/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/szymanski.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:16:53,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:16:53,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:16:53,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 02:16:53,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 02:16:53,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 02:16:53,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 02:16:53,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 02:16:53,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 02:16:53,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 02:16:53,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 02:16:53,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 02:16:53,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:16:53,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:16:53,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:16:53,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:16:53,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:16:53,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:16:53,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:16:53,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:16:53,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:16:53,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:16:53,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:16:53,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:16:53,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 02:16:53,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 02:16:53,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 02:16:53,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 02:16:53,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 02:16:53,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 02:16:53,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 02:16:53,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 02:16:53,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 02:16:53,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:16:53,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:16:53,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:16:53,992 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 02:16:54,021 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:16:54,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:16:54,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:16:54,026 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:16:54,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:16:54,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:16:54,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:16:54,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:16:54,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:16:54,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:16:54,028 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:16:54,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:16:54,029 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:16:54,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:16:54,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:16:54,030 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:16:54,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:16:54,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:16:54,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:16:54,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:16:54,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:16:54,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:16:54,031 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:16:54,031 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:16:54,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:16:54,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:16:54,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:16:54,490 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:16:54,491 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:16:54,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/szymanski.i [2021-02-22 02:16:54,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/808d589d4/8b0ed03266e84df389a38de6776b1fc5/FLAGc6be789af [2021-02-22 02:16:55,396 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:16:55,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i [2021-02-22 02:16:55,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/808d589d4/8b0ed03266e84df389a38de6776b1fc5/FLAGc6be789af [2021-02-22 02:16:55,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/808d589d4/8b0ed03266e84df389a38de6776b1fc5 [2021-02-22 02:16:55,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:16:55,635 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:16:55,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:16:55,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:16:55,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:16:55,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:16:55" (1/1) ... [2021-02-22 02:16:55,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514676d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:55, skipping insertion in model container [2021-02-22 02:16:55,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:16:55" (1/1) ... [2021-02-22 02:16:55,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:16:55,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:16:55,932 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-02-22 02:16:56,092 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/szymanski.i[31505,31518] [2021-02-22 02:16:56,101 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/szymanski.i[32915,32928] [2021-02-22 02:16:56,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:16:56,117 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:16:56,134 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-02-22 02:16:56,163 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[31505,31518] [2021-02-22 02:16:56,168 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/szymanski.i[32915,32928] [2021-02-22 02:16:56,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:16:56,321 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:16:56,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:56 WrapperNode [2021-02-22 02:16:56,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:16:56,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:16:56,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:16:56,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:16:56,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:56" (1/1) ... [2021-02-22 02:16:56,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:56" (1/1) ... [2021-02-22 02:16:56,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:56" (1/1) ... [2021-02-22 02:16:56,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:56" (1/1) ... [2021-02-22 02:16:56,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:56" (1/1) ... [2021-02-22 02:16:56,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:56" (1/1) ... [2021-02-22 02:16:56,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:56" (1/1) ... [2021-02-22 02:16:56,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:16:56,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:16:56,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:16:56,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:16:56,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:56" (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 02:16:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:16:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:16:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:16:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_16 [2021-02-22 02:16:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-22 02:16:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-22 02:16:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-02-22 02:16:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-02-22 02:16:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-02-22 02:16:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-02-22 02:16:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-02-22 02:16:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:16:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:16:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:16:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 02:16:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 02:16:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:16:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:16:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-02-22 02:16:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-02-22 02:16:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_16 [2021-02-22 02:16:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_bswap16 [2021-02-22 02:16:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-22 02:16:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-22 02:16:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-02-22 02:16:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-02-22 02:16:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-02-22 02:16:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2021-02-22 02:16:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2021-02-22 02:16:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2021-02-22 02:16:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2021-02-22 02:16:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2021-02-22 02:16:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2021-02-22 02:16:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2021-02-22 02:16:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2021-02-22 02:16:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2021-02-22 