/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-b7b32d2 [2021-02-22 01:54:22,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 01:54:22,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 01:54:22,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 01:54:22,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 01:54:22,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 01:54:22,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 01:54:22,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 01:54:22,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 01:54:22,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 01:54:22,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 01:54:22,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 01:54:22,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 01:54:22,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 01:54:22,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 01:54:22,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 01:54:22,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 01:54:22,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 01:54:22,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 01:54:22,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 01:54:22,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 01:54:22,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 01:54:22,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 01:54:22,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 01:54:22,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 01:54:22,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 01:54:22,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 01:54:22,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 01:54:22,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 01:54:22,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 01:54:22,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 01:54:22,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 01:54:22,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 01:54:22,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 01:54:22,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 01:54:22,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 01:54:22,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 01:54:22,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 01:54:22,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 01:54:22,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 01:54:22,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 01:54:22,345 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 01:54:22,360 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 01:54:22,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 01:54:22,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 01:54:22,363 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 01:54:22,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 01:54:22,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 01:54:22,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 01:54:22,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 01:54:22,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 01:54:22,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 01:54:22,365 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 01:54:22,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 01:54:22,365 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 01:54:22,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 01:54:22,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 01:54:22,366 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 01:54:22,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 01:54:22,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 01:54:22,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:54:22,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 01:54:22,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 01:54:22,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 01:54:22,368 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 01:54:22,369 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 01:54:22,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 01:54:22,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 01:54:22,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 01:54:22,798 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 01:54:22,798 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 01:54:22,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/merge_sort-1.i [2021-02-22 01:54:22,887 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6fe48aed/50095bbedecf4968bc9d80d8b10b7dfb/FLAG06aa9caaf [2021-02-22 01:54:23,662 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 01:54:23,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/merge_sort-1.i [2021-02-22 01:54:23,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6fe48aed/50095bbedecf4968bc9d80d8b10b7dfb/FLAG06aa9caaf [2021-02-22 01:54:23,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6fe48aed/50095bbedecf4968bc9d80d8b10b7dfb [2021-02-22 01:54:23,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 01:54:23,747 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 01:54:23,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 01:54:23,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 01:54:23,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 01:54:23,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:54:23" (1/1) ... [2021-02-22 01:54:23,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b13d745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:54:23, skipping insertion in model container [2021-02-22 01:54:23,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:54:23" (1/1) ... [2021-02-22 01:54:23,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 01:54:23,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 01:54:24,168 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] [2021-02-22 01:54:24,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:54:24,256 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 01:54:24,334 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] [2021-02-22 01:54:24,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:54:24,453 INFO L208 MainTranslator]: Completed translation [2021-02-22 01:54:24,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:54:24 WrapperNode [2021-02-22 01:54:24,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 01:54:24,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 01:54:24,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 01:54:24,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 01:54:24,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:54:24" (1/1) ... [2021-02-22 01:54:24,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:54:24" (1/1) ... [2021-02-22 01:54:24,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:54:24" (1/1) ... [2021-02-22 01:54:24,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:54:24" (1/1) ... [2021-02-22 01:54:24,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:54:24" (1/1) ... [2021-02-22 01:54:24,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:54:24" (1/1) ... [2021-02-22 01:54:24,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:54:24" (1/1) ... [2021-02-22 01:54:24,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 01:54:24,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 01:54:24,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 01:54:24,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 01:54:24,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:54:24" (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 [2021-02-22 01:54:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 01:54:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 01:54:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 01:54:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-22 01:54:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-22 01:54:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-02-22 01:54:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_single_node [2021-02-22 01:54:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_pair [2021-02-22 01:54:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sort_core [2021-02-22 01:54:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_before [2021-02-22 01:54:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_after [2021-02-22 01:54:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 01:54:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 01:54:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 01:54:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 01:54:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 01:54:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 01:54:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 01:54:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-22 01:54:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-22 01:54:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-22 01:54:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-22 01:54:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-22 01:54:24,744 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-22 01:54:24,745 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-22 01:54:24,745 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-22 01:54:24,745 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-22 01:54:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-22 01:54:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-22 