/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-circular-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:00:52,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:00:52,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:00:52,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 02:00:52,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 02:00:52,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 02:00:52,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 02:00:52,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 02:00:52,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 02:00:52,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 02:00:52,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 02:00:52,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 02:00:52,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:00:52,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:00:52,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:00:52,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:00:52,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:00:52,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:00:52,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:00:52,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:00:52,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:00:52,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:00:52,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:00:52,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:00:52,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 02:00:52,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 02:00:52,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 02:00:52,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 02:00:52,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 02:00:52,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 02:00:52,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 02:00:52,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 02:00:52,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 02:00:52,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 02:00:52,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 02:00:52,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 02:00:52,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 02:00:52,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 02:00:52,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:00:52,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:00:52,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:00:52,355 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 02:00:52,389 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:00:52,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:00:52,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:00:52,394 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:00:52,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:00:52,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:00:52,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:00:52,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:00:52,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:00:52,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:00:52,397 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:00:52,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:00:52,397 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:00:52,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:00:52,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:00:52,398 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:00:52,398 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:00:52,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:00:52,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:00:52,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:00:52,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:00:52,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:00:52,399 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:00:52,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:00:52,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:00:52,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:00:52,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:00:52,856 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:00:52,857 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:00:52,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-circular-2.i [2021-02-22 02:00:52,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98286e940/cd1f85866cf0492ebc697832a6df4cca/FLAGb0092ce23 [2021-02-22 02:00:53,648 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:00:53,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-circular-2.i [2021-02-22 02:00:53,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98286e940/cd1f85866cf0492ebc697832a6df4cca/FLAGb0092ce23 [2021-02-22 02:00:53,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98286e940/cd1f85866cf0492ebc697832a6df4cca [2021-02-22 02:00:53,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:00:53,882 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:00:53,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:00:53,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:00:53,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:00:53,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:00:53" (1/1) ... [2021-02-22 02:00:53,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3762b723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:53, skipping insertion in model container [2021-02-22 02:00:53,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:00:53" (1/1) ... [2021-02-22 02:00:53,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:00:53,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:00:54,297 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-circular-2.i[22324,22337] [2021-02-22 02:00:54,304 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-circular-2.i[22430,22443] [2021-02-22 02:00:54,307 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-circular-2.i[22554,22567] [2021-02-22 02:00:54,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:00:54,323 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:00:54,384 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-circular-2.i[22324,22337] [2021-02-22 02:00:54,386 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-circular-2.i[22430,22443] [2021-02-22 