/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-atomic/dekker.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:16:47,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:16:47,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:16:47,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 02:16:47,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 02:16:47,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 02:16:47,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 02:16:47,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 02:16:47,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 02:16:47,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 02:16:47,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 02:16:47,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 02:16:47,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:16:47,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:16:47,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:16:47,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:16:47,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:16:47,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:16:47,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:16:47,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:16:47,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:16:47,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:16:47,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:16:47,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:16:47,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 02:16:47,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 02:16:47,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 02:16:47,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 02:16:47,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 02:16:47,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 02:16:47,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 02:16:47,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 02:16:47,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 02:16:47,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 02:16:47,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 02:16:47,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 02:16:47,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 02:16:47,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 02:16:47,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:16:47,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:16:47,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:16:47,398 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 02:16:47,422 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:16:47,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:16:47,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:16:47,428 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:16:47,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:16:47,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:16:47,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:16:47,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:16:47,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:16:47,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:16:47,430 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:16:47,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:16:47,430 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:16:47,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:16:47,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:16:47,431 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:16:47,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:16:47,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:16:47,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:16:47,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:16:47,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:16:47,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:16:47,432 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:16:47,433 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:16:47,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:16:47,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:16:47,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:16:47,896 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:16:47,897 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:16:47,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/dekker.i [2021-02-22 02:16:47,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8781947b3/9bca1793936e4fb391d82dc29ad204db/FLAGb2b59a77a [2021-02-22 02:16:48,720 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:16:48,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i [2021-02-22 02:16:48,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8781947b3/9bca1793936e4fb391d82dc29ad204db/FLAGb2b59a77a [2021-02-22 02:16:48,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8781947b3/9bca1793936e4fb391d82dc29ad204db [2021-02-22 02:16:48,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:16:48,987 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:16:48,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:16:48,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:16:48,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:16:48,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:16:48" (1/1) ... [2021-02-22 02:16:48,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56facd06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:48, skipping insertion in model container [2021-02-22 02:16:49,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:16:48" (1/1) ... [2021-02-22 02:16:49,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:16:49,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:16:49,428 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-02-22 02:16:49,687 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-atomic/dekker.i[31403,31416] [2021-02-22 02:16:49,699 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-atomic/dekker.i[32483,32496] [2021-02-22 02:16:49,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:16:49,723 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:16:49,752 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-02-22 02:16:49,803 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-atomic/dekker.i[31403,31416] [2021-02-22 02:16:49,810 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-atomic/dekker.i[32483,32496] [2021-02-22 02:16:49,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:16:49,934 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:16:49,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:49 WrapperNode [2021-02-22 02:16:49,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:16:49,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:16:49,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:16:49,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:16:49,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:49" (1/1) ... [2021-02-22 02:16:49,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:49" (1/1) ... [2021-02-22 02:16:49,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:49" (1/1) ... [2021-02-22 02:16:49,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:49" (1/1) ... [2021-02-22 02:16:50,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:49" (1/1) ... [2021-02-22 02:16:50,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:49" (1/1) ... [2021-02-22 02:16:50,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:49" (1/1) ... [2021-02-22 02:16:50,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:16:50,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:16:50,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:16:50,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:16:50,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:49" (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 02:16:50,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:16:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:16:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-22 02:16:50,197 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:16:50,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_16 [2021-02-22 02:16:50,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-22 02:16:50,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-22 02:16:50,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-02-22 02:16:50,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-02-22 02:16:50,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-02-22 02:16:50,199 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-02-22 02:16:50,199 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-02-22 02:16:50,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:16:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:16:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-22 02:16:50,203 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:16:50,203 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 02:16:50,203 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 02:16:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:16:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:16:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-02-22 02:16:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-02-22 02:16:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_16 [2021-02-22 02:16:50,205 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_bswap16 [2021-02-22 02:16:50,205 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-22 02:16:50,205 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-22 02:16:50,205 