/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/forester-heap/sll-rb-sentinel-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:01:01,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:01:01,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:01:01,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 02:01:01,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 02:01:01,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 02:01:01,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 02:01:01,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 02:01:01,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 02:01:01,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 02:01:01,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 02:01:01,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 02:01:01,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:01:01,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:01:01,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:01:01,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:01:01,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:01:01,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:01:01,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:01:01,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:01:01,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:01:01,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:01:01,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:01:01,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:01:01,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 02:01:01,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 02:01:01,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 02:01:01,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 02:01:01,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 02:01:01,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 02:01:01,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 02:01:01,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 02:01:01,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 02:01:01,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 02:01:01,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 02:01:01,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 02:01:01,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 02:01:01,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 02:01:01,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:01:01,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:01:01,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:01:01,267 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 02:01:01,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:01:01,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:01:01,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:01:01,295 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:01:01,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:01:01,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:01:01,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:01:01,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:01:01,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:01:01,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:01:01,297 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:01:01,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:01:01,297 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:01:01,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:01:01,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:01:01,298 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:01:01,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:01:01,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:01:01,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:01:01,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:01:01,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:01:01,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:01:01,300 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:01:01,300 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:01:01,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:01:01,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:01:01,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:01:01,797 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:01:01,798 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:01:01,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-rb-sentinel-2.i [2021-02-22 02:01:01,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c2b6d2a/2ec4b2be8a5e465aa542bd22aac18f0a/FLAGedca6e8e6 [2021-02-22 02:01:02,679 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:01:02,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-rb-sentinel-2.i [2021-02-22 02:01:02,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c2b6d2a/2ec4b2be8a5e465aa542bd22aac18f0a/FLAGedca6e8e6 [2021-02-22 02:01:02,908 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c2b6d2a/2ec4b2be8a5e465aa542bd22aac18f0a [2021-02-22 02:01:02,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:01:02,926 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:01:02,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:01:02,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:01:02,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:01:02,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:01:02" (1/1) ... [2021-02-22 02:01:02,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cfbbdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:02, skipping insertion in model container [2021-02-22 02:01:02,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:01:02" (1/1) ... [2021-02-22 02:01:02,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:01:03,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:01:03,442 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-rb-sentinel-2.i[22534,22547] [2021-02-22 02:01:03,446 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-rb-sentinel-2.i[22606,22619] [2021-02-22 02:01:03,448 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-rb-sentinel-2.i[22746,22759] [2021-02-22 02:01:03,449 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-rb-sentinel-2.i[22820,22833] [2021-02-22 02:01:03,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:01:03,465 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:01:03,511 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-rb-sentinel-2.i[22534,22547] [2021-02-22 02:01:03,513 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-rb-sentinel-2.i[22606,22619] [2021-02-22 02:01:03,514 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-rb-sentinel-2.i[22746,22759] [2021-02-22 02:01:03,516 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-rb-sentinel-2.i[22820,22833] [2021-02-22 