/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/pthread/sync01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:16:45,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:16:45,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:16:45,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 02:16:45,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 02:16:45,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 02:16:45,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 02:16:45,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 02:16:45,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 02:16:45,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 02:16:45,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 02:16:45,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 02:16:45,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:16:45,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:16:45,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:16:45,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:16:45,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:16:45,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:16:45,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:16:45,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:16:45,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:16:45,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:16:45,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:16:45,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:16:45,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 02:16:45,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 02:16:45,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 02:16:45,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 02:16:45,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 02:16:45,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 02:16:45,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 02:16:45,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 02:16:45,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 02:16:45,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 02:16:45,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 02:16:45,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 02:16:45,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 02:16:45,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 02:16:45,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:16:45,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:16:45,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:16:45,463 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 02:16:45,475 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:16:45,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:16:45,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:16:45,477 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:16:45,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:16:45,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:16:45,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:16:45,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:16:45,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:16:45,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:16:45,479 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:16:45,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:16:45,480 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:16:45,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:16:45,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:16:45,481 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:16:45,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:16:45,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:16:45,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:16:45,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:16:45,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:16:45,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:16:45,482 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:16:45,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:16:45,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:16:45,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:16:45,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:16:45,910 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:16:45,911 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:16:45,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2021-02-22 02:16:45,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70312ad48/d151ea3379ec45309952b1cdb83d1bdb/FLAGda74e83da [2021-02-22 02:16:46,665 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:16:46,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2021-02-22 02:16:46,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70312ad48/d151ea3379ec45309952b1cdb83d1bdb/FLAGda74e83da [2021-02-22 02:16:46,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70312ad48/d151ea3379ec45309952b1cdb83d1bdb [2021-02-22 02:16:46,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:16:46,909 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:16:46,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:16:46,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:16:46,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:16:46,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:16:46" (1/1) ... [2021-02-22 02:16:46,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@298c34ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:46, skipping insertion in model container [2021-02-22 02:16:46,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:16:46" (1/1) ... [2021-02-22 02:16:46,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:16:46,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:16:47,424 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2021-02-22 02:16:47,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:16:47,442 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:16:47,485 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2021-02-22 02:16:47,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:16:47,693 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:16:47,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:47 WrapperNode [2021-02-22 02:16:47,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:16:47,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:16:47,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:16:47,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:16:47,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:47" (1/1) ... [2021-02-22 02:16:47,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:47" (1/1) ... [2021-02-22 02:16:47,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:47" (1/1) ... [2021-02-22 02:16:47,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:47" (1/1) ... [2021-02-22 02:16:47,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:47" (1/1) ... [2021-02-22 02:16:47,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:47" (1/1) ... [2021-02-22 02:16:47,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:47" (1/1) ... [2021-02-22 02:16:47,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:16:47,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:16:47,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:16:47,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:16:47,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:47" (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 02:16:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:16:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:16:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:16:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-22 02:16:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-22 02:16:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-02-22 02:16:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-02-22 02:16:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-02-22 02:16:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-22 02:16:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-22 02:16:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:16:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:16:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:16:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 02:16:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 02:16:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:16:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:16:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2021-02-22 02:16:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2021-02-22 02:16:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2021-02-22 02:16:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2021-02-22 02:16:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2021-02-22 02:16:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2021-02-22 02:16:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2021-02-22 02:16:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2021-02-22 02:16:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2021-02-22 02:16:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2021-02-22 02:16:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2021-02-22 02:16:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2021-02-22 02:16:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2021-02-22 02:16:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2021-02-22 02:16:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2021-02-22 02:16:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2021-02-22 02:16:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2021-02-22 02:16:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2021-02-22 02:16:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2021-02-22 02:16:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2021-02-22 02:16:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2021-02-22 02:16:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2021-02-22 02:16:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2021-02-22 02:16:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2021-02-22 02:16:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2021-02-22 02:16:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2021-02-22 02:16:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-02-22 02:16:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2021-02-22 02:16:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-02-22 02:16:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2021-02-22 02:16:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2021-02-22 02:16:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2021-02-22 02:16:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2021-02-22 02:16:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2021-02-22 02:16:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2021-02-22 02:16:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2021-02-22 02:16:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2021-02-22 02:16:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2021-02-22 02:16:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-22 02:16:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2021-02-22 02:16:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2021-02-22 02:16:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2021-02-22 02:16:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2021-02-22 02:16:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-22 02:16:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2021-02-22 02:16:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2021-02-22 