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-02-22 02:16:50,205 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-02-22 02:16:50,205 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-02-22 02:16:50,206 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2021-02-22 02:16:50,206 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2021-02-22 02:16:50,206 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2021-02-22 02:16:50,206 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2021-02-22 02:16:50,206 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2021-02-22 02:16:50,206 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2021-02-22 02:16:50,206 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2021-02-22 02:16:50,207 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2021-02-22 02:16:50,207 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2021-02-22 02:16:50,207 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2021-02-22 02:16:50,207 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2021-02-22 02:16:50,207 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2021-02-22 02:16:50,207 INFO L130 BoogieDeclarations]: Found specification of procedure time [2021-02-22 02:16:50,208 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2021-02-22 02:16:50,208 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2021-02-22 02:16:50,208 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2021-02-22 02:16:50,208 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2021-02-22 02:16:50,208 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2021-02-22 02:16:50,208 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2021-02-22 02:16:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2021-02-22 02:16:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2021-02-22 02:16:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2021-02-22 02:16:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2021-02-22 02:16:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2021-02-22 02:16:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2021-02-22 02:16:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2021-02-22 02:16:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2021-02-22 02:16:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2021-02-22 02:16:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2021-02-22 02:16:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2021-02-22 02:16:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2021-02-22 02:16:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2021-02-22 02:16:50,213 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2021-02-22 02:16:50,213 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2021-02-22 02:16:50,213 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2021-02-22 02:16:50,213 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2021-02-22 02:16:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2021-02-22 02:16:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2021-02-22 02:16:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2021-02-22 02:16:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2021-02-22 02:16:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2021-02-22 02:16:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2021-02-22 02:16:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2021-02-22 02:16:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2021-02-22 02:16:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2021-02-22 02:16:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2021-02-22 02:16:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2021-02-22 02:16:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2021-02-22 02:16:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2021-02-22 02:16:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2021-02-22 02:16:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2021-02-22 02:16:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2021-02-22 02:16:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2021-02-22 02:16:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2021-02-22 02:16:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2021-02-22 02:16:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2021-02-22 02:16:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2021-02-22 02:16:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2021-02-22 02:16:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2021-02-22 02:16:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2021-02-22 02:16:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2021-02-22 02:16:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2021-02-22 02:16:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2021-02-22 02:16:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2021-02-22 02:16:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2021-02-22 02:16:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2021-02-22 02:16:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2021-02-22 02:16:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2021-02-22 02:16:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2021-02-22 02:16:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2021-02-22 02:16:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2021-02-22 02:16:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2021-02-22 02:16:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2021-02-22 02:16:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2021-02-22 02:16:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2021-02-22 02:16:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2021-02-22 02:16:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2021-02-22 02:16:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2021-02-22 02:16:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2021-02-22 02:16:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2021-02-22 02:16:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2021-02-22 02:16:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2021-02-22 02:16:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2021-02-22 02:16:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2021-02-22 02:16:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2021-02-22 02:16:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2021-02-22 02:16:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2021-02-22 02:16:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2021-02-22 02:16:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2021-02-22 02:16:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2021-02-22 02:16:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2021-02-22 02:16:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2021-02-22 02:16:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2021-02-22 02:16:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2021-02-22 02:16:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2021-02-22 02:16:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2021-02-22 02:16:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2021-02-22 02:16:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2021-02-22 02:16:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2021-02-22 02:16:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2021-02-22 02:16:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2021-02-22 02:16:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2021-02-22 02:16:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2021-02-22 02:16:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2021-02-22 02:16:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2021-02-22 02:16:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2021-02-22 02:16:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2021-02-22 02:16:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2021-02-22 02:16:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2021-02-22 02:16:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2021-02-22 02:16:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2021-02-22 02:16:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2021-02-22 02:16:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2021-02-22 02:16:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2021-02-22 02:16:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2021-02-22 02:16:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2021-02-22 02:16:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2021-02-22 02:16:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2021-02-22 02:16:50,248 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2021-02-22 02:16:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2021-02-22 02:16:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2021-02-22 02:16:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2021-02-22 02:16:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2021-02-22 02:16:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2021-02-22 02:16:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2021-02-22 02:16:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2021-02-22 02:16:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2021-02-22 02:16:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2021-02-22 02:16:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2021-02-22 02:16:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2021-02-22 02:16:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2021-02-22 02:16:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2021-02-22 02:16:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2021-02-22 02:16:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2021-02-22 