02:01:03,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:01:03,597 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:01:03,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:03 WrapperNode [2021-02-22 02:01:03,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:01:03,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:01:03,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:01:03,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:01:03,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:03" (1/1) ... [2021-02-22 02:01:03,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:03" (1/1) ... [2021-02-22 02:01:03,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:03" (1/1) ... [2021-02-22 02:01:03,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:03" (1/1) ... [2021-02-22 02:01:03,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:03" (1/1) ... [2021-02-22 02:01:03,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:03" (1/1) ... [2021-02-22 02:01:03,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:03" (1/1) ... [2021-02-22 02:01:03,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:01:03,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:01:03,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:01:03,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:01:03,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:01:03,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:01:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:01:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:01:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:01:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-22 02:01:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-22 02:01:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-22 02:01:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-22 02:01:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-22 02:01:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-22 02:01:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-22 02:01:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-22 02:01:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-22 02:01:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-22 02:01:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-22 02:01:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-22 02:01:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-22 02:01:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-22 02:01:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-22 02:01:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-22 02:01:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-22 02:01:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-22 02:01:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-22 02:01:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-22 02:01:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-22 02:01:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-22 02:01:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-22 02:01:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-22 02:01:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-22 02:01:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-22 02:01:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-22 02:01:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-22 02:01:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-22 02:01:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-22 02:01:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-22 02:01:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-22 02:01:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-22 02:01:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-22 02:01:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-22 02:01:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-22 02:01:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-22 02:01:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-22 02:01:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-22 02:01:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-22 02:01:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-22 02:01:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-22 02:01:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-22 02:01:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-22 02:01:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-22 02:01:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-22 02:01:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-22 02:01:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-22 02:01:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-22 02:01:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-22 02:01:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 02:01:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-22 02:01:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-22 02:01:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 02:01:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-22 02:01:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-22 02:01:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-22 02:01:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-22 02:01:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-22 02:01:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:01:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-22 02:01:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-22 02:01:03,918 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-22 02:01:03,918 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:01:03,918 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-22 02:01:03,918 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-22 02:01:03,918 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-22 02:01:03,918 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-22 02:01:03,918 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-22 02:01:03,919 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-22 02:01:03,919 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-22 02:01:03,919 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-22 02:01:03,920 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-22 02:01:03,920 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-22 02:01:03,921 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-22 02:01:03,922 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-22 02:01:03,922 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-22 02:01:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-22 02:01:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-22 02:01:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-22 02:01:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-22 02:01:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-22 