/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/stack_longest-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 16:22:15,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 16:22:15,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 16:22:15,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 16:22:15,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 16:22:15,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 16:22:15,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 16:22:15,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 16:22:15,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 16:22:15,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 16:22:15,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 16:22:15,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 16:22:15,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 16:22:15,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 16:22:15,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 16:22:15,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 16:22:15,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 16:22:15,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 16:22:15,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 16:22:15,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 16:22:15,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 16:22:15,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 16:22:15,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 16:22:15,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 16:22:15,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 16:22:15,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 16:22:15,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 16:22:15,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 16:22:15,417 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-21 16:22:15,473 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 16:22:15,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 16:22:15,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 16:22:15,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 16:22:15,479 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 16:22:15,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 16:22:15,479 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 16:22:15,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 16:22:15,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 16:22:15,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 16:22:15,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 16:22:15,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 16:22:15,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 16:22:15,482 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 16:22:15,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 16:22:15,483 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 16:22:15,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 16:22:15,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 16:22:15,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 16:22:15,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 16:22:15,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:22:15,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 16:22:15,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 16:22:15,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 16:22:15,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 16:22:15,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 16:22:15,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 16:22:15,486 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 16:22:15,486 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 16:22:15,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 16:22:15,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 16:22:15,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 16:22:15,948 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 16:22:15,949 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 16:22:15,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-1.i [2021-02-21 16:22:16,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1391a48c2/1a7f42335104470f88062ceb5175cc9f/FLAG14e4b9bfd [2021-02-21 16:22:16,736 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 16:22:16,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-1.i [2021-02-21 16:22:16,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1391a48c2/1a7f42335104470f88062ceb5175cc9f/FLAG14e4b9bfd [2021-02-21 16:22:16,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1391a48c2/1a7f42335104470f88062ceb5175cc9f [2021-02-21 16:22:16,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 16:22:17,010 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 16:22:17,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 16:22:17,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 16:22:17,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 16:22:17,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:22:16" (1/1) ... [2021-02-21 16:22:17,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f338ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:22:17, skipping insertion in model container [2021-02-21 16:22:17,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:22:16" (1/1) ... [2021-02-21 16:22:17,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 16:22:17,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 16:22:17,603 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/stack_longest-1.i[41530,41543] [2021-02-21 16:22:17,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:22:17,656 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 16:22:17,702 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/stack_longest-1.i[41530,41543] [2021-02-21 16:22:17,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:22:18,013 INFO L208 MainTranslator]: Completed translation [2021-02-21 16:22:18,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:22:18 WrapperNode [2021-02-21 16:22:18,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 16:22:18,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 16:22:18,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 16:22:18,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 16:22:18,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:22:18" (1/1) ... [2021-02-21 16:22:18,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:22:18" (1/1) ... [2021-02-21 16:22:18,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:22:18" (1/1) ... [2021-02-21 16:22:18,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:22:18" (1/1) ... [2021-02-21 16:22:18,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:22:18" (1/1) ... [2021-02-21 16:22:18,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:22:18" (1/1) ... [2021-02-21 16:22:18,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:22:18" (1/1) ... [2021-02-21 16:22:18,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 16:22:18,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 16:22:18,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 16:22:18,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 16:22:18,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:22:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:22:18,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 16:22:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 16:22:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 16:22:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-21 16:22:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-02-21 16:22:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-02-21 16:22:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-02-21 16:22:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-02-21 16:22:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-02-21 16:22:18,302 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-02-21 16:22:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_top [2021-02-21 16:22:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_top [2021-02-21 16:22:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-02-21 16:22:18,304 INFO L138 BoogieDeclarations]: Found implementation of procedure stack_empty [2021-02-21 16:22:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2021-02-21 16:22:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pop [2021-02-21 16:22:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-02-21 16:22:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-02-21 16:22:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 16:22:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 16:22:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 16:22:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 16:22:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 16:22:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 16:22:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 16:22:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-21 16:22:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-02-21 16:22:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-02-21 16:22:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-02-21 16:22:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-02-21 16:22:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-02-21 16:22:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2021-02-21 16:22:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2021-02-21 16:22:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2021-02-21 16:22:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2021-02-21 16:22:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2021-02-21 16:22:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2021-02-21 16:22:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2021-02-21 16:22:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2021-02-21 16:22:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2021-02-21 16:22:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2021-02-21 16:22:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2021-02-21 16:22:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2021-02-21 16:22:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure time [2021-02-21 16:22:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2021-02-21 16:22:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2021-02-21 16:22:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2021-02-21 16:22:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2021-02-21 16:22:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2021-02-21 16:22:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2021-02-21 16:22:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2021-02-21 16:22:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2021-02-21 16:22:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2021-02-21 16:22:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2021-02-21 16:22:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2021-02-21 16:22:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2021-02-21 16:22:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2021-02-21 16:22:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2021-02-21 