/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-36cd7be [2021-02-24 04:25:46,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:25:46,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:25:46,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 04:25:46,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 04:25:46,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 04:25:46,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 04:25:46,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 04:25:46,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 04:25:46,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 04:25:46,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 04:25:46,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 04:25:46,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:25:46,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:25:46,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:25:46,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:25:46,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:25:46,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:25:46,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:25:46,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:25:46,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:25:46,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:25:46,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:25:46,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:25:46,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 04:25:46,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 04:25:46,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 04:25:46,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 04:25:46,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 04:25:46,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 04:25:46,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 04:25:46,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 04:25:46,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 04:25:46,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 04:25:46,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 04:25:46,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 04:25:46,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 04:25:46,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 04:25:46,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:25:46,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:25:46,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:25:46,264 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:25:46,286 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:25:46,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:25:46,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:25:46,291 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:25:46,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:25:46,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:25:46,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:25:46,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:25:46,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:25:46,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:25:46,293 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:25:46,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:25:46,293 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:25:46,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:25:46,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:25:46,294 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:25:46,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:25:46,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:25:46,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:25:46,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:25:46,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:25:46,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:25:46,295 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:25:46,295 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:25:46,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:25:46,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:25:46,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:25:46,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:25:46,709 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:25:46,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-circular-2.i [2021-02-24 04:25:46,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17c9f41f3/697323eacb73481b90e849e593927841/FLAG191b50902 [2021-02-24 04:25:47,469 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:25:47,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-circular-2.i [2021-02-24 04:25:47,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17c9f41f3/697323eacb73481b90e849e593927841/FLAG191b50902 [2021-02-24 04:25:47,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17c9f41f3/697323eacb73481b90e849e593927841 [2021-02-24 04:25:47,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:25:47,779 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:25:47,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:25:47,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:25:47,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:25:47,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:25:47" (1/1) ... [2021-02-24 04:25:47,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff58ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:47, skipping insertion in model container [2021-02-24 04:25:47,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:25:47" (1/1) ... [2021-02-24 04:25:47,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:25:47,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:25:48,163 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] [2021-02-24 04:25:48,169 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] [2021-02-24 04:25:48,172 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] [2021-02-24 04:25:48,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:25:48,188 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:25:48,245 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] [2021-02-24 04:25:48,250 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] [2021-02-24 04:25:48,254 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] [2021-02-24 04:25:48,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:25:48,313 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:25:48,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:48 WrapperNode [2021-02-24 04:25:48,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:25:48,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:25:48,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:25:48,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:25:48,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:48" (1/1) ... [2021-02-24 04:25:48,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:48" (1/1) ... [2021-02-24 04:25:48,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:48" (1/1) ... [2021-02-24 04:25:48,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:48" (1/1) ... [2021-02-24 04:25:48,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:48" (1/1) ... [2021-02-24 04:25:48,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:48" (1/1) ... [2021-02-24 04:25:48,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:48" (1/1) ... [2021-02-24 04:25:48,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:25:48,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:25:48,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:25:48,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:25:48,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:25:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:25:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:25:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:25:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:25:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-24 04:25:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-24 04:25:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-24 04:25:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-24 04:25:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-24 04:25:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-24 04:25:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-24 04:25:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-24 04:25:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-24 04:25:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-24 04:25:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-24 04:25:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-24 04:25:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-24 04:25:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-24 04:25:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-24 04:25:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-24 04:25:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-24 04:25:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-24 04:25:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-24 04:25:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-24 04:25:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-24 