02:01:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-22 02:01:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-22 02:01:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-22 02:01:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-22 02:01:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-22 02:01:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-22 02:01:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-22 02:01:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-22 02:01:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-22 02:01:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-22 02:01:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-22 02:01:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-22 02:01:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-22 02:01:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-22 02:01:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-22 02:01:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-22 02:01:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-22 02:01:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-22 02:01:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-22 02:01:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-22 02:01:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-22 02:01:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:01:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:01:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 02:01:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 02:01:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:01:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:01:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:01:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 02:01:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:01:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 02:01:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 02:01:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:01:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:01:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:01:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:01:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:01:04,606 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:01:04,607 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-02-22 02:01:04,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:01:04 BoogieIcfgContainer [2021-02-22 02:01:04,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:01:04,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:01:04,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:01:04,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:01:04,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:01:02" (1/3) ... [2021-02-22 02:01:04,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60592183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:01:04, skipping insertion in model container [2021-02-22 02:01:04,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:03" (2/3) ... [2021-02-22 02:01:04,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60592183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:01:04, skipping insertion in model container [2021-02-22 02:01:04,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:01:04" (3/3) ... [2021-02-22 02:01:04,620 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-rb-sentinel-2.i [2021-02-22 02:01:04,627 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:01:04,634 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-02-22 02:01:04,655 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-02-22 02:01:04,684 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:01:04,685 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:01:04,685 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:01:04,685 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:01:04,685 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:01:04,685 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:01:04,686 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:01:04,686 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:01:04,707 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2021-02-22 02:01:04,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-02-22 02:01:04,718 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:01:04,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:01:04,720 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:01:04,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:01:04,727 INFO L82 PathProgramCache]: Analyzing trace with hash 842228740, now seen corresponding path program 1 times [2021-02-22 02:01:04,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:01:04,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1285293519] [2021-02-22 02:01:04,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:01:04,849 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:01:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:05,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:05,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:05,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:05,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:05,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:01:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:05,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:05,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:05,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:01:05,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1285293519] [2021-02-22 02:01:05,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:01:05,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-22 02:01:05,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352145029] [2021-02-22 02:01:05,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-22 02:01:05,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:01:05,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-22 02:01:05,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-22 02:01:05,232 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 3 states. [2021-02-22 02:01:05,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:01:05,567 INFO L93 Difference]: Finished difference Result 165 states and 202 transitions. [2021-02-22 02:01:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-22 02:01:05,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-02-22 02:01:05,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:01:05,582 INFO L225 Difference]: With dead ends: 165 [2021-02-22 02:01:05,582 INFO L226 Difference]: Without dead ends: 78 [2021-02-22 02:01:05,589 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 02:01:05,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-02-22 02:01:05,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-02-22 