/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/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/pthread/sync01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 21:13:19,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 21:13:19,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 21:13:19,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 21:13:19,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 21:13:19,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 21:13:19,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 21:13:19,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 21:13:19,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 21:13:19,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 21:13:19,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 21:13:19,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 21:13:19,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 21:13:19,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 21:13:19,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 21:13:19,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 21:13:19,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 21:13:19,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 21:13:19,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 21:13:19,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 21:13:19,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 21:13:19,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 21:13:19,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 21:13:19,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 21:13:19,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 21:13:19,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 21:13:19,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 21:13:19,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 21:13:19,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 21:13:19,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 21:13:19,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 21:13:19,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 21:13:19,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 21:13:19,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 21:13:19,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 21:13:19,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 21:13:19,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 21:13:19,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 21:13:19,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 21:13:19,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 21:13:19,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 21:13:19,387 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-21 21:13:19,398 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 21:13:19,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 21:13:19,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 21:13:19,400 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 21:13:19,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 21:13:19,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 21:13:19,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 21:13:19,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 21:13:19,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 21:13:19,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 21:13:19,401 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 21:13:19,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 21:13:19,402 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 21:13:19,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 21:13:19,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 21:13:19,402 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 21:13:19,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 21:13:19,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 21:13:19,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 21:13:19,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 21:13:19,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 21:13:19,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 21:13:19,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 21:13:19,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 21:13:19,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 21:13:19,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 21:13:19,779 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 21:13:19,779 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 21:13:19,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2021-02-21 21:13:19,866 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e19dbf2/21e336cddcbe4f8abd82ac8d88e570cf/FLAGc7b84461e [2021-02-21 21:13:20,628 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 21:13:20,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2021-02-21 21:13:20,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e19dbf2/21e336cddcbe4f8abd82ac8d88e570cf/FLAGc7b84461e [2021-02-21 21:13:20,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e19dbf2/21e336cddcbe4f8abd82ac8d88e570cf [2021-02-21 21:13:20,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 21:13:20,894 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 21:13:20,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 21:13:20,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 21:13:20,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 21:13:20,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 09:13:20" (1/1) ... [2021-02-21 21:13:20,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@748d1064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:13:20, skipping insertion in model container [2021-02-21 21:13:20,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 09:13:20" (1/1) ... [2021-02-21 21:13:20,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 21:13:20,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 21:13:21,384 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2021-02-21 21:13:21,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 21:13:21,403 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 21:13:21,454 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] [2021-02-21 21:13:21,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 21:13:21,675 INFO L208 MainTranslator]: Completed translation [2021-02-21 21:13:21,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:13:21 WrapperNode [2021-02-21 21:13:21,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 21:13:21,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 21:13:21,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 21:13:21,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 21:13:21,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:13:21" (1/1) ... [2021-02-21 21:13:21,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:13:21" (1/1) ... [2021-02-21 21:13:21,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:13:21" (1/1) ... [2021-02-21 21:13:21,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:13:21" (1/1) ... [2021-02-21 21:13:21,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:13:21" (1/1) ... [2021-02-21 21:13:21,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:13:21" (1/1) ... [2021-02-21 21:13:21,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:13:21" (1/1) ... [2021-02-21 21:13:21,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 21:13:21,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 21:13:21,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 21:13:21,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 21:13:21,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:13:21" (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 [2021-02-21 21:13:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 21:13:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 21:13:21,917 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 21:13:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-21 21:13:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-21 21:13:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-02-21 21:13:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-02-21 21:13:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-02-21 21:13:21,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-21 21:13:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-21 21:13:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 21:13:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 21:13:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 21:13:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 21:13:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 21:13:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 21:13:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 