02:16:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2021-02-22 02:16:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2021-02-22 02:16:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2021-02-22 02:16:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure time [2021-02-22 02:16:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2021-02-22 02:16:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2021-02-22 02:16:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2021-02-22 02:16:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2021-02-22 02:16:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2021-02-22 02:16:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2021-02-22 02:16:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2021-02-22 02:16:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2021-02-22 02:16:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2021-02-22 02:16:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2021-02-22 02:16:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2021-02-22 02:16:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2021-02-22 02:16:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2021-02-22 02:16:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2021-02-22 02:16:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2021-02-22 02:16:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2021-02-22 02:16:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2021-02-22 02:16:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2021-02-22 02:16:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2021-02-22 02:16:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2021-02-22 02:16:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2021-02-22 02:16:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2021-02-22 02:16:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2021-02-22 02:16:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2021-02-22 02:16:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2021-02-22 02:16:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2021-02-22 02:16:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2021-02-22 02:16:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2021-02-22 02:16:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2021-02-22 02:16:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2021-02-22 02:16:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2021-02-22 02:16:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2021-02-22 02:16:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2021-02-22 02:16:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2021-02-22 02:16:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2021-02-22 02:16:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2021-02-22 02:16:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2021-02-22 02:16:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2021-02-22 02:16:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2021-02-22 02:16:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2021-02-22 02:16:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2021-02-22 02:16:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2021-02-22 02:16:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2021-02-22 02:16:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2021-02-22 02:16:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2021-02-22 02:16:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2021-02-22 02:16:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2021-02-22 02:16:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2021-02-22 02:16:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2021-02-22 02:16:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2021-02-22 02:16:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2021-02-22 02:16:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2021-02-22 02:16:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2021-02-22 02:16:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2021-02-22 02:16:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2021-02-22 02:16:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2021-02-22 02:16:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2021-02-22 02:16:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2021-02-22 02:16:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2021-02-22 02:16:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2021-02-22 02:16:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2021-02-22 02:16:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2021-02-22 02:16:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2021-02-22 02:16:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2021-02-22 02:16:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2021-02-22 02:16:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2021-02-22 02:16:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2021-02-22 02:16:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2021-02-22 02:16:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2021-02-22 02:16:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2021-02-22 02:16:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2021-02-22 02:16:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2021-02-22 02:16:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2021-02-22 02:16:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2021-02-22 02:16:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2021-02-22 02:16:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2021-02-22 02:16:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2021-02-22 02:16:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2021-02-22 02:16:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2021-02-22 02:16:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2021-02-22 02:16:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2021-02-22 02:16:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2021-02-22 02:16:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2021-02-22 02:16:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2021-02-22 02:16:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2021-02-22 02:16:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2021-02-22 02:16:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2021-02-22 02:16:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2021-02-22 02:16:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2021-02-22 02:16:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2021-02-22 02:16:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2021-02-22 02:16:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2021-02-22 02:16:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2021-02-22 02:16:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2021-02-22 02:16:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2021-02-22 02:16:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2021-02-22 02:16:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2021-02-22 02:16:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2021-02-22 02:16:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2021-02-22 02:16:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2021-02-22 02:16:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2021-02-22 02:16:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2021-02-22 02:16:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2021-02-22 02:16:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2021-02-22 02:16:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2021-02-22 02:16:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2021-02-22 02:16:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2021-02-22 02:16:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2021-02-22 02:16:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2021-02-22 02:16:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2021-02-22 02:16:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2021-02-22 02:16:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2021-02-22 02:16:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2021-02-22 02:16:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2021-02-22 02:16:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2021-02-22 02:16:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2021-02-22 02:16:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2021-02-22 02:16:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2021-02-22 02:16:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2021-02-22 02:16:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2021-02-22 02:16:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2021-02-22 02:16:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2021-02-22 02:16:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2021-02-22 02:16:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2021-02-22 02:16:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2021-02-22 02:16:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2021-02-22 02:16:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2021-02-22 02:16:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2021-02-22 02:16:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2021-02-22 02:16:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2021-02-22 02:16:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2021-02-22 02:16:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2021-02-22 02:16:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2021-02-22 02:16:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-02-22 02:16:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-02-22 02:16:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:16:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:16:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:16:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:16:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:16:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:16:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:16:57,218 