02:01:05,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2021-02-22 02:01:05,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2021-02-22 02:01:05,665 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 25 [2021-02-22 02:01:05,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:01:05,665 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2021-02-22 02:01:05,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-22 02:01:05,666 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2021-02-22 02:01:05,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-02-22 02:01:05,668 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:01:05,668 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:01:05,669 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:01:05,669 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:01:05,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:01:05,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1759218628, now seen corresponding path program 1 times [2021-02-22 02:01:05,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:01:05,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [883925749] [2021-02-22 02:01:05,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:01:05,689 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:01:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:05,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:05,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:05,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:05,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:01:05,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:05,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:01:05,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:05,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:01:05,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:05,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:01:05,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:05,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:01:05,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:05,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:05,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:01:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:05,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:05,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:05,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:01:05,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [883925749] [2021-02-22 02:01:05,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:01:05,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 02:01:05,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976810241] [2021-02-22 02:01:05,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 02:01:05,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:01:05,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 02:01:05,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-02-22 02:01:05,935 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand 8 states. [2021-02-22 02:01:06,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:01:06,305 INFO L93 Difference]: Finished difference Result 96 states and 101 transitions. [2021-02-22 02:01:06,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-22 02:01:06,305 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2021-02-22 02:01:06,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:01:06,307 INFO L225 Difference]: With dead ends: 96 [2021-02-22 02:01:06,308 INFO L226 Difference]: Without dead ends: 94 [2021-02-22 02:01:06,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-02-22 02:01:06,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-02-22 02:01:06,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 76. [2021-02-22 02:01:06,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-22 02:01:06,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2021-02-22 02:01:06,329 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 27 [2021-02-22 02:01:06,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:01:06,330 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2021-02-22 02:01:06,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 02:01:06,330 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2021-02-22 02:01:06,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-02-22 02:01:06,331 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:01:06,331 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:01:06,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 02:01:06,332 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:01:06,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:01:06,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1040868011, now seen corresponding path program 1 times [2021-02-22 02:01:06,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:01:06,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [476061257] [2021-02-22 02:01:06,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:01:06,338 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:01:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:06,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:06,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:06,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:06,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:06,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:06,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:06,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:06,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:01:06,442 WARN L141 QuantifierPusher]: treesize reduction 20, result has 25.9 percent of original size [2021-02-22 02:01:06,443 WARN L147 QuantifierPusher]: treesize reduction 20, result has 25.9 percent of original size 7 [2021-02-22 02:01:06,456 WARN L141 QuantifierPusher]: treesize reduction 24, result has 46.7 percent of original size [2021-02-22 02:01:06,459 WARN L147 QuantifierPusher]: treesize reduction 24, result has 46.7 percent of original size 21 [2021-02-22 02:01:06,483 WARN L141 QuantifierPusher]: treesize reduction 25, result has 50.0 percent of original size [2021-02-22 02:01:06,484 WARN L147 QuantifierPusher]: treesize reduction 25, result has 50.0 percent of original size 25 [2021-02-22 02:01:06,512 WARN L141 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-02-22 02:01:06,523 WARN L147 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size 9 [2021-02-22 02:01:06,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:06,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:01:06,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:06,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:06,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:01:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:06,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:06,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:06,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:01:06,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [476061257] [2021-02-22 