/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/qrcu-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:16:51,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:16:51,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:16:51,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 02:16:51,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 02:16:51,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 02:16:51,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 02:16:51,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 02:16:51,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 02:16:51,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 02:16:51,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 02:16:51,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 02:16:51,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:16:51,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:16:51,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:16:51,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:16:51,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:16:51,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:16:51,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:16:51,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:16:51,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:16:51,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:16:51,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:16:51,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:16:51,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 02:16:51,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:16:51,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:16:51,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:16:51,758 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 02:16:51,778 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:16:51,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:16:51,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:16:51,783 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:16:51,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:16:51,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:16:51,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:16:51,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:16:51,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:16:51,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:16:51,785 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:16:51,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:16:51,786 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:16:51,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:16:51,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:16:51,786 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:16:51,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:16:51,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:16:51,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:16:51,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:16:51,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:16:51,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:16:51,788 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:16:51,788 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:16:52,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:16:52,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:16:52,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:16:52,210 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:16:52,210 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:16:52,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2021-02-22 02:16:52,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aefb2e3f9/8aa94df09b8a43f784f451653d4bb1e1/FLAGeee1b411a [2021-02-22 02:16:52,990 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:16:52,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/qrcu-2.i [2021-02-22 02:16:53,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aefb2e3f9/8aa94df09b8a43f784f451653d4bb1e1/FLAGeee1b411a [2021-02-22 02:16:53,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aefb2e3f9/8aa94df09b8a43f784f451653d4bb1e1 [2021-02-22 02:16:53,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:16:53,189 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:16:53,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:16:53,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:16:53,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:16:53,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:16:53" (1/1) ... [2021-02-22 02:16:53,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48217497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:53, skipping insertion in model container [2021-02-22 02:16:53,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:16:53" (1/1) ... [2021-02-22 02:16:53,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:16:53,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:16:53,724 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/qrcu-2.i[30690,30703] [2021-02-22 02:16:53,729 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/qrcu-2.i[30912,30925] [2021-02-22 02:16:53,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:16:53,760 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:16:53,797 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/qrcu-2.i[30690,30703] [2021-02-22 02:16:53,798 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/qrcu-2.i[30912,30925] [2021-02-22 02:16:53,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:16:53,952 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:16:53,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:53 WrapperNode [2021-02-22 02:16:53,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:16:53,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:16:53,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:16:53,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:16:53,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:53" (1/1) ... [2021-02-22 02:16:53,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:53" (1/1) ... [2021-02-22 02:16:54,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:53" (1/1) ... [2021-02-22 02:16:54,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:53" (1/1) ... [2021-02-22 02:16:54,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:53" (1/1) ... [2021-02-22 02:16:54,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:53" (1/1) ... [2021-02-22 02:16:54,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:53" (1/1) ... [2021-02-22 02:16:54,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:16:54,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:16:54,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:16:54,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:16:54,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:53" (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 02:16:54,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:16:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:16:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-22 02:16:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:16:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-22 02:16:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-22 02:16:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-02-22 02:16:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-02-22 02:16:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-02-22 02:16:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use1 [2021-02-22 02:16:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use2 [2021-02-22 02:16:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use_done [2021-02-22 02:16:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_take_snapshot [2021-02-22 02:16:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_check_progress1 [2021-02-22 02:16:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_check_progress2 [2021-02-22 02:16:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-02-22 02:16:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-02-22 02:16:54,224 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-02-22 02:16:54,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:16:54,225 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:16:54,225 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-22 02:16:54,225 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:16:54,225 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 02:16:54,225 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 02:16:54,226 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:16:54,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:16:54,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:16:54,226 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-22 02:16:54,226 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-22 02:16:54,226 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-02-22 02:16:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-02-22 02:16:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-02-22 02:16:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2021-02-22 02:16:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2021-02-22 02:16:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2021-02-22 02:16:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2021-02-22 02:16:54,227 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2021-02-22 02:16:54,228 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2021-02-22 02:16:54,228 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2021-02-22 02:16:54,228 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2021-02-22 02:16:54,228 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2021-02-22 02:16:54,228 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2021-02-22 02:16:54,228 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2021-02-22 02:16:54,228 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2021-02-22 02:16:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure time [2021-02-22 02:16:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2021-02-22 02:16:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2021-02-22 02:16:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2021-02-22 02:16:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2021-02-22 02:16:54,229 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2021-02-22 02:16:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2021-02-22 02:16:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2021-02-22 02:16:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2021-02-22 02:16:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2021-02-22 02:16:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2021-02-22 02:16:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2021-02-22 02:16:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2021-02-22 02:16:54,231 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2021-02-22 02:16:54,231 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2021-02-22 02:16:54,231 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2021-02-22 02:16:54,231 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2021-02-22 02:16:54,231 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2021-02-22 02:16:54,231 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2021-02-22 02:16:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2021-02-22 02:16:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2021-02-22 02:16:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2021-02-22 