21:13:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2021-02-21 21:13:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2021-02-21 21:13:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2021-02-21 21:13:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2021-02-21 21:13:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2021-02-21 21:13:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2021-02-21 21:13:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2021-02-21 21:13:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2021-02-21 21:13:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2021-02-21 21:13:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2021-02-21 21:13:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2021-02-21 21:13:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2021-02-21 21:13:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2021-02-21 21:13:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2021-02-21 21:13:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2021-02-21 21:13:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2021-02-21 21:13:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2021-02-21 21:13:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2021-02-21 21:13:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2021-02-21 21:13:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2021-02-21 21:13:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2021-02-21 21:13:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2021-02-21 21:13:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2021-02-21 21:13:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2021-02-21 21:13:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2021-02-21 21:13:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2021-02-21 21:13:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-02-21 21:13:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2021-02-21 21:13:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-02-21 21:13:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2021-02-21 21:13:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2021-02-21 21:13:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2021-02-21 21:13:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2021-02-21 21:13:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2021-02-21 21:13:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2021-02-21 21:13:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2021-02-21 21:13:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2021-02-21 21:13:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2021-02-21 21:13:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-21 21:13:21,931 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2021-02-21 21:13:21,931 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2021-02-21 21:13:21,931 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2021-02-21 21:13:21,931 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2021-02-21 21:13:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-21 21:13:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2021-02-21 21:13:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2021-02-21 21:13:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2021-02-21 21:13:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2021-02-21 21:13:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2021-02-21 21:13:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2021-02-21 21:13:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2021-02-21 21:13:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2021-02-21 21:13:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2021-02-21 21:13:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2021-02-21 21:13:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2021-02-21 21:13:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2021-02-21 21:13:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2021-02-21 21:13:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2021-02-21 21:13:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2021-02-21 21:13:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2021-02-21 21:13:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2021-02-21 21:13:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2021-02-21 21:13:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2021-02-21 21:13:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2021-02-21 21:13:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2021-02-21 21:13:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2021-02-21 21:13:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2021-02-21 21:13:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2021-02-21 21:13:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2021-02-21 21:13:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2021-02-21 21:13:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2021-02-21 21:13:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2021-02-21 21:13:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-02-21 21:13:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2021-02-21 21:13:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2021-02-21 21:13:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2021-02-21 21:13:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2021-02-21 21:13:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2021-02-21 21:13:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2021-02-21 21:13:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2021-02-21 21:13:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2021-02-21 21:13:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2021-02-21 21:13:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2021-02-21 21:13:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2021-02-21 21:13:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2021-02-21 21:13:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2021-02-21 21:13:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2021-02-21 21:13:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2021-02-21 21:13:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2021-02-21 21:13:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2021-02-21 21:13:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2021-02-21 21:13:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2021-02-21 21:13:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2021-02-21 21:13:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2021-02-21 21:13:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2021-02-21 21:13:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2021-02-21 21:13:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2021-02-21 21:13:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2021-02-21 21:13:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2021-02-21 21:13:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2021-02-21 21:13:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-21 21:13:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-21 21:13:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-02-21 21:13:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-02-21 21:13:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-02-21 21:13:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2021-02-21 21:13:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2021-02-21 21:13:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2021-02-21 21:13:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2021-02-21 21:13:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2021-02-21 21:13:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2021-02-21 21:13:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2021-02-21 21:13:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2021-02-21 21:13:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2021-02-21 21:13:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2021-02-21 21:13:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2021-02-21 21:13:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2021-02-21 21:13:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure time [2021-02-21 21:13:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2021-02-21 21:13:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2021-02-21 21:13:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2021-02-21 21:13:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2021-02-21 21:13:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2021-02-21 21:13:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2021-02-21 21:13:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2021-02-21 21:13:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2021-02-21 21:13:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2021-02-21 