02:00:54,392 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-circular-2.i[22554,22567] [2021-02-22 02:00:54,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:00:54,476 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:00:54,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:54 WrapperNode [2021-02-22 02:00:54,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:00:54,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:00:54,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:00:54,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:00:54,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:54" (1/1) ... [2021-02-22 02:00:54,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:54" (1/1) ... [2021-02-22 02:00:54,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:54" (1/1) ... [2021-02-22 02:00:54,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:54" (1/1) ... [2021-02-22 02:00:54,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:54" (1/1) ... [2021-02-22 02:00:54,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:54" (1/1) ... [2021-02-22 02:00:54,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:54" (1/1) ... [2021-02-22 02:00:54,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:00:54,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:00:54,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:00:54,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:00:54,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:54" (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 02:00:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:00:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:00:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:00:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:00:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-22 02:00:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-22 02:00:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-22 02:00:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-22 02:00:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-22 02:00:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-22 02:00:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-22 02:00:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-22 02:00:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-22 02:00:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-22 02:00:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-22 02:00:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-22 02:00:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-22 02:00:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-22 02:00:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-22 02:00:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-22 02:00:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-22 02:00:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-22 02:00:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-22 02:00:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-22 02:00:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-22 02:00:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-22 02:00:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-22 02:00:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-22 02:00:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-22 02:00:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-22 02:00:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-22 02:00:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-22 02:00:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-22 02:00:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-22 02:00:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-22 02:00:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-22 02:00:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-22 02:00:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-22 02:00:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-22 02:00:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-22 02:00:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-22 02:00:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-22 02:00:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-22 02:00:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-22 02:00:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-22 02:00:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-22 02:00:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-22 02:00:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-22 02:00:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-22 02:00:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-22 02:00:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-22 02:00:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-22 02:00:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-22 02:00:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-22 02:00:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 02:00:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-22 02:00:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-22 02:00:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 02:00:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-22 02:00:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-22 02:00:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-22 02:00:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-22 02:00:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-22 02:00:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:00:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-22 02:00:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-22 02:00:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-22 02:00:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:00:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-22 02:00:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-22 02:00:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-22 02:00:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-22 02:00:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-22 02:00:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-22 02:00:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-22 02:00:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-22 02:00:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-22 02:00:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-22 