02:01:06,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:01:06,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-22 02:01:06,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687995123] [2021-02-22 02:01:06,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-22 02:01:06,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:01:06,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-22 02:01:06,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-02-22 02:01:06,584 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 11 states. [2021-02-22 02:01:07,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:01:07,039 INFO L93 Difference]: Finished difference Result 128 states and 134 transitions. [2021-02-22 02:01:07,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-22 02:01:07,040 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2021-02-22 02:01:07,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:01:07,042 INFO L225 Difference]: With dead ends: 128 [2021-02-22 02:01:07,042 INFO L226 Difference]: Without dead ends: 125 [2021-02-22 02:01:07,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2021-02-22 02:01:07,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-02-22 02:01:07,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 85. [2021-02-22 02:01:07,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2021-02-22 02:01:07,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 89 transitions. [2021-02-22 02:01:07,066 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 89 transitions. Word has length 31 [2021-02-22 02:01:07,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:01:07,066 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 89 transitions. [2021-02-22 02:01:07,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-22 02:01:07,066 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2021-02-22 02:01:07,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-02-22 02:01:07,068 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:01:07,068 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:01:07,069 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 02:01:07,069 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:01:07,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:01:07,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1582428260, now seen corresponding path program 1 times [2021-02-22 02:01:07,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:01:07,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026054217] [2021-02-22 02:01:07,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:01:07,075 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:01:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:07,138 WARN L141 QuantifierPusher]: treesize reduction 18, result has 40.0 percent of original size [2021-02-22 02:01:07,139 WARN L147 QuantifierPusher]: treesize reduction 18, result has 40.0 percent of original size 12 [2021-02-22 02:01:07,142 WARN L141 QuantifierPusher]: treesize reduction 15, result has 62.5 percent of original size [2021-02-22 02:01:07,144 WARN L147 QuantifierPusher]: treesize reduction 15, result has 62.5 percent of original size 25 [2021-02-22 02:01:07,156 WARN L141 QuantifierPusher]: treesize reduction 15, result has 62.5 percent of original size [2021-02-22 02:01:07,157 WARN L147 QuantifierPusher]: treesize reduction 15, result has 62.5 percent of original size 25 [2021-02-22 02:01:07,170 WARN L141 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-02-22 02:01:07,171 WARN L147 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size 19 [2021-02-22 02:01:07,183 WARN L141 QuantifierPusher]: treesize reduction 6, result has 62.5 percent of original size [2021-02-22 02:01:07,184 WARN L147 QuantifierPusher]: treesize reduction 6, result has 62.5 percent of original size 10 [2021-02-22 02:01:07,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:01:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:07,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:07,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:01:07,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026054217] [2021-02-22 02:01:07,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:01:07,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-22 02:01:07,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622834350] [2021-02-22 02:01:07,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-22 02:01:07,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:01:07,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-22 02:01:07,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-22 02:01:07,220 INFO L87 Difference]: Start difference. First operand 85 states and 89 transitions. Second operand 6 states. [2021-02-22 02:01:07,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:01:07,465 INFO L93 Difference]: Finished difference Result 118 states and 124 transitions. [2021-02-22 02:01:07,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-22 02:01:07,466 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2021-02-22 02:01:07,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:01:07,467 INFO L225 Difference]: With dead ends: 118 [2021-02-22 02:01:07,467 INFO L226 Difference]: Without dead ends: 96 [2021-02-22 02:01:07,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-22 02:01:07,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-02-22 02:01:07,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 88. [2021-02-22 02:01:07,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2021-02-22 02:01:07,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 92 transitions. [2021-02-22 02:01:07,490 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 92 transitions. Word has length 40 [2021-02-22 02:01:07,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:01:07,491 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 92 transitions. [2021-02-22 02:01:07,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-22 02:01:07,491 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2021-02-22 02:01:07,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-02-22 02:01:07,493 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:01:07,493 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, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:01:07,494 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 02:01:07,494 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:01:07,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:01:07,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1918061153, now seen corresponding path program 