/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/pthread-ext/17_szymanski.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 02:20:20,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 02:20:20,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 02:20:20,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 02:20:20,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 02:20:20,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 02:20:20,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 02:20:20,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 02:20:20,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 02:20:20,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 02:20:20,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 02:20:20,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 02:20:20,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 02:20:20,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 02:20:20,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 02:20:20,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 02:20:20,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 02:20:20,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 02:20:20,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 02:20:20,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 02:20:20,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 02:20:20,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 02:20:20,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 02:20:20,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 02:20:20,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 02:20:20,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 02:20:20,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 02:20:20,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 02:20:20,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 02:20:20,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 02:20:20,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 02:20:20,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 02:20:20,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 02:20:20,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 02:20:20,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 02:20:20,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 02:20:20,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 02:20:20,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 02:20:20,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 02:20:20,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 02:20:20,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 02:20:20,964 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 02:20:20,989 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 02:20:20,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 02:20:20,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 02:20:20,994 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 02:20:20,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 02:20:20,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 02:20:20,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 02:20:20,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 02:20:20,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 02:20:20,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 02:20:20,997 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 02:20:20,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 02:20:20,997 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 02:20:20,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 02:20:20,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 02:20:20,998 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 02:20:20,998 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 02:20:20,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 02:20:20,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 02:20:20,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 02:20:20,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 02:20:20,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 02:20:21,000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 02:20:21,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 02:20:21,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 02:20:21,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 02:20:21,415 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 02:20:21,416 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 02:20:21,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/17_szymanski.i [2020-10-24 02:20:21,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25cef1243/b27b0a363adf48cc8b53f440e80cdb9c/FLAG36be5507a [2020-10-24 02:20:22,352 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 02:20:22,358 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/17_szymanski.i [2020-10-24 02:20:22,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25cef1243/b27b0a363adf48cc8b53f440e80cdb9c/FLAG36be5507a [2020-10-24 02:20:22,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25cef1243/b27b0a363adf48cc8b53f440e80cdb9c [2020-10-24 02:20:22,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 02:20:22,605 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 02:20:22,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 02:20:22,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 02:20:22,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 02:20:22,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:20:22" (1/1) ... [2020-10-24 02:20:22,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ccce495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:20:22, skipping insertion in model container [2020-10-24 02:20:22,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:20:22" (1/1) ... [2020-10-24 02:20:22,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 02:20:22,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 02:20:23,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 02:20:23,058 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 02:20:23,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 02:20:23,259 INFO L208 MainTranslator]: Completed translation [2020-10-24 02:20:23,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:20:23 WrapperNode [2020-10-24 02:20:23,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 02:20:23,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 02:20:23,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 02:20:23,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 02:20:23,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:20:23" (1/1) ... [2020-10-24 02:20:23,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:20:23" (1/1) ... [2020-10-24 02:20:23,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:20:23" (1/1) ... [2020-10-24 02:20:23,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:20:23" (1/1) ... [2020-10-24 02:20:23,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:20:23" (1/1) ... [2020-10-24 02:20:23,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:20:23" (1/1) ... [2020-10-24 02:20:23,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:20:23" (1/1) ... [2020-10-24 02:20:23,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 02:20:23,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 02:20:23,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 02:20:23,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 02:20:23,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:20:23" (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 [2020-10-24 02:20:23,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 02:20:23,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 02:20:23,463 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 02:20:23,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-24 02:20:23,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-24 02:20:23,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-24 02:20:23,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-24 02:20:23,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-24 02:20:23,464 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-24 02:20:23,464 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-24 02:20:23,464 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 02:20:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 02:20:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 02:20:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-24 02:20:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-24 02:20:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 02:20:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 02:20:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-24 02:20:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-24 02:20:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-24 02:20:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-24 02:20:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-24 02:20:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2020-10-24 02:20:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2020-10-24 02:20:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2020-10-24 02:20:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2020-10-24 02:20:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2020-10-24 02:20:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2020-10-24 02:20:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2020-10-24 02:20:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2020-10-24 02:20:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2020-10-24 02:20:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2020-10-24 02:20:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2020-10-24 02:20:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2020-10-24 02:20:23,468 INFO L130 BoogieDeclarations]: Found specification of procedure time [2020-10-24 02:20:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2020-10-24 02:20:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2020-10-24 02:20:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2020-10-24 02:20:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2020-10-24 02:20:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2020-10-24 02:20:23,469 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2020-10-24 02:20:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2020-10-24 02:20:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2020-10-24 02:20:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2020-10-24 02:20:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2020-10-24 02:20:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2020-10-24 02:20:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2020-10-24 02:20:23,470 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2020-10-24 02:20:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2020-10-24 02:20:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2020-10-24 02:20:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2020-10-24 02:20:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2020-10-24 02:20:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2020-10-24 02:20:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2020-10-24 02:20:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2020-10-24 02:20:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2020-10-24 02:20:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2020-10-24 02:20:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2020-10-24 02:20:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2020-10-24 02:20:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2020-10-24 02:20:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2020-10-24 02:20:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2020-10-24 02:20:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2020-10-24 