02:16:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2021-02-22 02:16:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2021-02-22 02:16:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2021-02-22 02:16:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2021-02-22 02:16:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2021-02-22 02:16:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2021-02-22 02:16:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2021-02-22 02:16:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2021-02-22 02:16:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2021-02-22 02:16:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2021-02-22 02:16:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2021-02-22 02:16:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2021-02-22 02:16:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2021-02-22 02:16:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2021-02-22 02:16:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2021-02-22 02:16:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2021-02-22 02:16:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2021-02-22 02:16:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2021-02-22 02:16:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2021-02-22 02:16:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2021-02-22 02:16:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2021-02-22 02:16:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2021-02-22 02:16:47,882 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2021-02-22 02:16:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2021-02-22 02:16:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2021-02-22 02:16:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2021-02-22 02:16:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-02-22 02:16:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2021-02-22 02:16:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2021-02-22 02:16:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2021-02-22 02:16:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2021-02-22 02:16:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2021-02-22 02:16:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2021-02-22 02:16:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2021-02-22 02:16:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2021-02-22 02:16:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2021-02-22 02:16:47,897 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2021-02-22 02:16:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2021-02-22 02:16:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2021-02-22 02:16:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2021-02-22 02:16:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2021-02-22 02:16:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2021-02-22 02:16:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2021-02-22 02:16:47,898 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2021-02-22 02:16:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2021-02-22 02:16:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2021-02-22 02:16:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2021-02-22 02:16:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2021-02-22 02:16:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2021-02-22 02:16:47,899 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2021-02-22 02:16:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2021-02-22 02:16:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2021-02-22 02:16:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2021-02-22 02:16:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2021-02-22 02:16:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-22 02:16:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-22 02:16:47,900 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-02-22 02:16:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-02-22 02:16:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-02-22 02:16:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2021-02-22 02:16:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2021-02-22 02:16:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2021-02-22 02:16:47,901 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2021-02-22 02:16:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2021-02-22 02:16:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2021-02-22 02:16:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2021-02-22 02:16:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2021-02-22 02:16:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2021-02-22 02:16:47,902 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2021-02-22 02:16:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2021-02-22 02:16:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2021-02-22 02:16:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure time [2021-02-22 02:16:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2021-02-22 02:16:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2021-02-22 02:16:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2021-02-22 02:16:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2021-02-22 02:16:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2021-02-22 02:16:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2021-02-22 02:16:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2021-02-22 02:16:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2021-02-22 02:16:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2021-02-22 02:16:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2021-02-22 02:16:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2021-02-22 02:16:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2021-02-22 02:16:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2021-02-22 02:16:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2021-02-22 02:16:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2021-02-22 02:16:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2021-02-22 02:16:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2021-02-22 02:16:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2021-02-22 02:16:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2021-02-22 02:16:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2021-02-22 02:16:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2021-02-22 02:16:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2021-02-22 02:16:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2021-02-22 02:16:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2021-02-22 02:16:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2021-02-22 02:16:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2021-02-22 02:16:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2021-02-22 02:16:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2021-02-22 02:16:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2021-02-22 02:16:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2021-02-22 02:16:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2021-02-22 02:16:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2021-02-22 02:16:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2021-02-22 02:16:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2021-02-22 02:16:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2021-02-22 02:16:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2021-02-22 02:16:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2021-02-22 02:16:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2021-02-22 02:16:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2021-02-22 02:16:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2021-02-22 02:16:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2021-02-22 02:16:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2021-02-22 02:16:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2021-02-22 02:16:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2021-02-22 02:16:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2021-02-22 02:16:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2021-02-22 02:16:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2021-02-22 02:16:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2021-02-22 02:16:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2021-02-22 02:16:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2021-02-22 02:16:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2021-02-22 02:16:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2021-02-22 02:16:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2021-02-22 02:16:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2021-02-22 02:16:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2021-02-22 02:16:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2021-02-22 02:16:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2021-02-22 02:16:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2021-02-22 02:16:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2021-02-22 02:16:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2021-02-22 02:16:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2021-02-22 02:16:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2021-02-22 02:16:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2021-02-22 02:16:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2021-02-22 02:16:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2021-02-22 02:16:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2021-02-22 02:16:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2021-02-22 02:16:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2021-02-22 02:16:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2021-02-22 02:16:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2021-02-22 02:16:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2021-02-22 02:16:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2021-02-22 02:16:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2021-02-22 02:16:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2021-02-22 02:16:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2021-02-22 02:16:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2021-02-22 02:16:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2021-02-22 02:16:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2021-02-22 02:16:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2021-02-22 02:16:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2021-02-22 02:16:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2021-02-22 02:16:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2021-02-22 02:16:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2021-02-22 02:16:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2021-02-22 02:16:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2021-02-22 02:16:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2021-02-22 02:16:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2021-02-22 02:16:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2021-02-22 02:16:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2021-02-22 02:16:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2021-02-22 02:16:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2021-02-22 02:16:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2021-02-22 02:16:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2021-02-22 02:16:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2021-02-22 02:16:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2021-02-22 