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-24 04:19:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-24 04:19:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-24 04:19:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-24 04:19:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-24 04:19:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-24 04:19:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-24 04:19:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-24 04:19:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-24 04:19:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-24 04:19:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-24 04:19:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-24 04:19:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-24 04:19:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-24 04:19:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-24 04:19:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-24 04:19:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-24 04:19:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-24 04:19:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-24 04:19:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-24 04:19:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-24 04:19:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-24 04:19:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-24 04:19:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-24 04:19:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-24 04:19:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-24 04:19:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-24 04:19:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-24 04:19:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-24 04:19:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-24 04:19:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-24 04:19:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-24 04:19:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-24 04:19:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:19:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-02-24 04:19:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure merge_single_node [2021-02-24 04:19:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 04:19:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 04:19:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure merge_pair [2021-02-24 04:19:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:19:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:19:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sort_core [2021-02-24 04:19:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_before [2021-02-24 04:19:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_after [2021-02-24 04:19:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:19:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 04:19:09,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:19:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:19:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:19:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:19:10,571 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:19:10,571 INFO L299 CfgBuilder]: Removed 33 assume(true) statements. [2021-02-24 04:19:10,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:19:10 BoogieIcfgContainer [2021-02-24 04:19:10,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:19:10,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:19:10,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:19:10,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:19:10,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:19:08" (1/3) ... [2021-02-24 04:19:10,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c4c96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:19:10, skipping insertion in model container [2021-02-24 04:19:10,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:19:09" (2/3) ... [2021-02-24 04:19:10,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c4c96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:19:10, skipping insertion in model container [2021-02-24 04:19:10,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:19:10" (3/3) ... [2021-02-24 04:19:10,584 INFO L111 eAbstractionObserver]: Analyzing ICFG merge_sort-1.i [2021-02-24 04:19:10,591 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:19:10,596 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:19:10,615 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:19:10,639 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:19:10,639 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:19:10,639 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:19:10,639 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:19:10,640 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:19:10,640 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:19:10,640 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:19:10,640 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:19:10,661 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states. [2021-02-24 