02:00:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-22 02:00:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-22 02:00:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-22 02:00:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-22 02:00:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-22 02:00:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-22 02:00:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-22 02:00:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-22 02:00:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-22 02:00:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-22 02:00:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-22 02:00:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-22 02:00:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-22 02:00:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-22 02:00:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-22 02:00:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-22 02:00:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-22 02:00:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-22 02:00:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-22 02:00:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-22 02:00:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-22 02:00:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-22 02:00:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-22 02:00:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-22 02:00:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-22 02:00:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-22 02:00:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-22 02:00:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-22 02:00:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-22 02:00:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:00:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:00:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 02:00:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 02:00:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:00:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:00:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:00:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 02:00:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 02:00:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:00:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 02:00:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:00:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:00:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:00:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:00:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:00:55,370 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:00:55,371 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-02-22 02:00:55,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:00:55 BoogieIcfgContainer [2021-02-22 02:00:55,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:00:55,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:00:55,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:00:55,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:00:55,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:00:53" (1/3) ... [2021-02-22 02:00:55,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c67fc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:00:55, skipping insertion in model container [2021-02-22 02:00:55,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:54" (2/3) ... [2021-02-22 02:00:55,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c67fc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:00:55, skipping insertion in model container [2021-02-22 02:00:55,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:00:55" (3/3) ... [2021-02-22 02:00:55,386 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-circular-2.i [2021-02-22 02:00:55,400 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:00:55,407 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-02-22 02:00:55,431 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-02-22 02:00:55,473 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:00:55,473 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:00:55,474 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:00:55,475 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:00:55,481 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:00:55,482 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:00:55,482 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:00:55,482 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:00:55,514 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2021-02-22 02:00:55,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-02-22 02:00:55,531 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:00:55,532 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] [2021-02-22 02:00:55,532 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:00:55,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:00:55,543 INFO L82 PathProgramCache]: Analyzing trace with hash -907684247, now seen corresponding path program 1 times [2021-02-22 02:00:55,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:00:55,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490495053] [2021-02-22 02:00:55,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:00:55,665 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:00:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:55,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:55,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:55,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:00:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:55,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:55,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:55,908 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 02:00:55,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490495053] [2021-02-22 02:00:55,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:00:55,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-22 02:00:55,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349626883] [2021-02-22 02:00:55,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-22 02:00:55,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:00:55,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-22 02:00:55,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-22 