16:22:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2021-02-21 16:22:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2021-02-21 16:22:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2021-02-21 16:22:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2021-02-21 16:22:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2021-02-21 16:22:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2021-02-21 16:22:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2021-02-21 16:22:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2021-02-21 16:22:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2021-02-21 16:22:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2021-02-21 16:22:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2021-02-21 16:22:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2021-02-21 16:22:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2021-02-21 16:22:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2021-02-21 16:22:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_get [2021-02-21 16:22:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2021-02-21 16:22:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2021-02-21 16:22:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2021-02-21 16:22:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2021-02-21 16:22:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2021-02-21 16:22:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2021-02-21 16:22:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2021-02-21 16:22:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2021-02-21 16:22:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2021-02-21 16:22:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2021-02-21 16:22:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2021-02-21 16:22:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2021-02-21 16:22:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2021-02-21 16:22:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2021-02-21 16:22:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2021-02-21 16:22:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2021-02-21 16:22:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2021-02-21 16:22:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2021-02-21 16:22:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2021-02-21 16:22:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2021-02-21 16:22:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2021-02-21 16:22:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2021-02-21 16:22:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2021-02-21 16:22:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2021-02-21 16:22:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2021-02-21 16:22:18,325 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2021-02-21 16:22:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2021-02-21 16:22:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2021-02-21 16:22:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2021-02-21 16:22:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2021-02-21 16:22:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2021-02-21 16:22:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2021-02-21 16:22:18,326 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2021-02-21 16:22:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2021-02-21 16:22:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2021-02-21 16:22:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2021-02-21 16:22:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2021-02-21 16:22:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2021-02-21 16:22:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2021-02-21 16:22:18,327 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2021-02-21 16:22:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2021-02-21 16:22:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2021-02-21 16:22:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2021-02-21 16:22:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2021-02-21 16:22:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2021-02-21 16:22:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2021-02-21 16:22:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2021-02-21 16:22:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2021-02-21 16:22:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2021-02-21 16:22:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2021-02-21 16:22:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2021-02-21 16:22:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2021-02-21 16:22:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2021-02-21 16:22:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2021-02-21 16:22:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2021-02-21 16:22:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2021-02-21 16:22:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2021-02-21 16:22:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2021-02-21 16:22:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2021-02-21 16:22:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2021-02-21 16:22:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2021-02-21 16:22:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2021-02-21 16:22:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2021-02-21 16:22:18,336 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2021-02-21 16:22:18,337 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2021-02-21 16:22:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2021-02-21 16:22:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2021-02-21 16:22:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2021-02-21 16:22:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2021-02-21 16:22:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2021-02-21 16:22:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2021-02-21 16:22:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2021-02-21 16:22:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2021-02-21 16:22:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2021-02-21 16:22:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2021-02-21 16:22:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2021-02-21 16:22:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2021-02-21 16:22:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2021-02-21 16:22:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2021-02-21 16:22:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2021-02-21 16:22:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2021-02-21 16:22:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2021-02-21 16:22:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2021-02-21 16:22:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2021-02-21 16:22:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2021-02-21 16:22:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2021-02-21 16:22:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2021-02-21 16:22:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2021-02-21 16:22:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2021-02-21 16:22:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2021-02-21 16:22:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2021-02-21 16:22:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2021-02-21 16:22:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2021-02-21 16:22:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2021-02-21 16:22:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2021-02-21 16:22:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2021-02-21 16:22:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2021-02-21 16:22:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2021-02-21 16:22:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2021-02-21 16:22:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2021-02-21 16:22:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2021-02-21 16:22:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2021-02-21 16:22:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2021-02-21 16:22:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2021-02-21 16:22:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2021-02-21 16:22:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2021-02-21 16:22:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2021-02-21 16:22:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2021-02-21 16:22:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2021-02-21 16:22:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2021-02-21 16:22:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2021-02-21 16:22:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2021-02-21 16:22:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2021-02-21 16:22:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2021-02-21 16:22:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2021-02-21 16:22:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2021-02-21 16:22:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2021-02-21 16:22:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2021-02-21 16:22:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2021-02-21 16:22:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2021-02-21 16:22:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2021-02-21 16:22:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2021-02-21 16:22:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2021-02-21 16:22:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2021-02-21 16:22:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2021-02-21 16:22:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2021-02-21 16:22:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2021-02-21 16:22:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2021-02-21 16:22:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2021-02-21 16:22:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2021-02-21 16:22:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-02-21 16:22:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2021-02-21 16:22:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-02-21 16:22:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2021-02-21 16:22:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2021-02-21 16:22:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2021-02-21 16:22:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2021-02-21 16:22:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2021-02-21 16:22:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2021-02-21 16:22:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2021-02-21 16:22:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2021-02-21 16:22:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2021-02-21 16:22:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-21 16:22:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2021-02-21 16:22:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2021-02-21 16:22:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2021-02-21 16:22:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2021-02-21 