04:25:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-24 04:25:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-24 04:25:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-24 04:25:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-24 04:25:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-24 04:25:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-24 04:25:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-24 04:25:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-24 04:25:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-24 04:25:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-24 04:25:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-24 04:25:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-24 04:25:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-24 04:25:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-24 04:25:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-24 04:25:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-24 04:25:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-24 04:25:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-24 04:25:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-24 04:25:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-24 04:25:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-24 04:25:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-24 04:25:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-24 04:25:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-24 04:25:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-24 04:25:48,548 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-24 04:25:48,548 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-24 04:25:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-24 04:25:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-24 04:25:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 04:25:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-24 04:25:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-24 04:25:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 04:25:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-24 04:25:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-24 04:25:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-24 04:25:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-24 04:25:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-24 04:25:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:25:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-24 04:25:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-24 04:25:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-24 04:25:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:25:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-24 04:25:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-24 04:25:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-24 04:25:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-24 04:25:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-24 04:25:48,558 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-24 04:25:48,558 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-24 04:25:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-24 04:25:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-24 04:25:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-24 04:25:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-24 04:25:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-24 04:25:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-24 04:25:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-24 04:25:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-24 04:25:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-24 04:25:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-24 04:25:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-24 04:25:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-24 04:25:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-24 04:25:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-24 04:25:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-24 04:25:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-24 04:25:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-24 04:25:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-24 04:25:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-24 04:25:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-24 04:25:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-24 04:25:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-24 04:25:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-24 04:25:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-24 04:25:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-24 04:25:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-24 04:25:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-24 04:25:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-24 04:25:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-24 04:25:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-24 04:25:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-24 04:25:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-24 04:25:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:25:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:25:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-24 04:25:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-24 04:25:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:25:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:25:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:25:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 04:25:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 04:25:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:25:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 04:25:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:25:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:25:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:25:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:25:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:25:49,273 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:25:49,274 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-02-24 04:25:49,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:25:49 BoogieIcfgContainer [2021-02-24 04:25:49,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:25:49,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:25:49,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:25:49,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:25:49,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:25:47" (1/3) ... [2021-02-24 04:25:49,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cf2397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:25:49, skipping insertion in model container [2021-02-24 04:25:49,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:48" (2/3) ... [2021-02-24 04:25:49,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cf2397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:25:49, skipping insertion in model container [2021-02-24 04:25:49,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:25:49" (3/3) ... [2021-02-24 04:25:49,286 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-circular-2.i [2021-02-24 04:25:49,293 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:25:49,299 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-02-24 04:25:49,321 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-02-24 04:25:49,348 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:25:49,348 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:25:49,348 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:25:49,348 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:25:49,349 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:25:49,349 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:25:49,349 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:25:49,349 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:25:49,368 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2021-02-24 04:25:49,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-02-24 04:25:49,379 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:25:49,380 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] [2021-02-24 04:25:49,380 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:25:49,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:25:49,388 INFO L82 PathProgramCache]: Analyzing trace with hash -907684247, now seen corresponding path program 1 times [2021-02-24 04:25:49,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:25:49,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273606332] [2021-02-24 04:25:49,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:25:49,499 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:25:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:49,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:49,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:49,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:49,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:49,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:25:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:49,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:49,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:49,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:25:49,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273606332] [2021-02-24 