04:19:10,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-02-24 04:19:10,670 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:19:10,670 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:19:10,671 INFO L428 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:19:10,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:19:10,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1262471750, now seen corresponding path program 1 times [2021-02-24 04:19:10,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:19:10,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668696184] [2021-02-24 04:19:10,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:19:10,774 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:19:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:10,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:10,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:10,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:10,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:10,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:19:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:10,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:10,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:10,918 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 04:19:10,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [668696184] [2021-02-24 04:19:10,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:19:10,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-24 04:19:10,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48018706] [2021-02-24 04:19:10,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-24 04:19:10,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:19:10,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-24 04:19:10,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 04:19:10,943 INFO L87 Difference]: Start difference. First operand 253 states. Second operand 3 states. [2021-02-24 04:19:11,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:19:11,488 INFO L93 Difference]: Finished difference Result 526 states and 694 transitions. [2021-02-24 04:19:11,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-24 04:19:11,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-02-24 04:19:11,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:19:11,515 INFO L225 Difference]: With dead ends: 526 [2021-02-24 04:19:11,515 INFO L226 Difference]: Without dead ends: 256 [2021-02-24 04:19:11,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 04:19:11,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-02-24 04:19:11,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 228. [2021-02-24 04:19:11,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-02-24 04:19:11,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 251 transitions. [2021-02-24 04:19:11,656 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 251 transitions. Word has length 19 [2021-02-24 04:19:11,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:19:11,657 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 251 transitions. [2021-02-24 04:19:11,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-24 04:19:11,658 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 251 transitions. [2021-02-24 04:19:11,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-02-24 04:19:11,659 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:19:11,659 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] [2021-02-24 04:19:11,660 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:19:11,660 INFO L428 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:19:11,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:19:11,661 INFO L82 PathProgramCache]: Analyzing trace with hash 229322597, now seen corresponding path program 1 times [2021-02-24 04:19:11,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:19:11,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2013345548] [2021-02-24 04:19:11,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:19:11,679 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:19:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:11,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:11,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:11,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:11,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 04:19:11,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:11,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:11,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:19:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:19:11,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:19:11,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:19:11,771 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 04:19:11,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2013345548] [2021-02-24 04:19:11,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:19:11,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 04:19:11,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737370971] [2021-02-24 04:19:11,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 04:19:11,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:19:11,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 