02:16:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2021-02-22 02:16:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2021-02-22 02:16:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2021-02-22 02:16:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2021-02-22 02:16:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2021-02-22 02:16:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2021-02-22 02:16:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2021-02-22 02:16:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2021-02-22 02:16:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2021-02-22 02:16:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2021-02-22 02:16:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2021-02-22 02:16:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2021-02-22 02:16:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-02-22 02:16:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-02-22 02:16:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:16:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:16:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:16:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:16:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:16:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:16:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:16:50,987 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:16:50,987 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-02-22 02:16:50,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:16:50 BoogieIcfgContainer [2021-02-22 02:16:50,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:16:50,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:16:50,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:16:50,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:16:50,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:16:48" (1/3) ... [2021-02-22 02:16:50,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4613f00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:16:50, skipping insertion in model container [2021-02-22 02:16:50,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:49" (2/3) ... [2021-02-22 02:16:50,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4613f00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:16:50, skipping insertion in model container [2021-02-22 02:16:50,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:16:50" (3/3) ... [2021-02-22 02:16:50,999 INFO L111 eAbstractionObserver]: Analyzing ICFG dekker.i [2021-02-22 02:16:51,006 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-22 02:16:51,006 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:16:51,012 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-02-22 02:16:51,013 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-22 02:16:51,049 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,049 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,049 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,049 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,050 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,050 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,050 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,050 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,050 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,051 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,052 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,052 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,052 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,052 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,053 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,053 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,053 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,054 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,054 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,054 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,054 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,054 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,055 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,055 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,055 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,055 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,055 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,056 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,056 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,056 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,057 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,057 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,057 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,057 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,058 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,058 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,058 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,058 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,058 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,059 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,059 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,059 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,059 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,060 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,060 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,060 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,060 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,060 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,061 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,062 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,062 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,062 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,063 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,063 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,063 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,063 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,063 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,064 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,064 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,065 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,065 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,067 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,068 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,068 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,074 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,074 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,074 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,074 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:51,080 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-02-22 02:16:51,099 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-02-22 02:16:51,121 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:16:51,121 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:16:51,121 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:16:51,121 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:16:51,121 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:16:51,121 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:16:51,122 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:16:51,122 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:16:51,132 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 02:16:51,137 INFO L168 Benchmark]: Toolchain (without parser) took 2161.39 ms. Allocated memory is still 161.5 MB. Free memory was 135.5 MB in the beginning and 92.8 MB in the end (delta: 42.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:51,138 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 161.5 MB. Free memory is still 135.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:16:51,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 945.12 ms. Allocated memory is still 161.5 MB. Free memory was 134.5 MB in the beginning and 103.8 MB in the end (delta: 30.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:51,140 INFO L168 Benchmark]: Boogie Preprocessor took 133.89 ms. Allocated memory is still 161.5 MB. Free memory was 103.8 MB in the beginning and 100.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:51,141 INFO L168 Benchmark]: RCFGBuilder took 918.59 ms. Allocated memory is still 161.5 MB. Free memory was 100.7 MB in the beginning and 105.9 MB in the end (delta: -5.3 MB). Peak memory consumption was 23.8 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:51,142 INFO L168 Benchmark]: TraceAbstraction took 143.41 ms. Allocated memory is still 161.5 MB. Free memory was 105.4 MB in the beginning and 92.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:51,146 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 161.5 MB. Free memory is still 135.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 945.12 ms. Allocated memory is still 161.5 MB. Free memory was 134.5 MB in the beginning and 103.8 MB in the end (delta: 30.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 133.89 ms. Allocated memory is still 161.5 MB. Free memory was 103.8 MB in the beginning and 100.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 918.59 ms. Allocated memory is still 161.5 MB. Free memory was 100.7 MB in the beginning and 105.9 MB in the end (delta: -5.3 MB). Peak memory consumption was 23.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 143.41 ms. Allocated memory is still 161.5 MB. Free memory was 105.4 MB in the beginning and 92.8 MB in the end (delta: 12.6 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...