04:25:49,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:25:49,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-24 04:25:49,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338695575] [2021-02-24 04:25:49,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-24 04:25:49,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:25:49,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-24 04:25:49,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 04:25:49,724 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 3 states. [2021-02-24 04:25:50,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:25:50,055 INFO L93 Difference]: Finished difference Result 180 states and 216 transitions. [2021-02-24 04:25:50,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-24 04:25:50,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-02-24 04:25:50,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:25:50,069 INFO L225 Difference]: With dead ends: 180 [2021-02-24 04:25:50,069 INFO L226 Difference]: Without dead ends: 78 [2021-02-24 04:25:50,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 04:25:50,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-02-24 04:25:50,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-02-24 04:25:50,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2021-02-24 04:25:50,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 83 transitions. [2021-02-24 04:25:50,126 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 83 transitions. Word has length 24 [2021-02-24 04:25:50,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:25:50,127 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 83 transitions. [2021-02-24 04:25:50,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-24 04:25:50,127 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 83 transitions. [2021-02-24 04:25:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-02-24 04:25:50,128 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:25:50,129 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] [2021-02-24 04:25:50,129 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:25:50,129 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:25:50,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:25:50,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1788525391, now seen corresponding path program 1 times [2021-02-24 04:25:50,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:25:50,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1196423796] [2021-02-24 04:25:50,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:25:50,137 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:25:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:50,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:50,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:50,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:50,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:25:50,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:50,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:25:50,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:50,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 04:25:50,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:50,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 04:25:50,292 WARN L141 QuantifierPusher]: treesize reduction 8, result has 80.5 percent of original size [2021-02-24 04:25:50,294 WARN L147 QuantifierPusher]: treesize reduction 8, result has 80.5 percent of original size 33 [2021-02-24 04:25:50,324 WARN L141 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size [2021-02-24 04:25:50,324 WARN L147 QuantifierPusher]: treesize reduction 8, result has 50.0 percent of original size 8 [2021-02-24 04:25:50,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:50,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:25:50,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:50,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:25:50,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:50,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:50,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:25:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:50,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:50,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:25:50,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1196423796] [2021-02-24 04:25:50,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:25:50,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-24 04:25:50,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092930804] [2021-02-24 04:25:50,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-24 04:25:50,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:25:50,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-24 04:25:50,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-24 04:25:50,399 INFO L87 Difference]: Start difference. First operand 78 states and 83 transitions. Second operand 10 states. [2021-02-24 04:25:50,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:25:50,900 INFO L93 Difference]: Finished difference Result 153 states and 161 transitions. [2021-02-24 04:25:50,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-24 04:25:50,901 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2021-02-24 04:25:50,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:25:50,903 INFO L225 Difference]: With dead ends: 153 [2021-02-24 04:25:50,904 INFO L226 Difference]: Without dead ends: 151 [2021-02-24 04:25:50,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2021-02-24 04:25:50,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-02-24 04:25:50,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 86. [2021-02-24 04:25:50,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2021-02-24 04:25:50,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 92 transitions. [2021-02-24 04:25:50,928 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 92 transitions. Word has length 26 [2021-02-24 04:25:50,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:25:50,929 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 92 transitions. [2021-02-24 04:25:50,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-24 04:25:50,929 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2021-02-24 04:25:50,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-02-24 04:25:50,931 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:25:50,931 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] [2021-02-24 04:25:50,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 04:25:50,932 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:25:50,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:25:50,933 INFO L82 PathProgramCache]: Analyzing trace with hash -113339385, now seen corresponding path program 1 times [2021-02-24 04:25:50,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:25:50,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1900504185] [2021-02-24 04:25:50,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:25:50,948 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:25:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:51,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:51,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:25:51,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 04:25:51,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:25:51,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:25:51,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:51,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:25:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:51,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:25:51,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1900504185] [2021-02-24 04:25:51,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:25:51,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 04:25:51,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349310299] [2021-02-24 04:25:51,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 04:25:51,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:25:51,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 04:25:51,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-24 04:25:51,157 INFO L87 Difference]: Start difference. First operand 86 states and 92 transitions. Second operand 7 states. [2021-02-24 04:25:51,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:25:51,513 INFO L93 Difference]: Finished difference Result 122 states and 129 transitions. [2021-02-24 04:25:51,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-24 04:25:51,514 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2021-02-24 04:25:51,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:25:51,516 INFO L225 Difference]: With dead ends: 122 [2021-02-24 04:25:51,516 INFO L226 Difference]: Without dead ends: 120 [2021-02-24 04:25:51,517 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 [2021-02-24 04:25:51,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-02-24 04:25:51,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 84. [2021-02-24 