02:00:55,944 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 3 states. [2021-02-22 02:00:56,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:00:56,200 INFO L93 Difference]: Finished difference Result 180 states and 216 transitions. [2021-02-22 02:00:56,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-22 02:00:56,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-02-22 02:00:56,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:00:56,213 INFO L225 Difference]: With dead ends: 180 [2021-02-22 02:00:56,213 INFO L226 Difference]: Without dead ends: 78 [2021-02-22 02:00:56,218 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 02:00:56,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-02-22 02:00:56,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-02-22 02:00:56,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2021-02-22 02:00:56,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 83 transitions. [2021-02-22 02:00:56,273 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 83 transitions. Word has length 24 [2021-02-22 02:00:56,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:00:56,273 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 83 transitions. [2021-02-22 02:00:56,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-22 02:00:56,274 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 83 transitions. [2021-02-22 02:00:56,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-02-22 02:00:56,275 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:00:56,275 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] [2021-02-22 02:00:56,276 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:00:56,276 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:00:56,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:00:56,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1788525391, now seen corresponding path program 1 times [2021-02-22 02:00:56,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:00:56,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974514559] [2021-02-22 02:00:56,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:00:56,284 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:00:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:56,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:56,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:56,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:56,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:00:56,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:56,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:00:56,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:56,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 02:00:56,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:56,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 02:00:56,506 WARN L141 QuantifierPusher]: treesize reduction 8, result has 80.5 percent of original size [2021-02-22 02:00:56,509 WARN L147 QuantifierPusher]: treesize reduction 8, result has 80.5 percent of original size 33 [2021-02-22 02:00:56,549 WARN L141 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size [2021-02-22 02:00:56,550 WARN L147 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size 8 [2021-02-22 02:00:56,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:56,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:00:56,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:56,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:00:56,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:56,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:56,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:00:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:56,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:56,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:56,625 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 02:00:56,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974514559] [2021-02-22 02:00:56,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:00:56,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-22 02:00:56,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461837229] [2021-02-22 02:00:56,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-22 02:00:56,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:00:56,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-22 02:00:56,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-22 02:00:56,628 INFO L87 Difference]: Start difference. First operand 78 states and 83 transitions. Second operand 10 states. [2021-02-22 02:00:57,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:00:57,175 INFO L93 Difference]: Finished difference Result 153 states and 161 transitions. [2021-02-22 02:00:57,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-22 02:00:57,175 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2021-02-22 02:00:57,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:00:57,178 INFO L225 Difference]: With dead ends: 153 [2021-02-22 02:00:57,178 INFO L226 Difference]: Without dead ends: 151 [2021-02-22 02:00:57,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2021-02-22 02:00:57,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-02-22 02:00:57,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 86. [2021-02-22 02:00:57,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2021-02-22 02:00:57,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 92 transitions. [2021-02-22 02:00:57,206 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 92 transitions. Word has length 26 [2021-02-22 02:00:57,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:00:57,207 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 92 transitions. [2021-02-22 02:00:57,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-22 02:00:57,207 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2021-02-22 02:00:57,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-02-22 02:00:57,209 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:00:57,209 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] [2021-02-22 02:00:57,209 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 02:00:57,209 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:00:57,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:00:57,210 INFO L82 PathProgramCache]: Analyzing trace with hash -113339385, now seen corresponding path program 1 times [2021-02-22 