01:54:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-22 01:54:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-22 01:54:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-22 01:54:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-22 01:54:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-22 01:54:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-22 01:54:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-22 01:54:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-22 01:54:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-22 01:54:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-22 01:54:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-22 01:54:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-22 01:54:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-22 01:54:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-22 01:54:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-22 01:54:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-22 01:54:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-22 01:54:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-22 01:54:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-22 01:54:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-22 01:54:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-22 01:54:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-22 01:54:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-22 01:54:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-22 01:54:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-22 01:54:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-22 01:54:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-22 01:54:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-22 01:54:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-22 01:54:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-22 01:54:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-22 01:54:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-22 01:54:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-22 01:54:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-22 01:54:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-22 01:54:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-22 01:54:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-22 01:54:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-22 01:54:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-22 01:54:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-22 01:54:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-22 01:54:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 01:54:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-22 01:54:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-22 01:54:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 01:54:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-22 01:54:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-22 01:54:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-22 01:54:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-22 01:54:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-22 01:54:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-22 01:54:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 01:54:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-22 01:54:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-22 01:54:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-22 01:54:24,765 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-22 01:54:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-22 01:54:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-22 01:54:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-22 01:54:24,767 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-22 01:54:24,767 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-22 01:54:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-22 01:54:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-22 01:54:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-22 01:54:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-22 01:54:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-22 01:54:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-22 01:54:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-22 01:54:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-22 01:54:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-22 01:54:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-22 01:54:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-22 01:54:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-22 01:54:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-22 01:54:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-22 01:54:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-22 01:54:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-22 01:54:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-22 01:54:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-22 01:54:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-22 01:54:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-22 01:54:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-22 01:54:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-22 01:54:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-22 01:54:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-22 01:54:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-22 01:54:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-22 01:54:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-22 01:54:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-22 01:54:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-22 01:54:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 01:54:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-02-22 01:54:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure merge_single_node [2021-02-22 01:54:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 01:54:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 01:54:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure merge_pair [2021-02-22 01:54:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 01:54:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 01:54:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sort_core [2021-02-22 01:54:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_before [2021-02-22 01:54:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_after [2021-02-22 01:54:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 01:54:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 01:54:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 01:54:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 01:54:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 01:54:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 01:54:25,942 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 01:54:25,943 INFO L299 CfgBuilder]: Removed 33 assume(true) statements. [2021-02-22 01:54:25,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:54:25 BoogieIcfgContainer [2021-02-22 01:54:25,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 01:54:25,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 01:54:25,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 01:54:25,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 01:54:25,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 01:54:23" (1/3) ... [2021-02-22 01:54:25,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe46747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:54:25, skipping insertion in model container [2021-02-22 01:54:25,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:54:24" (2/3) ... [2021-02-22 01:54:25,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe46747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:54:25, skipping insertion in model container [2021-02-22 01:54:25,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:54:25" (3/3) ... [2021-02-22 01:54:25,955 INFO L111 eAbstractionObserver]: Analyzing ICFG merge_sort-1.i [2021-02-22 01:54:25,962 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 01:54:25,968 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 01:54:25,988 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 01:54:26,014 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 01:54:26,015 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 01:54:26,015 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 01:54:26,015 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 01:54:26,015 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 01:54:26,015 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 01:54:26,015 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 01:54:26,016 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 01:54:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states. [2021-02-22 01:54:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-02-22 01:54:26,050 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:54:26,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:54:26,051 INFO L428 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:54:26,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:54:26,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1262471750, now seen corresponding path program 1 times [2021-02-22 01:54:26,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:54:26,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [980080126] [2021-02-22 01:54:26,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:54:26,147 