1 times [2021-02-22 02:01:07,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:01:07,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041578240] [2021-02-22 02:01:07,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:01:07,547 WARN L141 QuantifierPusher]: treesize reduction 8, result has 95.4 percent of original size [2021-02-22 02:01:07,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 02:01:07,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 02:01:07,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 02:01:07,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:01:07,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 02:01:07,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:01:07,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 02:01:07,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 02:01:07,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 02:01:07,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 02:01:07,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 02:01:07,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 02:01:07,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 02:01:07,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:01:07,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 02:01:07,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:01:07,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-02-22 02:01:07,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-02-22 02:01:07,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-02-22 02:01:07,641 WARN L147 QuantifierPusher]: treesize reduction 8, result has 95.4 percent of original size 167 [2021-02-22 02:01:07,664 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_int_42|, |v_#memory_$Pointer$.base_32|, |v_#memory_$Pointer$.offset_32|], 2=[|v_#memory_int_41|]} [2021-02-22 02:01:07,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 02:01:07,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:07,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:07,681 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-22 02:01:07,722 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-02-22 02:01:07,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:07,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:07,733 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-22 02:01:07,759 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-02-22 02:01:07,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:07,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:07,767 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-22 02:01:07,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 02:01:07,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:07,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:07,790 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-22 02:01:07,803 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:01:07,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:07,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 02:01:07,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-22 02:01:07,811 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-02-22 02:01:07,811 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:124, output treesize:26 [2021-02-22 02:01:07,817 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 #memory_$Pointer$.base's outvar occurs in several conjuncts [(= |v_#length_17| (store |v_#length_18| |v_main_#t~malloc6.base_3| 8)), (= |v_#memory_int_41| (store |v_#memory_int_34| v_main_~end~0.base_34 (store (select |v_#memory_int_34| v_main_~end~0.base_34) v_main_~end~0.offset_34 (select (select |v_#memory_int_41| v_main_~end~0.base_34) v_main_~end~0.offset_34)))), (= |v_#memory_int_42| (store |v_#memory_int_41| v_main_~end~0.base_33 (store (select |v_#memory_int_41| v_main_~end~0.base_33) v_main_~end~0.offset_33 (select (select |v_#memory_int_42| v_main_~end~0.base_33) v_main_~end~0.offset_33)))), (<= 0 (+ |v_main_#t~nondet8_7| 2147483648)), (= (store |v_#valid_28| |v_main_#t~malloc6.base_3| 1) |v_#valid_27|), (<= 0 (+ |v_main_#t~nondet5_7| 2147483648)), (> 0 |v_main_#t~malloc6.base_3|), (= (select |v_#valid_28| |v_main_#t~malloc6.base_3|) 0), (= (let ((.cse0 (store |v_#memory_$Pointer$.base_35| v_main_~end~0.base_34 (store (select |v_#memory_$Pointer$.base_35| v_main_~end~0.base_34) v_main_~end~0.offset_34 |v_main_#t~malloc6.base_3|)))) (store .cse0 v_main_~end~0.base_33 (let ((.cse1 (+ v_main_~end~0.offset_33 4))) (store (store (select .cse0 v_main_~end~0.base_33) v_main_~end~0.offset_33 v_main_~null~0.base_17) .cse1 (select (select |v_#memory_$Pointer$.base_32| v_main_~end~0.base_33) .cse1))))) |v_#memory_$Pointer$.base_32|), (< |v_main_#t~nondet8_7| 0), (= |v_#memory_int_31| (store |v_#memory_int_42| v_main_~end~0.base_33 (store (select |v_#memory_int_42| v_main_~end~0.base_33) (+ v_main_~end~0.offset_33 4) v_rep~unnamed1~0~BLACK_1))), (= (let ((.cse0 (store |v_#memory_$Pointer$.offset_35| v_main_~end~0.base_34 (store (select |v_#memory_$Pointer$.offset_35| v_main_~end~0.base_34) v_main_~end~0.offset_34 |v_main_#t~malloc6.offset_3|)))) (store .cse0 v_main_~end~0.base_33 (let ((.cse1 (+ v_main_~end~0.offset_33 4))) (store (store (select .cse0 v_main_~end~0.base_33) v_main_~end~0.offset_33 v_main_~null~0.offset_17) .cse1 (select (select |v_#memory_$Pointer$.offset_32| v_main_~end~0.base_33) .cse1))))) |v_#memory_$Pointer$.offset_32|), (<= |v_main_#t~nondet8_7| 2147483647), (= |v_main_#t~malloc6.offset_3| v_main_~end~0.offset_33), (> |v_main_#t~nondet5_7| 0), (< |v_main_#t~malloc6.base_3| |v_#StackHeapBarrier_8|), (= v_main_~end~0.base_33 |v_main_#t~malloc6.base_3|), (<= |v_main_#t~nondet5_7| 2147483647), (= |v_main_#t~malloc6.offset_3| 0)] at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.(SimultaneousUpdate.java:107) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.werner.LoopAcceleratorLite.calculateSymbolicMemory(LoopAcceleratorLite.java:167) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.werner.LoopAcceleratorLite.summarizeLoop(LoopAcceleratorLite.java:105) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorWernerOverapprox.accelerateLoop(AcceleratorWernerOverapprox.java:52) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:183) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 02:01:07,821 INFO L168 Benchmark]: Toolchain (without parser) took 4906.40 ms. Allocated memory was 160.4 MB in the beginning and 192.9 MB in the end (delta: 32.5 MB). Free memory was 136.4 MB in the beginning and 126.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 42.8 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:07,822 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 160.4 MB. Free memory is still 133.