04:19:11,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 04:19:11,775 INFO L87 Difference]: Start difference. First operand 228 states and 251 transitions. Second operand 4 states. [2021-02-24 04:19:12,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:19:12,266 INFO L93 Difference]: Finished difference Result 457 states and 506 transitions. [2021-02-24 04:19:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-24 04:19:12,266 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2021-02-24 04:19:12,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:19:12,271 INFO L225 Difference]: With dead ends: 457 [2021-02-24 04:19:12,271 INFO L226 Difference]: Without dead ends: 257 [2021-02-24 04:19:12,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 04:19:12,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-02-24 04:19:12,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 230. [2021-02-24 04:19:12,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2021-02-24 04:19:12,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 253 transitions. [2021-02-24 04:19:12,330 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 253 transitions. Word has length 21 [2021-02-24 04:19:12,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:19:12,330 INFO L480 AbstractCegarLoop]: Abstraction has 230 states and 253 transitions. [2021-02-24 04:19:12,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 04:19:12,330 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 253 transitions. [2021-02-24 04:19:12,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-02-24 04:19:12,331 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:19:12,332 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:19:12,332 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 04:19:12,332 INFO L428 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:19:12,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:19:12,333 INFO L82 PathProgramCache]: Analyzing trace with hash -197050510, now seen corresponding path program 1 times [2021-02-24 04:19:12,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:19:12,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102350930] [2021-02-24 04:19:12,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:19:12,523 WARN L141 QuantifierPusher]: treesize reduction 5, result has 97.9 percent of original size [2021-02-24 04:19:12,549 WARN L147 QuantifierPusher]: treesize reduction 5, result has 97.9 percent of original size 234 [2021-02-24 04:19:12,555 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_main_~data~0.base_16 has two outvars in equality [(= v_main_~item~0.offset_7 |v_main_#t~malloc42.offset_3|), (<= 0 (+ |v_main_#t~nondet39_7| 2147483648)), (= (store |v_#memory_int_53| v_main_~item~0.base_7 (let ((.cse0 (+ v_main_~item~0.offset_7 4))) (store (select |v_#memory_int_53| v_main_~item~0.base_7) .cse0 (select (select |v_#memory_int_41| v_main_~item~0.base_7) .cse0)))) |v_#memory_int_41|), (= |v_main_#t~malloc40.offset_3| 0), (> v_main_~item~0.base_7 0), (> |v_main_#t~nondet39_7| 0), (<= |v_main_#t~nondet39_7| 2147483647), (= (store (store |v_#valid_39| |v_main_#t~malloc40.base_3| 1) |v_main_#t~malloc42.base_3| 1) |v_#valid_37|), (<= |v_main_#t~nondet41_5| 2147483647), (= |v_#memory_int_53| (let ((.cse0 (store |v_#memory_int_52| v_main_~node~1.base_7 (store (select |v_#memory_int_52| v_main_~node~1.base_7) (+ v_main_~node~1.offset_7 4) |v_main_#t~nondet41_5|)))) (store .cse0 v_main_~item~0.base_7 (store (select .cse0 v_main_~item~0.base_7) v_main_~item~0.offset_7 (select (select |v_#memory_int_53| v_main_~item~0.base_7) v_main_~item~0.offset_7))))), (> |v_main_#t~malloc40.base_3| 0), (< |v_main_#t~malloc42.base_3| |v_#StackHeapBarrier_9|), (= v_main_~node~1.base_7 |v_main_#t~malloc40.base_3|), (= |v_#length_23| (store (store |v_#length_25| |v_main_#t~malloc40.base_3| 8) |v_main_#t~malloc42.base_3| 8)), (< |v_main_#t~malloc40.base_3| |v_#StackHeapBarrier_9|), (= v_main_~data~0.offset_16 v_main_~item~0.offset_7), (= (select (store |v_#valid_39| |v_main_#t~malloc40.base_3| 1) |v_main_#t~malloc42.base_3|) 0), (= (store |v_#memory_$Pointer$.base_73| v_main_~node~1.base_7 (let ((.cse0 (+ v_main_~node~1.offset_7 4))) (store (store (select |v_#memory_$Pointer$.base_73| v_main_~node~1.base_7) v_main_~node~1.offset_7 v_main_~node~1.base_7) .cse0 (select (select |v_#memory_$Pointer$.base_77| v_main_~node~1.base_7) .cse0)))) |v_#memory_$Pointer$.base_77|), (= v_main_~data~0.base_16 v_main_~item~0.base_7), (= (store |v_#memory_$Pointer$.offset_73| v_main_~node~1.base_7 (let ((.cse0 (+ v_main_~node~1.offset_7 4))) (store (store (select |v_#memory_$Pointer$.offset_73| v_main_~node~1.base_7) v_main_~node~1.offset_7 v_main_~node~1.offset_7) .cse0 (select (select |v_#memory_$Pointer$.offset_77| v_main_~node~1.base_7) .cse0)))) |v_#memory_$Pointer$.offset_77|), (= (select |v_#valid_39| |v_main_#t~malloc40.base_3|) 0), (> |v_main_#t~malloc42.base_3| 0), (= |v_main_#t~malloc42.base_3| v_main_~item~0.base_7), (= |v_#memory_int_52| (store |v_#memory_int_45| v_main_~node~1.base_7 (store (select |v_#memory_int_45| v_main_~node~1.base_7) v_main_~node~1.offset_7 (select (select |v_#memory_int_52| v_main_~node~1.base_7) v_main_~node~1.offset_7)))), (= (store |v_#memory_$Pointer$.offset_77| v_main_~item~0.base_7 (store (store (select |v_#memory_$Pointer$.offset_77| v_main_~item~0.base_7) v_main_~item~0.offset_7 v_main_~node~1.offset_7) (+ v_main_~item~0.offset_7 4) v_main_~data~0.offset_17)) |v_#memory_$Pointer$.offset_69|), (= |v_main_#t~malloc42.offset_3| 0), (= v_main_~node~1.offset_7 |v_main_#t~malloc40.offset_3|), (= (store |v_#memory_$Pointer$.base_77| v_main_~item~0.base_7 (store (store (select |v_#memory_$Pointer$.base_77| v_main_~item~0.base_7) v_main_~item~0.offset_7 v_main_~node~1.base_7) (+ v_main_~item~0.offset_7 4) v_main_~data~0.base_17)) |v_#memory_$Pointer$.base_69|), (< v_main_~node~1.offset_7 0), (<= 0 (+ |v_main_#t~nondet41_5| 2147483648))] at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.computeSubstitutionMapping(SimultaneousUpdate.java:174) 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.computeSubstitutionMapping(SimultaneousUpdate.java:171) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-24 04:19:12,569 INFO L168 Benchmark]: Toolchain (without parser) took 3777.90 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 125.7 MB in the beginning and 112.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 44.6 MB. Max. memory is 8.0 GB. [2021-02-24 04:19:12,570 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 125.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:19:12,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.80 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 100.7 MB in the end (delta: 23.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:19:12,574 INFO L168 Benchmark]: Boogie Preprocessor took 138.69 ms. Allocated memory is still 151.0 MB. Free memory was 100.7 MB in the beginning and 130.9 MB in the end (delta: -30.1 MB). Peak memory consumption was 3.7 MB. Max. memory is 8.0 GB. [2021-02-24 04:19:12,575 INFO L168 Benchmark]: RCFGBuilder took 889.47 ms. Allocated memory is still 151.0 MB. Free memory was 130.9 MB in the beginning and 113.9 MB in the end (delta: 16.9 MB). Peak memory consumption was 65.7 MB. Max. memory is 8.0 GB. [2021-02-24 04:19:12,576 INFO L168 Benchmark]: TraceAbstraction took 1989.20 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 113.4 MB in the beginning and 112.6 MB in the end (delta: 831.8 kB). Peak memory consumption was 30.7 MB. Max. memory is 8.0 GB. [2021-02-24 04:19:12,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 125.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 737.80 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 100.7 MB in the end (delta: 23.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 138.69 ms. Allocated memory is still 151.0 MB. Free memory was 100.7 MB in the beginning and 130.9 MB in the end (delta: -30.1 MB). Peak memory consumption was 3.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 889.47 ms. Allocated memory is still 151.0 MB. Free memory was 130.9 MB in the beginning and 113.9 MB in the end (delta: 16.9 MB). Peak memory consumption was 65.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1989.20 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 113.4 MB in the beginning and 112.6 MB in the end (delta: 831.8 kB). Peak memory consumption was 30.7 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_main_~data~0.base_16 has two outvars in equality [(= v_main_~item~0.offset_7 |v_main_#t~malloc42.offset_3|), (<= 0 (+ |v_main_#t~nondet39_7| 2147483648)), (= (store |v_#memory_int_53| v_main_~item~0.base_7 (let ((.cse0 (+ v_main_~item~0.offset_7 4))) (store (select |v_#memory_int_53| v_main_~item~0.base_7) .cse0 (select (select |v_#memory_int_41| v_main_~item~0.base_7) .cse0)))) |v_#memory_int_41|), (= |v_main_#t~malloc40.offset_3| 0), (> v_main_~item~0.base_7 0), (> |v_main_#t~nondet39_7| 0), (<= |v_main_#t~nondet39_7| 2147483647), (= (store (store |v_#valid_39| |v_main_#t~malloc40.base_3| 1) |v_main_#t~malloc42.base_3| 1) |v_#valid_37|), (<= |v_main_#t~nondet41_5| 2147483647), (= |v_#memory_int_53| (let ((.cse0 (store |v_#memory_int_52| v_main_~node~1.base_7 (store (select |v_#memory_int_52| v_main_~node~1.base_7) (+ v_main_~node~1.offset_7 4) |v_main_#t~nondet41_5|)))) (store .cse0 v_main_~item~0.base_7 (store (select .cse0 v_main_~item~0.base_7) v_main_~item~0.offset_7 (select (select |v_#memory_int_53| v_main_~item~0.base_7) v_main_~item~0.offset_7))))), (> |v_main_#t~malloc40.base_3| 0), (< |v_main_#t~malloc42.base_3| |v_#StackHeapBarrier_9|), (= v_main_~node~1.base_7 |v_main_#t~malloc40.base_3|), (= |v_#length_23| (store (store |v_#length_25| |v_main_#t~malloc40.base_3| 8) |v_main_#t~malloc42.base_3| 8)), (< |v_main_#t~malloc40.base_3| |v_#StackHeapBarrier_9|), (= v_main_~data~0.offset_16 v_main_~item~0.offset_7), (= (select (store |v_#valid_39| |v_main_#t~malloc40.base_3| 1) |v_main_#t~malloc42.base_3|) 0), (= (store |v_#memory_$Pointer$.base_73| v_main_~node~1.base_7 (let ((.cse0 (+ v_main_~node~1.offset_7 4))) (store (store (select |v_#memory_$Pointer$.base_73| v_main_~node~1.base_7) v_main_~node~1.offset_7 v_main_~node~1.base_7) .cse0 (select (select |v_#memory_$Pointer$.base_77| v_main_~node~1.base_7) .cse0)))) |v_#memory_$Pointer$.base_77|), (= v_main_~data~0.base_16 