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:54:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:54:26,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:54:26,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:54:26,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:54:26,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:54:26,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:54:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:54:26,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:54:26,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:54:26,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:54:26,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [980080126] [2021-02-22 01:54:26,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:54:26,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-22 01:54:26,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157038068] [2021-02-22 01:54:26,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-22 01:54:26,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:54:26,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-22 01:54:26,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-22 01:54:26,350 INFO L87 Difference]: Start difference. First operand 253 states. Second operand 3 states. [2021-02-22 01:54:26,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:54:26,846 INFO L93 Difference]: Finished difference Result 526 states and 694 transitions. [2021-02-22 01:54:26,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-22 01:54:26,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-02-22 01:54:26,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:54:26,863 INFO L225 Difference]: With dead ends: 526 [2021-02-22 01:54:26,864 INFO L226 Difference]: Without dead ends: 256 [2021-02-22 01:54:26,872 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 [2021-02-22 01:54:26,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-02-22 01:54:26,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 228. [2021-02-22 01:54:26,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-02-22 01:54:26,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 251 transitions. [2021-02-22 01:54:26,961 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 251 transitions. Word has length 19 [2021-02-22 01:54:26,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:54:26,962 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 251 transitions. [2021-02-22 01:54:26,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-22 01:54:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 251 transitions. [2021-02-22 01:54:26,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-02-22 01:54:26,963 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:54:26,963 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] [2021-02-22 01:54:26,964 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 01:54:26,964 INFO L428 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:54:26,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:54:26,965 INFO L82 PathProgramCache]: Analyzing trace with hash 229322597, now seen corresponding path program 1 times [2021-02-22 01:54:26,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:54:26,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2141759393] [2021-02-22 01:54:26,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:54:26,973 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:54:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:54:27,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:54:27,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:54:27,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:54:27,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:54:27,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:54:27,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:54:27,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:54:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:54:27,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:54:27,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:54:27,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:54:27,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2141759393] [2021-02-22 01:54:27,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:54:27,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-22 01:54:27,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035475008] [2021-02-22 01:54:27,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-22 01:54:27,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:54:27,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-22 01:54:27,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-22 01:54:27,132 INFO L87 Difference]: Start difference. First operand 228 states and 251 transitions. Second operand 4 states. [2021-02-22 01:54:27,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:54:27,752 INFO L93 Difference]: Finished difference Result 457 states and 506 transitions. [2021-02-22 01:54:27,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-22 01:54:27,753 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2021-02-22 01:54:27,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:54:27,757 INFO L225 Difference]: With dead ends: 457 [2021-02-22 01:54:27,757 INFO L226 Difference]: Without dead ends: 257 [2021-02-22 01:54:27,760 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 [2021-02-22 01:54:27,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-02-22 01:54:27,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 230. [2021-02-22 01:54:27,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2021-02-22 01:54:27,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 253 transitions. [2021-02-22 01:54:27,835 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 253 transitions. Word has length 21 [2021-02-22 01:54:27,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:54:27,836 INFO L480 AbstractCegarLoop]: Abstraction has 230 states and 253 transitions. [2021-02-22 01:54:27,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-22 01:54:27,836 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 253 transitions. [2021-02-22 01:54:27,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-02-22 01:54:27,840 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:54:27,841 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] [2021-02-22 01:54:27,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 01:54:27,841 INFO L428 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:54:27,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:54:27,842 INFO L82 PathProgramCache]: Analyzing trace with hash -197050510, now seen corresponding path program 1 times [2021-02-22 01:54:27,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:54:27,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1008094051] [2021-02-22 01:54:27,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:54:28,107 WARN L141 QuantifierPusher]: treesize reduction 5, result has 97.9 percent of original size [2021-02-22 01:54:28,137 WARN L147 QuantifierPusher]: treesize reduction 5, result has 97.9 percent of original size 234 [2021-02-22 01:54:28,145 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 01:54:28,154 INFO L168 Benchmark]: Toolchain (without parser) took 4419.20 ms. Allocated memory was 176.2 MB in the beginning and 226.5 MB in the end (delta: 50.3 MB). Free memory was 150.3 MB in the beginning and 192.2 MB in the end (delta: -41.8 MB). Peak memory consumption was 129.1 MB. Max. memory is 8.0 GB. [2021-02-22 01:54:28,158 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 176.2 MB. Free memory is still 149.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 01:54:28,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.20 ms. Allocated memory is still 176.2 MB. Free memory was 149.3 MB in the beginning and 124.8 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-02-22 01:54:28,166 INFO L168 Benchmark]: Boogie Preprocessor took 161.62 ms. Allocated memory is still 176.2 MB. Free memory was 124.8 MB in the beginning and 155.5 MB in the end (delta: -30.7 MB). Peak memory consumption was 4.8 MB. Max. memory is 8.0 GB. [2021-02-22 01:54:28,168 INFO L168 Benchmark]: RCFGBuilder took 1326.84 ms. Allocated memory was 176.2 MB in the beginning and 226.5 MB in the end (delta: 50.3 MB). Free memory was 155.5 MB in the beginning and 185.6 MB in the end (delta: -30.1 MB). Peak memory consumption was 62.7 MB. Max. memory is 8.0 GB. [2021-02-22 01:54:28,173 INFO L168 Benchmark]: TraceAbstraction took 2203.95 ms. Allocated memory is still 226.5 MB. Free memory was 185.6 MB in the beginning and 192.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 113.0 MB. Max. memory is 8.0 GB. [2021-02-22 01:54:28,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 176.2 MB. Free memory is still 149.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 703.20 ms. Allocated memory is still 176.2 MB. Free memory was 149.3 MB in the beginning and 124.8 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 161.62 ms. Allocated memory is still 176.2 MB. Free memory was 124.8 MB in the beginning and 155.5 MB in the end (delta: -30.7 MB). Peak memory consumption was 4.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1326.84 ms. Allocated memory was 176.2 MB in the beginning and 226.5 MB in the end (delta: 50.3 MB). Free memory was 155.5 MB in the beginning and 185.6 MB in the end (delta: -30.1 MB). Peak memory consumption was 62.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2203.95 ms. Allocated memory is still 226.5 MB. Free memory was 185.6 MB in the beginning and 192.2 MB in the end (delta: -6.5 MB). Peak memory consumption was 113.0 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...