02:20:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2020-10-24 02:20:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-10-24 02:20:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-10-24 02:20:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-10-24 02:20:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-10-24 02:20:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-10-24 02:20:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-10-24 02:20:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-10-24 02:20:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-10-24 02:20:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-10-24 02:20:23,474 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-10-24 02:20:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-10-24 02:20:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-10-24 02:20:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-10-24 02:20:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-10-24 02:20:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-10-24 02:20:23,475 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-10-24 02:20:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-10-24 02:20:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-10-24 02:20:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-10-24 02:20:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-10-24 02:20:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-10-24 02:20:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-10-24 02:20:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-10-24 02:20:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-10-24 02:20:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-10-24 02:20:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-10-24 02:20:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-10-24 02:20:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-10-24 02:20:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2020-10-24 02:20:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2020-10-24 02:20:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-10-24 02:20:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-10-24 02:20:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-10-24 02:20:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-10-24 02:20:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2020-10-24 02:20:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2020-10-24 02:20:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2020-10-24 02:20:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2020-10-24 02:20:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-10-24 02:20:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-10-24 02:20:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-10-24 02:20:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-10-24 02:20:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2020-10-24 02:20:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-10-24 02:20:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2020-10-24 02:20:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2020-10-24 02:20:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2020-10-24 02:20:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2020-10-24 02:20:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2020-10-24 02:20:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2020-10-24 02:20:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2020-10-24 02:20:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2020-10-24 02:20:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2020-10-24 02:20:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2020-10-24 02:20:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2020-10-24 02:20:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2020-10-24 02:20:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2020-10-24 02:20:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2020-10-24 02:20:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2020-10-24 02:20:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2020-10-24 02:20:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2020-10-24 02:20:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2020-10-24 02:20:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2020-10-24 02:20:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2020-10-24 02:20:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2020-10-24 02:20:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2020-10-24 02:20:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2020-10-24 02:20:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2020-10-24 02:20:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2020-10-24 02:20:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2020-10-24 02:20:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2020-10-24 02:20:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2020-10-24 02:20:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2020-10-24 02:20:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2020-10-24 02:20:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2020-10-24 02:20:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2020-10-24 02:20:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2020-10-24 02:20:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2020-10-24 02:20:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2020-10-24 02:20:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2020-10-24 02:20:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2020-10-24 02:20:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2020-10-24 02:20:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2020-10-24 02:20:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2020-10-24 02:20:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2020-10-24 02:20:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2020-10-24 02:20:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-10-24 02:20:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-10-24 02:20:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-10-24 02:20:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-10-24 02:20:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-10-24 02:20:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-10-24 02:20:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-10-24 02:20:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-10-24 02:20:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-10-24 02:20:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-10-24 02:20:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-10-24 02:20:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-10-24 02:20:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2020-10-24 02:20:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2020-10-24 02:20:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2020-10-24 02:20:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2020-10-24 02:20:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2020-10-24 02:20:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-10-24 02:20:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-24 02:20:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-24 02:20:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 02:20:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 02:20:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 02:20:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 02:20:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 02:20:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 02:20:23,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 02:20:24,067 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 02:20:24,068 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-24 02:20:24,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:20:24 BoogieIcfgContainer [2020-10-24 02:20:24,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 02:20:24,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 02:20:24,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 02:20:24,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 02:20:24,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:20:22" (1/3) ... [2020-10-24 02:20:24,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc0deba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:20:24, skipping insertion in model container [2020-10-24 02:20:24,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:20:23" (2/3) ... [2020-10-24 02:20:24,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc0deba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:20:24, skipping insertion in model container [2020-10-24 02:20:24,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:20:24" (3/3) ... [2020-10-24 02:20:24,079 INFO L111 eAbstractionObserver]: Analyzing ICFG 17_szymanski.i [2020-10-24 02:20:24,092 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-24 02:20:24,092 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 02:20:24,098 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 02:20:24,099 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-24 02:20:24,128 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-24 02:20:24,128 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-24 02:20:24,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-24 02:20:24,129 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-24 02:20:24,129 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-24 02:20:24,129 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-24 02:20:24,131 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: ProcedureMultiplier does not support IcfgCallTransition at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:251) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:349) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2020-10-24 02:20:24,136 INFO L168 Benchmark]: Toolchain (without parser) took 1538.54 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 122.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 5.4 MB. Max. memory is 8.0 GB. [2020-10-24 02:20:24,137 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 02:20:24,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.11 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 126.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 8.0 GB. [2020-10-24 02:20:24,139 INFO L168 Benchmark]: Boogie Preprocessor took 129.87 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 123.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-24 02:20:24,140 INFO L168 Benchmark]: RCFGBuilder took 675.06 ms. Allocated memory is still 151.0 MB. Free memory was 123.8 MB in the beginning and 126.7 MB in the end (delta: -2.9 MB). Peak memory consumption was 49.0 MB. Max. memory is 8.0 GB. [2020-10-24 02:20:24,141 INFO L168 Benchmark]: TraceAbstraction took 61.67 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 122.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-24 02:20:24,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 652.11 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 126.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 129.87 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 123.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 675.06 ms. Allocated memory is still 151.0 MB. Free memory was 123.8 MB in the beginning and 126.7 MB in the end (delta: -2.9 MB). Peak memory consumption was 49.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 61.67 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 122.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: ProcedureMultiplier does not support IcfgCallTransition de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: ProcedureMultiplier does not support IcfgCallTransition: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:251) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...