16:22:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-21 16:22:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2021-02-21 16:22:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2021-02-21 16:22:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2021-02-21 16:22:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2021-02-21 16:22:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2021-02-21 16:22:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2021-02-21 16:22:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2021-02-21 16:22:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2021-02-21 16:22:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2021-02-21 16:22:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2021-02-21 16:22:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2021-02-21 16:22:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2021-02-21 16:22:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2021-02-21 16:22:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2021-02-21 16:22:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2021-02-21 16:22:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2021-02-21 16:22:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2021-02-21 16:22:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2021-02-21 16:22:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2021-02-21 16:22:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2021-02-21 16:22:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2021-02-21 16:22:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2021-02-21 16:22:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2021-02-21 16:22:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2021-02-21 16:22:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2021-02-21 16:22:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2021-02-21 16:22:18,364 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2021-02-21 16:22:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2021-02-21 16:22:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-02-21 16:22:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2021-02-21 16:22:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2021-02-21 16:22:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2021-02-21 16:22:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2021-02-21 16:22:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2021-02-21 16:22:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2021-02-21 16:22:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2021-02-21 16:22:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2021-02-21 16:22:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2021-02-21 16:22:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2021-02-21 16:22:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2021-02-21 16:22:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2021-02-21 16:22:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2021-02-21 16:22:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2021-02-21 16:22:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2021-02-21 16:22:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2021-02-21 16:22:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2021-02-21 16:22:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2021-02-21 16:22:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2021-02-21 16:22:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2021-02-21 16:22:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2021-02-21 16:22:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2021-02-21 16:22:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2021-02-21 16:22:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2021-02-21 16:22:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2021-02-21 16:22:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2021-02-21 16:22:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2021-02-21 16:22:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-02-21 16:22:18,378 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-02-21 16:22:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure inc_top [2021-02-21 16:22:18,379 INFO L130 BoogieDeclarations]: Found specification of procedure dec_top [2021-02-21 16:22:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-02-21 16:22:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure stack_empty [2021-02-21 16:22:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure push [2021-02-21 16:22:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 16:22:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure pop [2021-02-21 16:22:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 16:22:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-02-21 16:22:18,380 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-02-21 16:22:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-02-21 16:22:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 16:22:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 16:22:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 16:22:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 16:22:18,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 16:22:18,390 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-21 16:22:19,445 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 16:22:19,445 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-02-21 16:22:19,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:22:19 BoogieIcfgContainer [2021-02-21 16:22:19,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 16:22:19,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 16:22:19,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 16:22:19,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 16:22:19,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 04:22:16" (1/3) ... [2021-02-21 16:22:19,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5213a67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:22:19, skipping insertion in model container [2021-02-21 16:22:19,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:22:18" (2/3) ... [2021-02-21 16:22:19,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5213a67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:22:19, skipping insertion in model container [2021-02-21 16:22:19,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:22:19" (3/3) ... [2021-02-21 16:22:19,457 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2021-02-21 16:22:19,464 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-21 16:22:19,465 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 16:22:19,470 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 16:22:19,471 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-21 16:22:19,514 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,515 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,515 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,515 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,515 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,516 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,516 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,516 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,516 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,516 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,516 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,517 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,517 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,517 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,517 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,517 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,517 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,518 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,518 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,518 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,518 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,518 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,518 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,519 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,519 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,519 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,519 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,519 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,520 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,520 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-21 16:22:19,521 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: ProcedureMultiplier does not support IcfgCallTransition. Calls and returns should habe been removed by inlining. (Did the inlining fail because this program is recursive.) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:255) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-21 16:22:19,530 INFO L168 Benchmark]: Toolchain (without parser) took 2528.18 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 84.3 MB in the end (delta: 40.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 8.0 GB. [2021-02-21 16:22:19,531 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. [2021-02-21 16:22:19,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1003.13 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 94.7 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:22:19,536 INFO L168 Benchmark]: Boogie Preprocessor took 150.72 ms. Allocated memory is still 151.0 MB. Free memory was 94.7 MB in the beginning and 90.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-21 16:22:19,537 INFO L168 Benchmark]: RCFGBuilder took 1277.67 ms. Allocated memory is still 151.0 MB. Free memory was 90.5 MB in the beginning and 91.7 MB in the end (delta: -1.2 MB). Peak memory consumption was 46.0 MB. Max. memory is 8.0 GB. [2021-02-21 16:22:19,538 INFO L168 Benchmark]: TraceAbstraction took 76.80 ms. Allocated memory is still 151.0 MB. Free memory was 91.2 MB in the beginning and 84.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-02-21 16:22:19,550 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 1003.13 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 94.7 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 150.72 ms. Allocated memory is still 151.0 MB. Free memory was 94.7 MB in the beginning and 90.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1277.67 ms. Allocated memory is still 151.0 MB. Free memory was 90.5 MB in the beginning and 91.7 MB in the end (delta: -1.2 MB). Peak memory consumption was 46.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 76.80 ms. Allocated memory is still 151.0 MB. Free memory was 91.2 MB in the beginning and 84.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: ProcedureMultiplier does not support IcfgCallTransition. Calls and returns should habe been removed by inlining. (Did the inlining fail because this program is recursive.) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: ProcedureMultiplier does not support IcfgCallTransition. Calls and returns should habe been removed by inlining. (Did the inlining fail because this program is recursive.): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:255) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...