02:00:57,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:00:57,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [99113876] [2021-02-22 02:00:57,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:00:57,217 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:00:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:57,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:57,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:57,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:57,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:00:57,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:57,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 02:00:57,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:57,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:00:57,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:57,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:00:57,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:57,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:57,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:00:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:57,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:57,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:57,347 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 02:00:57,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [99113876] [2021-02-22 02:00:57,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:00:57,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-22 02:00:57,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041551016] [2021-02-22 02:00:57,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-22 02:00:57,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:00:57,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-22 02:00:57,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-22 02:00:57,351 INFO L87 Difference]: Start difference. First operand 86 states and 92 transitions. Second operand 7 states. [2021-02-22 02:00:57,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:00:57,706 INFO L93 Difference]: Finished difference Result 122 states and 129 transitions. [2021-02-22 02:00:57,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-22 02:00:57,707 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2021-02-22 02:00:57,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:00:57,712 INFO L225 Difference]: With dead ends: 122 [2021-02-22 02:00:57,713 INFO L226 Difference]: Without dead ends: 120 [2021-02-22 02:00:57,714 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-02-22 02:00:57,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-02-22 02:00:57,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 84. [2021-02-22 02:00:57,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-02-22 02:00:57,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 90 transitions. [2021-02-22 02:00:57,752 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 90 transitions. Word has length 32 [2021-02-22 02:00:57,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:00:57,753 INFO L480 AbstractCegarLoop]: Abstraction has 84 states and 90 transitions. [2021-02-22 02:00:57,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-22 02:00:57,753 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2021-02-22 02:00:57,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-02-22 02:00:57,755 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:00:57,755 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] [2021-02-22 02:00:57,755 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 02:00:57,756 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:00:57,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:00:57,757 INFO L82 PathProgramCache]: Analyzing trace with hash -189147582, now seen corresponding path program 1 times [2021-02-22 02:00:57,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:00:57,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873256692] [2021-02-22 02:00:57,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:00:57,767 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:00:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:57,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:57,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:57,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:57,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:00:57,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:57,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:57,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:00:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:57,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:57,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:57,902 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 02:00:57,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873256692] [2021-02-22 02:00:57,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:00:57,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-22 02:00:57,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738658168] [2021-02-22 02:00:57,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-22 02:00:57,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:00:57,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-22 02:00:57,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-22 02:00:57,907 INFO L87 Difference]: Start difference. First operand 84 states and 90 transitions. Second operand 4 states. [2021-02-22 02:00:58,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:00:58,068 INFO L93 Difference]: Finished difference Result 199 states and 214 transitions. [2021-02-22 02:00:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-22 02:00:58,069 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2021-02-22 02:00:58,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:00:58,070 INFO L225 Difference]: With dead ends: 199 [2021-02-22 02:00:58,070 INFO L226 Difference]: Without dead ends: 140 [2021-02-22 02:00:58,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-22 02:00:58,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-02-22 02:00:58,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 101. [2021-02-22 02:00:58,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-02-22 02:00:58,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 109 transitions. [2021-02-22 02:00:58,091 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 109 transitions. Word has