02:16:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2021-02-22 02:16:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2021-02-22 02:16:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2021-02-22 02:16:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2021-02-22 02:16:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2021-02-22 02:16:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2021-02-22 02:16:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2021-02-22 02:16:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2021-02-22 02:16:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2021-02-22 02:16:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2021-02-22 02:16:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2021-02-22 02:16:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2021-02-22 02:16:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2021-02-22 02:16:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2021-02-22 02:16:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2021-02-22 02:16:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2021-02-22 02:16:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2021-02-22 02:16:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2021-02-22 02:16:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2021-02-22 02:16:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2021-02-22 02:16:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2021-02-22 02:16:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2021-02-22 02:16:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2021-02-22 02:16:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2021-02-22 02:16:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2021-02-22 02:16:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2021-02-22 02:16:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2021-02-22 02:16:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2021-02-22 02:16:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2021-02-22 02:16:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2021-02-22 02:16:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2021-02-22 02:16:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2021-02-22 02:16:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2021-02-22 02:16:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2021-02-22 02:16:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2021-02-22 02:16:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2021-02-22 02:16:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2021-02-22 02:16:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2021-02-22 02:16:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-22 02:16:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-02-22 02:16:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-22 02:16:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:16:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:16:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:16:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:16:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:16:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:16:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:16:48,635 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:16:48,635 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-02-22 02:16:48,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:16:48 BoogieIcfgContainer [2021-02-22 02:16:48,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:16:48,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:16:48,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:16:48,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:16:48,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:16:46" (1/3) ... [2021-02-22 02:16:48,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a0d957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:16:48, skipping insertion in model container [2021-02-22 02:16:48,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:47" (2/3) ... [2021-02-22 02:16:48,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a0d957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:16:48, skipping insertion in model container [2021-02-22 02:16:48,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:16:48" (3/3) ... [2021-02-22 02:16:48,655 INFO L111 eAbstractionObserver]: Analyzing ICFG sync01.i [2021-02-22 02:16:48,667 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-22 02:16:48,668 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:16:48,672 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:16:48,673 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-22 02:16:48,745 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,745 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,746 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,746 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,747 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,747 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,747 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,747 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,748 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,748 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,749 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,751 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,751 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,751 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,751 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,752 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,754 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,754 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,755 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,755 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,755 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,755 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,756 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,756 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,757 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,757 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,757 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,757 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,760 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,760 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,760 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,760 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,761 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,761 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,761 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,761 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,763 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,763 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,764 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,764 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,764 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,764 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,765 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,765 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,766 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,766 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,766 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,766 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,766 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,767 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,769 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,770 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,770 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,770 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,770 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,771 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,771 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,782 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,783 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,783 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,783 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,783 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,783 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,783 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:48,802 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-02-22 02:16:48,826 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-02-22 02:16:48,863 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:16:48,863 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:16:48,863 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:16:48,863 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:16:48,863 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:16:48,864 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:16:48,864 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:16:48,864 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:16:48,879 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNetWithSPredicates(CFG2NestedWordAutomaton.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:344) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:395) 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:334) 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 02:16:48,889 INFO L168 Benchmark]: Toolchain (without parser) took 2003.37 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 106.8 MB in the beginning and 146.8 MB in the end (delta: -39.9 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:16:48,893 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 125.2 MB in the end (delta: 101.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:16:48,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.31 ms. Allocated memory is still 151.0 MB. Free memory was 133.9 MB in the beginning and 96.0 MB in the end (delta: 38.0 MB). Peak memory consumption was 37.6 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:48,897 INFO L168 Benchmark]: Boogie Preprocessor took 83.56 ms. Allocated memory is still 151.0 MB. Free memory was 96.0 MB in the beginning and 91.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:48,898 INFO L168 Benchmark]: RCFGBuilder took 861.68 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 91.8 MB in the beginning and 159.3 MB in the end (delta: -67.6 MB). Peak memory consumption was 31.0 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:48,899 INFO L168 Benchmark]: TraceAbstraction took 237.71 ms. Allocated memory is still 181.4 MB. Free memory was 158.8 MB in the beginning and 146.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:48,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 125.2 MB in the end (delta: 101.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 780.31 ms. Allocated memory is still 151.0 MB. Free memory was 133.9 MB in the beginning and 96.0 MB in the end (delta: 38.0 MB). Peak memory consumption was 37.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 83.56 ms. Allocated memory is still 151.0 MB. Free memory was 96.0 MB in the beginning and 91.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 861.68 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 91.8 MB in the beginning and 159.3 MB in the end (delta: -67.6 MB). Peak memory consumption was 31.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 237.71 ms. Allocated memory is still 181.4 MB. Free memory was 158.8 MB in the beginning and 146.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis IcfgReturnTransition: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...