21:13:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2021-02-21 21:13:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2021-02-21 21:13:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2021-02-21 21:13:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2021-02-21 21:13:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2021-02-21 21:13:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2021-02-21 21:13:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2021-02-21 21:13:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2021-02-21 21:13:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2021-02-21 21:13:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2021-02-21 21:13:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2021-02-21 21:13:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2021-02-21 21:13:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2021-02-21 21:13:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2021-02-21 21:13:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2021-02-21 21:13:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2021-02-21 21:13:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2021-02-21 21:13:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2021-02-21 21:13:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2021-02-21 21:13:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2021-02-21 21:13:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2021-02-21 21:13:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2021-02-21 21:13:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2021-02-21 21:13:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2021-02-21 21:13:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2021-02-21 21:13:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2021-02-21 21:13:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2021-02-21 21:13:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2021-02-21 21:13:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2021-02-21 21:13:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2021-02-21 21:13:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2021-02-21 21:13:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2021-02-21 21:13:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2021-02-21 21:13:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2021-02-21 21:13:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2021-02-21 21:13:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2021-02-21 21:13:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2021-02-21 21:13:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2021-02-21 21:13:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2021-02-21 21:13:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2021-02-21 21:13:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2021-02-21 21:13:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2021-02-21 21:13:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2021-02-21 21:13:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2021-02-21 21:13:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2021-02-21 21:13:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2021-02-21 21:13:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2021-02-21 21:13:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2021-02-21 21:13:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2021-02-21 21:13:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2021-02-21 21:13:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2021-02-21 21:13:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2021-02-21 21:13:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2021-02-21 21:13:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2021-02-21 21:13:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2021-02-21 21:13:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2021-02-21 21:13:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2021-02-21 21:13:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2021-02-21 21:13:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2021-02-21 21:13:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2021-02-21 21:13:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2021-02-21 21:13:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2021-02-21 21:13:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2021-02-21 21:13:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2021-02-21 21:13:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2021-02-21 21:13:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2021-02-21 21:13:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2021-02-21 21:13:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2021-02-21 21:13:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2021-02-21 21:13:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2021-02-21 21:13:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2021-02-21 21:13:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2021-02-21 21:13:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2021-02-21 21:13:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2021-02-21 21:13:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2021-02-21 21:13:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2021-02-21 21:13:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2021-02-21 21:13:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2021-02-21 21:13:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2021-02-21 21:13:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2021-02-21 21:13:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2021-02-21 21:13:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2021-02-21 21:13:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2021-02-21 21:13:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2021-02-21 21:13:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2021-02-21 21:13:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2021-02-21 21:13:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2021-02-21 21:13:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2021-02-21 21:13:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2021-02-21 21:13:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2021-02-21 21:13:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2021-02-21 21:13:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2021-02-21 21:13:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2021-02-21 21:13:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2021-02-21 21:13:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2021-02-21 21:13:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2021-02-21 21:13:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2021-02-21 21:13:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2021-02-21 21:13:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2021-02-21 21:13:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2021-02-21 21:13:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2021-02-21 21:13:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2021-02-21 21:13:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2021-02-21 21:13:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2021-02-21 21:13:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2021-02-21 21:13:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2021-02-21 21:13:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2021-02-21 21:13:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2021-02-21 21:13:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2021-02-21 21:13:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2021-02-21 21:13:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2021-02-21 21:13:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2021-02-21 21:13:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2021-02-21 21:13:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2021-02-21 21:13:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2021-02-21 21:13:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2021-02-21 21:13:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2021-02-21 21:13:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2021-02-21 21:13:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2021-02-21 21:13:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2021-02-21 21:13:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2021-02-21 21:13:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2021-02-21 21:13:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2021-02-21 21:13:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2021-02-21 21:13:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-21 21:13:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-02-21 21:13:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-21 