length 37 [2021-02-22 02:00:58,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:00:58,091 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 109 transitions. [2021-02-22 02:00:58,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-22 02:00:58,092 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 109 transitions. [2021-02-22 02:00:58,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-02-22 02:00:58,093 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:00:58,094 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] [2021-02-22 02:00:58,094 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 02:00:58,094 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:00:58,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:00:58,095 INFO L82 PathProgramCache]: Analyzing trace with hash 165497749, now seen corresponding path program 1 times [2021-02-22 02:00:58,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:00:58,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193922869] [2021-02-22 02:00:58,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:00:58,165 WARN L141 QuantifierPusher]: treesize reduction 11, result has 93.8 percent of original size [2021-02-22 02:00:58,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:58,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:58,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:58,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:58,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 02:00:58,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:00:58,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:58,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:58,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:58,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:58,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 02:00:58,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 02:00:58,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:58,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:58,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:58,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:58,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 02:00:58,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 02:00:58,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:58,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:58,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:58,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:58,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:58,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:58,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 02:00:58,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 02:00:58,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:58,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:58,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 02:00:58,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 02:00:58,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:00:58,266 WARN L141 QuantifierPusher]: treesize reduction 98, result has 1.0 percent of original size [2021-02-22 02:00:58,266 WARN L147 QuantifierPusher]: treesize reduction 98, result has 1.0 percent of original size 1 [2021-02-22 02:00:58,267 WARN L147 QuantifierPusher]: treesize reduction 11, result has 93.8 percent of original size 167 [2021-02-22 02:00:58,273 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 [(<= 0 (+ |v_main_#t~nondet4_7| 2147483648)), (= (store |v_#memory_int_25| v_main_~x~0.base_26 (store (select |v_#memory_int_25| v_main_~x~0.base_26) v_main_~x~0.offset_26 (select (select |v_#memory_int_33| v_main_~x~0.base_26) v_main_~x~0.offset_26))) |v_#memory_int_33|), (> v_main_~x~0.base_25 0), (= |v_#memory_int_32| (store |v_#memory_int_33| v_main_~x~0.base_25 (store (select |v_#memory_int_33| v_main_~x~0.base_25) v_main_~x~0.offset_25 (select (select |v_#memory_int_32| v_main_~x~0.base_25) v_main_~x~0.offset_25)))), (= |v_#memory_int_22| (store |v_#memory_int_32| v_main_~x~0.base_25 (store (select |v_#memory_int_32| v_main_~x~0.base_25) (+ v_main_~x~0.offset_25 4) v_main_~state~0_10))), (= |v_main_#t~nondet7_7| 0), (= (select |v_#valid_20| |v_main_#t~malloc5.base_3|) 0), (= |v_main_#t~malloc5.offset_3| v_main_~x~0.offset_25), (< |v_main_#t~malloc5.base_3| |v_#StackHeapBarrier_6|), (= (let ((.cse0 (store |v_#memory_$Pointer$.offset_25| v_main_~x~0.base_26 (store (select |v_#memory_$Pointer$.offset_25| v_main_~x~0.base_26) v_main_~x~0.offset_26 |v_main_#t~malloc5.offset_3|)))) (store .cse0 v_main_~x~0.base_25 (let ((.cse1 (+ v_main_~x~0.offset_25 4))) (store (store (select .cse0 v_main_~x~0.base_25) v_main_~x~0.offset_25 v_main_~head~0.offset_10) .cse1 (select (select |v_#memory_$Pointer$.offset_22| v_main_~x~0.base_25) .cse1))))) |v_#memory_$Pointer$.offset_22|), (< |v_main_#t~malloc5.base_3| 0), (= |v_#valid_19| (store |v_#valid_20| |v_main_#t~malloc5.base_3| 1)), (< |v_main_#t~nondet4_7| 0), (<= 0 (+ |v_main_#t~nondet7_7| 2147483648)), (<= |v_main_#t~nondet7_7| 2147483647), (= (let ((.cse0 (store |v_#memory_$Pointer$.base_25| v_main_~x~0.base_26 (store (select |v_#memory_$Pointer$.base_25| v_main_~x~0.base_26) v_main_~x~0.offset_26 |v_main_#t~malloc5.base_3|)))) (store .cse0 v_main_~x~0.base_25 (let ((.cse1 (+ v_main_~x~0.offset_25 4))) (store (store (select .cse0 v_main_~x~0.base_25) v_main_~x~0.offset_25 v_main_~head~0.base_10) .cse1 (select (select |v_#memory_$Pointer$.base_22| v_main_~x~0.base_25) .cse1))))) |v_#memory_$Pointer$.base_22|), (<= |v_main_#t~nondet4_7| 2147483647), (= |v_#length_13| (store |v_#length_14| |v_main_#t~malloc5.base_3| 8)), (= |v_main_#t~malloc5.base_3| v_main_~x~0.base_25), (= |v_main_#t~malloc5.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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 02:00:58,279 INFO L168 Benchmark]: Toolchain (without parser) took 4412.60 ms. Allocated memory was 159.4 MB in the beginning and 206.6 MB in the end (delta: 47.2 MB). Free memory was 115.2 MB in the beginning and 128.3 MB in the end (delta: -13.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:00:58,279 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 159.4 MB. Free memory is still 134.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:00:58,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.71 ms. Allocated memory is still 159.4 MB. Free memory was 114.1 MB in the beginning and 91.5 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-22 02:00:58,281 INFO L168 Benchmark]: Boogie Preprocessor took 123.52 ms. Allocated memory is still 159.4 MB. Free memory was 91.5 MB in the beginning and 140.8 MB in the end (delta: -49.