04:25:51,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-02-24 04:25:51,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 90 transitions. [2021-02-24 04:25:51,535 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 90 transitions. Word has length 32 [2021-02-24 04:25:51,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:25:51,536 INFO L480 AbstractCegarLoop]: Abstraction has 84 states and 90 transitions. [2021-02-24 04:25:51,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 04:25:51,536 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2021-02-24 04:25:51,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-02-24 04:25:51,538 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:25:51,538 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] [2021-02-24 04:25:51,538 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 04:25:51,538 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:25:51,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:25:51,539 INFO L82 PathProgramCache]: Analyzing trace with hash -189147582, now seen corresponding path program 1 times [2021-02-24 04:25:51,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:25:51,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030223904] [2021-02-24 04:25:51,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:25:51,544 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:25:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:51,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:51,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:25:51,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:51,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:25:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:51,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:51,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:25:51,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030223904] [2021-02-24 04:25:51,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:25:51,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 04:25:51,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032573017] [2021-02-24 04:25:51,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 04:25:51,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:25:51,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 04:25:51,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 04:25:51,622 INFO L87 Difference]: Start difference. First operand 84 states and 90 transitions. Second operand 4 states. [2021-02-24 04:25:51,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:25:51,791 INFO L93 Difference]: Finished difference Result 199 states and 214 transitions. [2021-02-24 04:25:51,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-24 04:25:51,792 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2021-02-24 04:25:51,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:25:51,794 INFO L225 Difference]: With dead ends: 199 [2021-02-24 04:25:51,794 INFO L226 Difference]: Without dead ends: 140 [2021-02-24 04:25:51,795 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 [2021-02-24 04:25:51,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-02-24 04:25:51,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 101. [2021-02-24 04:25:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-02-24 04:25:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 109 transitions. [2021-02-24 04:25:51,817 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 109 transitions. Word has length 37 [2021-02-24 04:25:51,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:25:51,817 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 109 transitions. [2021-02-24 04:25:51,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 04:25:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 109 transitions. [2021-02-24 04:25:51,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-02-24 04:25:51,819 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:25:51,819 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] [2021-02-24 04:25:51,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 04:25:51,820 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:25:51,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:25:51,820 INFO L82 PathProgramCache]: Analyzing trace with hash 165497749, now seen corresponding path program 1 times [2021-02-24 04:25:51,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:25:51,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2104670864] [2021-02-24 04:25:51,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:25:51,874 WARN L141 QuantifierPusher]: treesize reduction 11, result has 93.8 percent of original size [2021-02-24 04:25:51,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:51,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:51,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:25:51,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:25:51,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:51,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:51,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 04:25:51,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 04:25:51,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:51,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:51,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 04:25:51,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 04:25:51,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:51,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:51,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:51,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 04:25:51,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 04:25:51,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:51,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:51,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 04:25:51,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 04:25:51,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:25:51,945 WARN L141 QuantifierPusher]: treesize reduction 98, result has 1.0 percent of original size [2021-02-24 04:25:51,945 WARN L147 QuantifierPusher]: treesize reduction 98, result has 1.0 percent of original size 1 [2021-02-24 04:25:51,946 WARN L147 QuantifierPusher]: treesize reduction 11, result has 93.8 percent of original size 167 [2021-02-24 04:25:51,951 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)), (< v_main_~x~0.base_25 0), (= (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_#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_#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_main_#t~malloc5.base_3| 0), (= |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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-24 04:25:51,955 INFO L168 Benchmark]: Toolchain (without parser) took 4187.61 ms. Allocated memory was 151.0 MB in the beginning and 184.5 MB in the end (delta: 33.6 MB). Free memory was 126.3 MB in the beginning and 140.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 19.2 MB. Max. memory is 8.0 GB. [2021-02-24 04:25:51,956 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:25:51,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.58 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 103.0 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-24 04:25:51,957 INFO L168 Benchmark]: Boogie Preprocessor took 98.92 ms. Allocated memory is still 151.0 MB. Free memory was 103.0 MB in the beginning and 100.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:25:51,958 INFO L168 Benchmark]: RCFGBuilder took 860.55 ms. Allocated memory is still 151.0 MB. Free memory was 100.2 MB in the beginning and 91.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:25:51,959 INFO L168 Benchmark]: TraceAbstraction took 2675.80 ms. Allocated memory was 151.0 MB in the beginning and 184.5 MB in the end (delta: 33.6 MB). Free memory was 91.2 MB in the beginning and 140.9 MB in the end (delta: -49.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:25:51,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 533.58 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 103.0 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 98.92 ms. Allocated memory is still 151.0 MB. Free memory was 103.0 MB in the beginning and 100.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 860.55 ms. Allocated memory is still 151.0 MB. Free memory was 100.2 MB in the beginning and 91.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2675.80 ms. Allocated memory was 151.0 MB in the beginning and 184.5 MB in the end (delta: 33.6 MB). Free memory was 91.2 MB in the beginning and 140.9 MB in the end (delta: -49.7 MB). There was no memory consumed. 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)), (< v_main_~x~0.base_25 0), (= (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_#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_#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_main_#t~malloc5.base_3| 0), (= |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)), (< v_main_~x~0.base_25 0), (= (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_#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_#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_main_#t~malloc5.base_3| 0), (= |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...