21:13:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 21:13:21,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 21:13:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 21:13:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 21:13:21,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 21:13:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 21:13:21,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 21:13:22,919 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 21:13:22,919 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-02-21 21:13:22,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 09:13:22 BoogieIcfgContainer [2021-02-21 21:13:22,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 21:13:22,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 21:13:22,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 21:13:22,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 21:13:22,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 09:13:20" (1/3) ... [2021-02-21 21:13:22,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c98403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 09:13:22, skipping insertion in model container [2021-02-21 21:13:22,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:13:21" (2/3) ... [2021-02-21 21:13:22,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c98403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 09:13:22, skipping insertion in model container [2021-02-21 21:13:22,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 09:13:22" (3/3) ... [2021-02-21 21:13:22,931 INFO L111 eAbstractionObserver]: Analyzing ICFG sync01.i [2021-02-21 21:13:22,938 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-21 21:13:22,938 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 21:13:22,943 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 21:13:22,944 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-21 21:13:22,985 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,986 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,986 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,986 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,986 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,987 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,987 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,987 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,987 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,988 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,988 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,988 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,989 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,989 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,989 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,990 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,990 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,990 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,991 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,991 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,991 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,991 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,993 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,993 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,993 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,994 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,994 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,994 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,994 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,994 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,995 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,995 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,995 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,995 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,996 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,996 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,996 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,996 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,997 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,997 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,997 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,997 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,998 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,998 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,998 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,998 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,999 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:22,999 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:23,001 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:23,002 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:23,002 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:23,002 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:23,002 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:23,002 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:23,003 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:23,008 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:23,008 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:23,008 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:23,008 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:23,009 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:23,009 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:23,009 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 21:13:23,021 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-02-21 21:13:23,043 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-02-21 21:13:23,067 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 21:13:23,068 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 21:13:23,068 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 21:13:23,068 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 21:13:23,068 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 21:13:23,068 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 21:13:23,068 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 21:13:23,068 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 21:13:23,079 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) [2021-02-21 21:13:23,085 INFO L168 Benchmark]: Toolchain (without parser) took 2201.40 ms. Allocated memory was 160.4 MB in the beginning and 192.9 MB in the end (delta: 32.5 MB). Free memory was 135.5 MB in the beginning and 147.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 8.0 GB. [2021-02-21 21:13:23,086 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 160.4 MB. Free memory was 134.8 MB in the beginning and 134.7 MB in the end (delta: 98.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 21:13:23,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.49 ms. Allocated memory is still 160.4 MB. Free memory was 134.3 MB in the beginning and 119.8 MB in the end (delta: 14.5 MB). Peak memory consumption was 38.4 MB. Max. memory is 8.0 GB. [2021-02-21 21:13:23,088 INFO L168 Benchmark]: Boogie Preprocessor took 122.85 ms. Allocated memory is still 160.4 MB. Free memory was 119.8 MB in the beginning and 115.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-21 21:13:23,089 INFO L168 Benchmark]: RCFGBuilder took 1120.38 ms. Allocated memory was 160.4 MB in the beginning and 192.9 MB in the end (delta: 32.5 MB). Free memory was 115.6 MB in the beginning and 160.1 MB in the end (delta: -44.6 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. [2021-02-21 21:13:23,090 INFO L168 Benchmark]: TraceAbstraction took 159.01 ms. Allocated memory is still 192.9 MB. Free memory was 159.6 MB in the beginning and 147.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-02-21 21:13:23,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 160.4 MB. Free memory was 134.8 MB in the beginning and 134.7 MB in the end (delta: 98.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 780.49 ms. Allocated memory is still 160.4 MB. Free memory was 134.3 MB in the beginning and 119.8 MB in the end (delta: 14.5 MB). Peak memory consumption was 38.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 122.85 ms. Allocated memory is still 160.4 MB. Free memory was 119.8 MB in the beginning and 115.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1120.38 ms. Allocated memory was 160.4 MB in the beginning and 192.9 MB in the end (delta: 32.5 MB). Free memory was 115.6 MB in the beginning and 160.1 MB in the end (delta: -44.6 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 159.01 ms. Allocated memory is still 192.9 MB. Free memory was 159.6 MB in the beginning and 147.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 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...