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2021-02-22 02:00:58,281 INFO L168 Benchmark]: RCFGBuilder took 770.21 ms. Allocated memory is still 159.4 MB. Free memory was 140.8 MB in the beginning and 94.2 MB in the end (delta: 46.7 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. [2021-02-22 02:00:58,282 INFO L168 Benchmark]: TraceAbstraction took 2900.41 ms. Allocated memory was 159.4 MB in the beginning and 206.6 MB in the end (delta: 47.2 MB). Free memory was 93.7 MB in the beginning and 128.3 MB in the end (delta: -34.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:00:58,285 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 159.4 MB. Free memory is still 134.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 592.71 ms. Allocated memory is still 159.4 MB. Free memory was 114.1 MB in the beginning and 91.5 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 123.52 ms. Allocated memory is still 159.4 MB. Free memory was 91.5 MB in the beginning and 140.8 MB in the end (delta: -49.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 770.21 ms. Allocated memory is still 159.4 MB. Free memory was 140.8 MB in the beginning and 94.2 MB in the end (delta: 46.7 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2900.41 ms. Allocated memory was 159.4 MB in the beginning and 206.6 MB in the end (delta: 47.2 MB). Free memory was 93.7 MB in the beginning and 128.3 MB in the end (delta: -34.6 MB). Peak memory consumption was 14.1 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 #memory_$Pointer$.base's outvar occurs in several conjuncts [(<= 0 (+ |v_main_#t~nondet4_7| 2147483648)), (= (store |v_#memory_int_25| v_main_~x~0.base_26 (store (select |v_#memory_int_25| v_main_~x~0.base_26) v_main_~x~0.offset_26 (select (select |v_#memory_int_33| v_main_~x~0.base_26) v_main_~x~0.offset_26))) |v_#memory_int_33|), (> v_main_~x~0.base_25 0), (= |v_#memory_int_32| (store |v_#memory_int_33| v_main_~x~0.base_25 (store (select |v_#memory_int_33| v_main_~x~0.base_25) v_main_~x~0.offset_25 (select (select |v_#memory_int_32| v_main_~x~0.base_25) v_main_~x~0.offset_25)))), (= |v_#memory_int_22| (store |v_#memory_int_32| v_main_~x~0.base_25 (store (select |v_#memory_int_32| v_main_~x~0.base_25) (+ v_main_~x~0.offset_25 4) v_main_~state~0_10))), (= |v_main_#t~nondet7_7| 0), (= (select |v_#valid_20| |v_main_#t~malloc5.base_3|) 0), (= |v_main_#t~malloc5.offset_3| v_main_~x~0.offset_25), (< |v_main_#t~malloc5.base_3| |v_#StackHeapBarrier_6|), (= (let ((.cse0 (store |v_#memory_$Pointer$.offset_25| v_main_~x~0.base_26 (store (select |v_#memory_$Pointer$.offset_25| v_main_~x~0.base_26) v_main_~x~0.offset_26 |v_main_#t~malloc5.offset_3|)))) (store .cse0 v_main_~x~0.base_25 (let ((.cse1 (+ v_main_~x~0.offset_25 4))) (store (store (select .cse0 v_main_~x~0.base_25) v_main_~x~0.offset_25 v_main_~head~0.offset_10) .cse1 (select (select |v_#memory_$Pointer$.offset_22| v_main_~x~0.base_25) .cse1))))) |v_#memory_$Pointer$.offset_22|), (< |v_main_#t~malloc5.base_3| 0), (= |v_#valid_19| (store |v_#valid_20| |v_main_#t~malloc5.base_3| 1)), (< |v_main_#t~nondet4_7| 0), (<= 0 (+ |v_main_#t~nondet7_7| 2147483648)), (<= |v_main_#t~nondet7_7| 2147483647), (= (let ((.cse0 (store |v_#memory_$Pointer$.base_25| v_main_~x~0.base_26 (store (select |v_#memory_$Pointer$.base_25| v_main_~x~0.base_26) v_main_~x~0.offset_26 |v_main_#t~malloc5.base_3|)))) (store .cse0 v_main_~x~0.base_25 (let ((.cse1 (+ v_main_~x~0.offset_25 4))) (store (store (select .cse0 v_main_~x~0.base_25) v_main_~x~0.offset_25 v_main_~head~0.base_10) .cse1 (select (select |v_#memory_$Pointer$.base_22| v_main_~x~0.base_25) .cse1))))) |v_#memory_$Pointer$.base_22|), (<= |v_main_#t~nondet4_7| 2147483647), (= |v_#length_13| (store |v_#length_14| |v_main_#t~malloc5.base_3| 8)), (= |v_main_#t~malloc5.base_3| v_main_~x~0.base_25), (= |v_main_#t~malloc5.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 [(<= 0 (+ |v_main_#t~nondet4_7| 2147483648)), (= (store |v_#memory_int_25| v_main_~x~0.base_26 (store (select |v_#memory_int_25| v_main_~x~0.base_26) v_main_~x~0.offset_26 (select (select |v_#memory_int_33| v_main_~x~0.base_26) v_main_~x~0.offset_26))) |v_#memory_int_33|), (> v_main_~x~0.base_25 0), (= |v_#memory_int_32| (store |v_#memory_int_33| v_main_~x~0.base_25 (store (select |v_#memory_int_33| v_main_~x~0.base_25) v_main_~x~0.offset_25 (select (select |v_#memory_int_32| v_main_~x~0.base_25) v_main_~x~0.offset_25)))), (= |v_#memory_int_22| (store |v_#memory_int_32| v_main_~x~0.base_25 (store (select |v_#memory_int_32| v_main_~x~0.base_25) (+ v_main_~x~0.offset_25 4) v_main_~state~0_10))), (= |v_main_#t~nondet7_7| 0), (= (select |v_#valid_20| |v_main_#t~malloc5.base_3|) 0), (= |v_main_#t~malloc5.offset_3| v_main_~x~0.offset_25), (< |v_main_#t~malloc5.base_3| |v_#StackHeapBarrier_6|), (= (let ((.cse0 (store |v_#memory_$Pointer$.offset_25| v_main_~x~0.base_26 (store (select |v_#memory_$Pointer$.offset_25| v_main_~x~0.base_26) v_main_~x~0.offset_26 |v_main_#t~malloc5.offset_3|)))) (store .cse0 v_main_~x~0.base_25 (let ((.cse1 (+ v_main_~x~0.offset_25 4))) (store (store (select .cse0 v_main_~x~0.base_25) v_main_~x~0.offset_25 v_main_~head~0.offset_10) .cse1 (select (select |v_#memory_$Pointer$.offset_22| v_main_~x~0.base_25) .cse1))))) |v_#memory_$Pointer$.offset_22|), (< |v_main_#t~malloc5.base_3| 0), (= |v_#valid_19| (store |v_#valid_20| |v_main_#t~malloc5.base_3| 1)), (< |v_main_#t~nondet4_7| 0), (<= 0 (+ |v_main_#t~nondet7_7| 2147483648)), (<= |v_main_#t~nondet7_7| 2147483647), (= (let ((.cse0 (store |v_#memory_$Pointer$.base_25| v_main_~x~0.base_26 (store (select |v_#memory_$Pointer$.base_25| v_main_~x~0.base_26) v_main_~x~0.offset_26 |v_main_#t~malloc5.base_3|)))) (store .cse0 v_main_~x~0.base_25 (let ((.cse1 (+ v_main_~x~0.offset_25 4))) (store (store (select .cse0 v_main_~x~0.base_25) v_main_~x~0.offset_25 v_main_~head~0.base_10) .cse1 (select (select |v_#memory_$Pointer$.base_22| v_main_~x~0.base_25) .cse1))))) |v_#memory_$Pointer$.base_22|), (<= |v_main_#t~nondet4_7| 2147483647), (= |v_#length_13| (store |v_#length_14| |v_main_#t~malloc5.base_3| 8)), (= |v_main_#t~malloc5.base_3| v_main_~x~0.base_25), (= |v_main_#t~malloc5.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...