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:01:07,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.20 ms. Allocated memory is still 160.4 MB. Free memory was 135.2 MB in the beginning and 112.5 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:07,823 INFO L168 Benchmark]: Boogie Preprocessor took 132.45 ms. Allocated memory is still 160.4 MB. Free memory was 112.5 MB in the beginning and 109.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:07,824 INFO L168 Benchmark]: RCFGBuilder took 872.03 ms. Allocated memory is still 160.4 MB. Free memory was 109.6 MB in the beginning and 94.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.0 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:07,825 INFO L168 Benchmark]: TraceAbstraction took 3208.21 ms. Allocated memory was 160.4 MB in the beginning and 192.9 MB in the end (delta: 32.5 MB). Free memory was 94.4 MB in the beginning and 126.8 MB in the end (delta: -32.4 MB). Peak memory consumption was 589.8 kB. Max. memory is 8.0 GB. [2021-02-22 02:01:07,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 160.4 MB. Free memory is still 133.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 666.20 ms. Allocated memory is still 160.4 MB. Free memory was 135.2 MB in the beginning and 112.5 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 132.45 ms. Allocated memory is still 160.4 MB. Free memory was 112.5 MB in the beginning and 109.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 872.03 ms. Allocated memory is still 160.4 MB. Free memory was 109.6 MB in the beginning and 94.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3208.21 ms. Allocated memory was 160.4 MB in the beginning and 192.9 MB in the end (delta: 32.5 MB). Free memory was 94.4 MB in the beginning and 126.8 MB in the end (delta: -32.4 MB). Peak memory consumption was 589.8 kB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: cannot bring into simultaneous update form #memory_$Pointer$.base's outvar occurs in several conjuncts [(= |v_#length_17| (store |v_#length_18| |v_main_#t~malloc6.base_3| 8)), (= |v_#memory_int_41| (store |v_#memory_int_34| v_main_~end~0.base_34 (store (select |v_#memory_int_34| v_main_~end~0.base_34) v_main_~end~0.offset_34 (select (select |v_#memory_int_41| v_main_~end~0.base_34) v_main_~end~0.offset_34)))), (= |v_#memory_int_42| (store |v_#memory_int_41| v_main_~end~0.base_33 (store (select |v_#memory_int_41| v_main_~end~0.base_33) v_main_~end~0.offset_33 (select (select |v_#memory_int_42| v_main_~end~0.base_33) v_main_~end~0.offset_33)))), (<= 0 (+ |v_main_#t~nondet8_7| 2147483648)), (= (store |v_#valid_28| |v_main_#t~malloc6.base_3| 1) |v_#valid_27|), (<= 0 (+ |v_main_#t~nondet5_7| 2147483648)), (> 0 |v_main_#t~malloc6.base_3|), (= (select |v_#valid_28| |v_main_#t~malloc6.base_3|) 0), (= (let ((.cse0 (store |v_#memory_$Pointer$.base_35| v_main_~end~0.base_34 (store (select |v_#memory_$Pointer$.base_35| v_main_~end~0.base_34) v_main_~end~0.offset_34 |v_main_#t~malloc6.base_3|)))) (store .cse0 v_main_~end~0.base_33 (let ((.cse1 (+ v_main_~end~0.offset_33 4))) (store (store (select .cse0 v_main_~end~0.base_33) v_main_~end~0.offset_33 v_main_~null~0.base_17) .cse1 (select (select |v_#memory_$Pointer$.base_32| v_main_~end~0.base_33) .cse1))))) |v_#memory_$Pointer$.base_32|), (< |v_main_#t~nondet8_7| 0), (= |v_#memory_int_31| (store |v_#memory_int_42| v_main_~end~0.base_33 (store (select |v_#memory_int_42| v_main_~end~0.base_33) (+ v_main_~end~0.offset_33 4) v_rep~unnamed1~0~BLACK_1))), (= (let ((.cse0 (store |v_#memory_$Pointer$.offset_35| v_main_~end~0.base_34 (store (select |v_#memory_$Pointer$.offset_35| v_main_~end~0.base_34) v_main_~end~0.offset_34 |v_main_#t~malloc6.offset_3|)))) (store .cse0 v_main_~end~0.base_33 (let ((.cse1 (+ v_main_~end~0.offset_33 4))) (store (store (select .cse0 v_main_~end~0.base_33) v_main_~end~0.offset_33 v_main_~null~0.offset_17) .cse1 (select (select |v_#memory_$Pointer$.offset_32| v_main_~end~0.base_33) .cse1))))) |v_#memory_$Pointer$.offset_32|), (<= |v_main_#t~nondet8_7| 2147483647), (= |v_main_#t~malloc6.offset_3| v_main_~end~0.offset_33), (> |v_main_#t~nondet5_7| 0), (< |v_main_#t~malloc6.base_3| |v_#StackHeapBarrier_8|), (= v_main_~end~0.base_33 |v_main_#t~malloc6.base_3|), (<= |v_main_#t~nondet5_7| 2147483647), (= |v_main_#t~malloc6.offset_3| 0)] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: cannot bring into simultaneous update form #memory_$Pointer$.base's outvar occurs in several conjuncts [(= |v_#length_17| (store |v_#length_18| |v_main_#t~malloc6.base_3| 8)), (= |v_#memory_int_41| (store |v_#memory_int_34| v_main_~end~0.base_34 (store (select |v_#memory_int_34| v_main_~end~0.base_34) v_main_~end~0.offset_34 (select (select |v_#memory_int_41| v_main_~end~0.base_34) v_main_~end~0.offset_34)))), (= |v_#memory_int_42| (store |v_#memory_int_41| v_main_~end~0.base_33 (store (select |v_#memory_int_41| v_main_~end~0.base_33) v_main_~end~0.offset_33 (select (select |v_#memory_int_42| v_main_~end~0.base_33) v_main_~end~0.offset_33)))), (<= 0 (+ |v_main_#t~nondet8_7| 2147483648)), (= (store |v_#valid_28| |v_main_#t~malloc6.base_3| 1) |v_#valid_27|), (<= 0 (+ |v_main_#t~nondet5_7| 2147483648)), (> 0 |v_main_#t~malloc6.base_3|), (= (select |v_#valid_28| |v_main_#t~malloc6.base_3|) 0), (= (let ((.cse0 (store |v_#memory_$Pointer$.base_35| v_main_~end~0.base_34 (store (select |v_#memory_$Pointer$.base_35| v_main_~end~0.base_34) v_main_~end~0.offset_34 |v_main_#t~malloc6.base_3|)))) (store .cse0 v_main_~end~0.base_33 (let ((.cse1 (+ v_main_~end~0.offset_33 4))) (store (store (select .cse0 v_main_~end~0.base_33) v_main_~end~0.offset_33 v_main_~null~0.base_17) .cse1 (select (select |v_#memory_$Pointer$.base_32| v_main_~end~0.base_33) .cse1))))) |v_#memory_$Pointer$.base_32|), (< |v_main_#t~nondet8_7| 0), (= |v_#memory_int_31| (store |v_#memory_int_42| v_main_~end~0.base_33 (store (select |v_#memory_int_42| v_main_~end~0.base_33) (+ v_main_~end~0.offset_33 4) v_rep~unnamed1~0~BLACK_1))), (= (let ((.cse0 (store |v_#memory_$Pointer$.offset_35| v_main_~end~0.base_34 (store (select |v_#memory_$Pointer$.offset_35| v_main_~end~0.base_34) v_main_~end~0.offset_34 |v_main_#t~malloc6.offset_3|)))) (store .cse0 v_main_~end~0.base_33 (let ((.cse1 (+ v_main_~end~0.offset_33 4))) (store (store (select .cse0 v_main_~end~0.base_33) v_main_~end~0.offset_33 v_main_~null~0.offset_17) .cse1 (select (select |v_#memory_$Pointer$.offset_32| v_main_~end~0.base_33) .cse1))))) |v_#memory_$Pointer$.offset_32|), (<= |v_main_#t~nondet8_7| 2147483647), (= |v_main_#t~malloc6.offset_3| v_main_~end~0.offset_33), (> |v_main_#t~nondet5_7| 0), (< |v_main_#t~malloc6.base_3| |v_#StackHeapBarrier_8|), (= v_main_~end~0.base_33 |v_main_#t~malloc6.base_3|), (<= |v_main_#t~nondet5_7| 2147483647), (= |v_main_#t~malloc6.offset_3| 0)]: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.SimultaneousUpdate.(SimultaneousUpdate.java:107) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...