02:16:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2021-02-22 02:16:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2021-02-22 02:16:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2021-02-22 02:16:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2021-02-22 02:16:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2021-02-22 02:16:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2021-02-22 02:16:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2021-02-22 02:16:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2021-02-22 02:16:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2021-02-22 02:16:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2021-02-22 02:16:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2021-02-22 02:16:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2021-02-22 02:16:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2021-02-22 02:16:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2021-02-22 02:16:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2021-02-22 02:16:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2021-02-22 02:16:54,235 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2021-02-22 02:16:54,235 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2021-02-22 02:16:54,235 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2021-02-22 02:16:54,235 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2021-02-22 02:16:54,235 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2021-02-22 02:16:54,235 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2021-02-22 02:16:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2021-02-22 02:16:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2021-02-22 02:16:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2021-02-22 02:16:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2021-02-22 02:16:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2021-02-22 02:16:54,236 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2021-02-22 02:16:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2021-02-22 02:16:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2021-02-22 02:16:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2021-02-22 02:16:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2021-02-22 02:16:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2021-02-22 02:16:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2021-02-22 02:16:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2021-02-22 02:16:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2021-02-22 02:16:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2021-02-22 02:16:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2021-02-22 02:16:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2021-02-22 02:16:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2021-02-22 02:16:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2021-02-22 02:16:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2021-02-22 02:16:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2021-02-22 02:16:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2021-02-22 02:16:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2021-02-22 02:16:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2021-02-22 02:16:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2021-02-22 02:16:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2021-02-22 02:16:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2021-02-22 02:16:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2021-02-22 02:16:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2021-02-22 02:16:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2021-02-22 02:16:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2021-02-22 02:16:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2021-02-22 02:16:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2021-02-22 02:16:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2021-02-22 02:16:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2021-02-22 02:16:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2021-02-22 02:16:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2021-02-22 02:16:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2021-02-22 02:16:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2021-02-22 02:16:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2021-02-22 02:16:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2021-02-22 02:16:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2021-02-22 02:16:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2021-02-22 02:16:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2021-02-22 02:16:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2021-02-22 02:16:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2021-02-22 02:16:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2021-02-22 02:16:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2021-02-22 02:16:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2021-02-22 02:16:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2021-02-22 02:16:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2021-02-22 02:16:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2021-02-22 02:16:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2021-02-22 02:16:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2021-02-22 02:16:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2021-02-22 02:16:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2021-02-22 02:16:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2021-02-22 02:16:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2021-02-22 02:16:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2021-02-22 02:16:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2021-02-22 02:16:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2021-02-22 02:16:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2021-02-22 02:16:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2021-02-22 02:16:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2021-02-22 02:16:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2021-02-22 02:16:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2021-02-22 02:16:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2021-02-22 02:16:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2021-02-22 02:16:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2021-02-22 02:16:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2021-02-22 02:16:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2021-02-22 02:16:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2021-02-22 02:16:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2021-02-22 02:16:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2021-02-22 02:16:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2021-02-22 02:16:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2021-02-22 02:16:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2021-02-22 02:16:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2021-02-22 02:16:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2021-02-22 02:16:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2021-02-22 02:16:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2021-02-22 02:16:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2021-02-22 02:16:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2021-02-22 02:16:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2021-02-22 02:16:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2021-02-22 02:16:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2021-02-22 02:16:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2021-02-22 02:16:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2021-02-22 02:16:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2021-02-22 02:16:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2021-02-22 02:16:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use1 [2021-02-22 02:16:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use2 [2021-02-22 02:16:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use_done [2021-02-22 02:16:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_take_snapshot [2021-02-22 02:16:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_check_progress1 [2021-02-22 02:16:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_check_progress2 [2021-02-22 02:16:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-02-22 02:16:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-02-22 02:16:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-02-22 02:16:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-02-22 02:16:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:16:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:16:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:16:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:16:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:16:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:16:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:16:55,265 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:16:55,265 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-02-22 02:16:55,266 ERROR L331 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_use2ENTRY is neither atomic block end nor a sink node. [2021-02-22 02:16:55,267 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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 02:16:55,272 INFO L168 Benchmark]: Toolchain (without parser) took 2094.13 ms. Allocated memory was 160.4 MB in the beginning and 192.9 MB in the end (delta: 32.5 MB). Free memory was 142.5 MB in the beginning and 142.1 MB in the end (delta: 383.1 kB). Peak memory consumption was 58.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:55,273 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 160.4 MB. Free memory was 134.4 MB in the beginning and 134.3 MB in the end (delta: 105.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:16:55,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.32 ms. Allocated memory is still 160.4 MB. Free memory was 141.4 MB in the beginning and 141.9 MB in the end (delta: -470.0 kB). Peak memory consumption was 36.7 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:55,275 INFO L168 Benchmark]: Boogie Preprocessor took 156.81 ms. Allocated memory is still 160.4 MB. Free memory was 141.9 MB in the beginning and 138.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:55,276 INFO L168 Benchmark]: RCFGBuilder took 1154.20 ms. Allocated memory was 160.4 MB in the beginning and 192.9 MB in the end (delta: 32.5 MB). Free memory was 138.4 MB in the beginning and 142.1 MB in the end (delta: -3.7 MB). Peak memory consumption was 55.5 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:55,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 160.4 MB. Free memory was 134.4 MB in the beginning and 134.3 MB in the end (delta: 105.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 762.32 ms. Allocated memory is still 160.4 MB. Free memory was 141.4 MB in the beginning and 141.9 MB in the end (delta: -470.0 kB). Peak memory consumption was 36.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 156.81 ms. Allocated memory is still 160.4 MB. Free memory was 141.9 MB in the beginning and 138.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1154.20 ms. Allocated memory was 160.4 MB in the beginning and 192.9 MB in the end (delta: 32.5 MB). Free memory was 138.4 MB in the beginning and 142.1 MB in the end (delta: -3.7 MB). Peak memory consumption was 55.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...