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:16:57,219 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-02-22 02:16:57,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:16:57 BoogieIcfgContainer [2021-02-22 02:16:57,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:16:57,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:16:57,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:16:57,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:16:57,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:16:55" (1/3) ... [2021-02-22 02:16:57,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25585819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:16:57, skipping insertion in model container [2021-02-22 02:16:57,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:56" (2/3) ... [2021-02-22 02:16:57,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25585819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:16:57, skipping insertion in model container [2021-02-22 02:16:57,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:16:57" (3/3) ... [2021-02-22 02:16:57,231 INFO L111 eAbstractionObserver]: Analyzing ICFG szymanski.i [2021-02-22 02:16:57,246 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-22 02:16:57,247 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:16:57,253 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-02-22 02:16:57,254 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-22 02:16:57,296 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,296 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,296 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,296 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,297 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,297 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,297 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,297 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,298 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,298 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,298 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,300 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,300 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,301 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,301 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,301 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,301 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,304 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,304 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,304 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,305 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,305 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,305 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,305 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,306 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,306 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,306 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,306 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,307 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,307 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,307 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,308 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,308 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,308 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,309 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,309 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,309 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,309 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,310 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,310 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,310 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,310 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,311 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,311 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,311 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,312 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,312 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,312 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,312 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,312 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,313 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,313 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,313 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,314 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,314 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,314 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,314 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,315 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,315 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,315 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,315 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,316 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,316 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,316 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,316 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,317 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,317 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,317 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,317 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,318 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,318 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,318 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,318 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,319 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,319 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,319 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,320 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,320 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,320 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,320 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,321 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,321 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,321 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,322 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,322 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,322 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,322 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,323 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,323 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,323 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,323 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,323 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,326 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,326 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,333 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,333 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-22 02:16:57,339 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-02-22 02:16:57,358 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-02-22 02:16:57,384 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:16:57,384 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:16:57,384 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:16:57,384 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:16:57,384 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:16:57,385 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:16:57,385 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:16:57,385 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:16:57,396 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 02:16:57,402 INFO L168 Benchmark]: Toolchain (without parser) took 1777.74 ms. Allocated memory was 152.0 MB in the beginning and 191.9 MB in the end (delta: 39.8 MB). Free memory was 126.6 MB in the beginning and 149.4 MB in the end (delta: -22.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:57,403 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:16:57,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.45 ms. Allocated memory is still 152.0 MB. Free memory was 125.6 MB in the beginning and 129.5 MB in the end (delta: -3.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:57,404 INFO L168 Benchmark]: Boogie Preprocessor took 101.82 ms. Allocated memory is still 152.0 MB. Free memory was 129.5 MB in the beginning and 125.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:57,406 INFO L168 Benchmark]: RCFGBuilder took 791.70 ms. Allocated memory was 152.0 MB in the beginning and 191.9 MB in the end (delta: 39.8 MB). Free memory was 125.9 MB in the beginning and 164.1 MB in the end (delta: -38.2 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:57,407 INFO L168 Benchmark]: TraceAbstraction took 175.55 ms. Allocated memory is still 191.9 MB. Free memory was 163.6 MB in the beginning and 149.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:57,411 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 682.45 ms. Allocated memory is still 152.0 MB. Free memory was 125.6 MB in the beginning and 129.5 MB in the end (delta: -3.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 101.82 ms. Allocated memory is still 152.0 MB. Free memory was 129.5 MB in the beginning and 125.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 791.70 ms. Allocated memory was 152.0 MB in the beginning and 191.9 MB in the end (delta: 39.8 MB). Free memory was 125.9 MB in the beginning and 164.1 MB in the end (delta: -38.2 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 175.55 ms. Allocated memory is still 191.9 MB. Free memory was 163.6 MB in the beginning and 149.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 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...