v_main_~item~0.base_7), (= (store |v_#memory_$Pointer$.offset_73| v_main_~node~1.base_7 (let ((.cse0 (+ v_main_~node~1.offset_7 4))) (store (store (select |v_#memory_$Pointer$.offset_73| v_main_~node~1.base_7) v_main_~node~1.offset_7 v_main_~node~1.offset_7) .cse0 (select (select |v_#memory_$Pointer$.offset_77| v_main_~node~1.base_7) .cse0)))) |v_#memory_$Pointer$.offset_77|), (= (select |v_#valid_39| |v_main_#t~malloc40.base_3|) 0), (> |v_main_#t~malloc42.base_3| 0), (= |v_main_#t~malloc42.base_3| v_main_~item~0.base_7), (= |v_#memory_int_52| (store |v_#memory_int_45| v_main_~node~1.base_7 (store (select |v_#memory_int_45| v_main_~node~1.base_7) v_main_~node~1.offset_7 (select (select |v_#memory_int_52| v_main_~node~1.base_7) v_main_~node~1.offset_7)))), (= (store |v_#memory_$Pointer$.offset_77| v_main_~item~0.base_7 (store (store (select |v_#memory_$Pointer$.offset_77| v_main_~item~0.base_7) v_main_~item~0.offset_7 v_main_~node~1.offset_7) (+ v_main_~item~0.offset_7 4) v_main_~data~0.offset_17)) |v_#memory_$Pointer$.offset_69|), (= |v_main_#t~malloc42.offset_3| 0), (= v_main_~node~1.offset_7 |v_main_#t~malloc40.offset_3|), (= (store |v_#memory_$Pointer$.base_77| v_main_~item~0.base_7 (store (store (select |v_#memory_$Pointer$.base_77| v_main_~item~0.base_7) v_main_~item~0.offset_7 v_main_~node~1.base_7) (+ v_main_~item~0.offset_7 4) v_main_~data~0.base_17)) |v_#memory_$Pointer$.base_69|), (< v_main_~node~1.offset_7 0), (<= 0 (+ |v_main_#t~nondet41_5| 2147483648))] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: cannot bring into simultaneous update form, v_main_~data~0.base_16 has two outvars in equality [(= v_main_~item~0.offset_7 |v_main_#t~malloc42.offset_3|), (<= 0 (+ |v_main_#t~nondet39_7| 2147483648)), (= (store |v_#memory_int_53| v_main_~item~0.base_7 (let ((.cse0 (+ v_main_~item~0.offset_7 4))) (store (select |v_#memory_int_53| v_main_~item~0.base_7) .cse0 (select (select |v_#memory_int_41| v_main_~item~0.base_7) .cse0)))) |v_#memory_int_41|), (= |v_main_#t~malloc40.offset_3| 0), (> v_main_~item~0.base_7 0), (> |v_main_#t~nondet39_7| 0), (<= |v_main_#t~nondet39_7| 2147483647), (= (store (store |v_#valid_39| |v_main_#t~malloc40.base_3| 1) |v_main_#t~malloc42.base_3| 1) |v_#valid_37|), (<= |v_main_#t~nondet41_5| 2147483647), (= |v_#memory_int_53| (let ((.cse0 (store |v_#memory_int_52| v_main_~node~1.base_7 (store (select |v_#memory_int_52| v_main_~node~1.base_7) (+ v_main_~node~1.offset_7 4) |v_main_#t~nondet41_5|)))) (store .cse0 v_main_~item~0.base_7 (store (select .cse0 v_main_~item~0.base_7) v_main_~item~0.offset_7 (select (select |v_#memory_int_53| v_main_~item~0.base_7) v_main_~item~0.offset_7))))), (> |v_main_#t~malloc40.base_3| 0), (< |v_main_#t~malloc42.base_3| |v_#StackHeapBarrier_9|), (= v_main_~node~1.base_7 |v_main_#t~malloc40.base_3|), (= |v_#length_23| (store (store |v_#length_25| |v_main_#t~malloc40.base_3| 8) |v_main_#t~malloc42.base_3| 8)), (< |v_main_#t~malloc40.base_3| |v_#StackHeapBarrier_9|), (= v_main_~data~0.offset_16 v_main_~item~0.offset_7), (= (select (store |v_#valid_39| |v_main_#t~malloc40.base_3| 1) |v_main_#t~malloc42.base_3|) 0), (= (store |v_#memory_$Pointer$.base_73| v_main_~node~1.base_7 (let ((.cse0 (+ v_main_~node~1.offset_7 4))) (store (store (select |v_#memory_$Pointer$.base_73| v_main_~node~1.base_7) v_main_~node~1.offset_7 v_main_~node~1.base_7) .cse0 (select (select |v_#memory_$Pointer$.base_77| v_main_~node~1.base_7) .cse0)))) |v_#memory_$Pointer$.base_77|), (= v_main_~data~0.base_16 v_main_~item~0.base_7), (= (store |v_#memory_$Pointer$.offset_73| v_main_~node~1.base_7 (let ((.cse0 (+ v_main_~node~1.offset_7 4))) (store (store (select |v_#memory_$Pointer$.offset_73| v_main_~node~1.base_7) v_main_~node~1.offset_7 v_main_~node~1.offset_7) .cse0 (select (select |v_#memory_$Pointer$.offset_77| v_main_~node~1.base_7) .cse0)))) |v_#memory_$Pointer$.offset_77|), (= (select |v_#valid_39| |v_main_#t~malloc40.base_3|) 0), (> |v_main_#t~malloc42.base_3| 0), (= |v_main_#t~malloc42.base_3| v_main_~item~0.base_7), (= |v_#memory_int_52| (store |v_#memory_int_45| v_main_~node~1.base_7 (store (select |v_#memory_int_45| v_main_~node~1.base_7) v_main_~node~1.offset_7 (select (select |v_#memory_int_52| v_main_~node~1.base_7) v_main_~node~1.offset_7)))), (= (store |v_#memory_$Pointer$.offset_77| v_main_~item~0.base_7 (store (store (select |v_#memory_$Pointer$.offset_77| v_main_~item~0.base_7) v_main_~item~0.offset_7 v_main_~node~1.offset_7) (+ v_main_~item~0.offset_7 4) v_main_~data~0.offset_17)) |v_#memory_$Pointer$.offset_69|), (= |v_main_#t~malloc42.offset_3| 0), (= v_main_~node~1.offset_7 |v_main_#t~malloc40.offset_3|), (= (store |v_#memory_$Pointer$.base_77| v_main_~item~0.base_7 (store (store (select |v_#memory_$Pointer$.base_77| v_main_~item~0.base_7) v_main_~item~0.offset_7 v_main_~node~1.base_7) (+ v_main_~item~0.offset_7 4) v_main_~data~0.base_17)) |v_#memory_$Pointer$.base_69|), (< v_main_~node~1.offset_7 0), (<= 0 (+ |v_main_#t~nondet41_5| 2147483648))]: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.computeSubstitutionMapping(SimultaneousUpdate.java:174) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...