/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 12:31:19,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 12:31:19,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 12:31:19,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 12:31:19,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 12:31:19,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 12:31:19,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 12:31:19,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 12:31:19,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 12:31:19,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 12:31:19,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 12:31:19,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 12:31:19,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 12:31:19,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 12:31:19,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 12:31:19,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 12:31:19,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 12:31:19,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 12:31:19,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 12:31:19,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 12:31:19,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 12:31:19,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 12:31:19,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 12:31:19,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 12:31:19,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 12:31:19,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 12:31:19,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 12:31:19,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 12:31:19,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 12:31:19,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 12:31:19,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 12:31:19,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 12:31:19,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 12:31:19,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 12:31:19,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 12:31:19,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 12:31:19,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 12:31:19,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 12:31:19,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 12:31:19,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 12:31:19,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 12:31:19,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 12:31:19,518 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 12:31:19,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 12:31:19,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 12:31:19,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 12:31:19,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 12:31:19,520 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 12:31:19,520 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 12:31:19,520 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 12:31:19,520 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 12:31:19,520 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 12:31:19,520 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 12:31:19,521 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 12:31:19,521 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 12:31:19,521 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 12:31:19,521 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 12:31:19,521 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 12:31:19,521 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 12:31:19,521 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 12:31:19,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 12:31:19,522 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 12:31:19,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 12:31:19,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 12:31:19,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 12:31:19,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 12:31:19,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 12:31:19,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 12:31:19,522 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 12:31:19,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 12:31:19,523 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 12:31:19,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 12:31:19,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 12:31:19,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 12:31:19,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 12:31:19,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 12:31:19,523 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 12:31:19,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 12:31:19,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 12:31:19,524 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 12:31:19,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 12:31:19,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 12:31:19,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 12:31:19,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-31 12:31:19,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 12:31:19,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 12:31:19,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 12:31:19,755 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 12:31:19,755 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 12:31:19,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2023-03-31 12:31:20,945 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 12:31:21,220 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 12:31:21,221 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2023-03-31 12:31:21,234 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3749ba2/6080dbc285514562b9daeca3eac13163/FLAG741ed4632 [2023-03-31 12:31:21,247 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3749ba2/6080dbc285514562b9daeca3eac13163 [2023-03-31 12:31:21,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 12:31:21,254 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 12:31:21,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 12:31:21,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 12:31:21,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 12:31:21,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:31:21" (1/1) ... [2023-03-31 12:31:21,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c1bce5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:31:21, skipping insertion in model container [2023-03-31 12:31:21,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:31:21" (1/1) ... [2023-03-31 12:31:21,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 12:31:21,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 12:31:21,676 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2023-03-31 12:31:21,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 12:31:21,824 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 12:31:21,862 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2023-03-31 12:31:21,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 12:31:21,933 INFO L208 MainTranslator]: Completed translation [2023-03-31 12:31:21,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:31:21 WrapperNode [2023-03-31 12:31:21,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 12:31:21,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 12:31:21,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 12:31:21,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 12:31:21,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:31:21" (1/1) ... [2023-03-31 12:31:21,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:31:21" (1/1) ... [2023-03-31 12:31:21,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:31:21" (1/1) ... [2023-03-31 12:31:21,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:31:21" (1/1) ... [2023-03-31 12:31:22,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:31:21" (1/1) ... [2023-03-31 12:31:22,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:31:21" (1/1) ... [2023-03-31 12:31:22,022 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:31:21" (1/1) ... [2023-03-31 12:31:22,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:31:21" (1/1) ... [2023-03-31 12:31:22,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 12:31:22,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 12:31:22,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 12:31:22,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 12:31:22,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:31:21" (1/1) ... [2023-03-31 12:31:22,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 12:31:22,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 12:31:22,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 12:31:22,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 12:31:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 12:31:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 12:31:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-03-31 12:31:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 12:31:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 12:31:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2023-03-31 12:31:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2023-03-31 12:31:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2023-03-31 12:31:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2023-03-31 12:31:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2023-03-31 12:31:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-31 12:31:22,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-03-31 12:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2023-03-31 12:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2023-03-31 12:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2023-03-31 12:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2023-03-31 12:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init [2023-03-31 12:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal [2023-03-31 12:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_broadcast [2023-03-31 12:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait [2023-03-31 12:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assert [2023-03-31 12:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-03-31 12:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-03-31 12:31:22,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-03-31 12:31:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_take_write_lock [2023-03-31 12:31:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_take_read_lock [2023-03-31 12:31:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release_read_lock [2023-03-31 12:31:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2023-03-31 12:31:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2023-03-31 12:31:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main_thread [2023-03-31 12:31:22,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 12:31:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 12:31:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-03-31 12:31:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-03-31 12:31:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 12:31:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 12:31:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 12:31:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-31 12:31:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-31 12:31:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 12:31:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 12:31:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-03-31 12:31:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-03-31 12:31:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-03-31 12:31:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-03-31 12:31:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-03-31 12:31:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-03-31 12:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-03-31 12:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-03-31 12:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-03-31 12:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-03-31 12:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-03-31 12:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-03-31 12:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-03-31 12:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-03-31 12:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-03-31 12:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-03-31 12:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2023-03-31 12:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2023-03-31 12:31:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2023-03-31 12:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2023-03-31 12:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2023-03-31 12:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-03-31 12:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-03-31 12:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-03-31 12:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-03-31 12:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-03-31 12:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-03-31 12:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-03-31 12:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-03-31 12:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-03-31 12:31:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-03-31 12:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-03-31 12:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-03-31 12:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-03-31 12:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-03-31 12:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-03-31 12:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-03-31 12:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-03-31 12:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-03-31 12:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-03-31 12:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-03-31 12:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-03-31 12:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-03-31 12:31:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-03-31 12:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-03-31 12:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-03-31 12:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-03-31 12:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-03-31 12:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-03-31 12:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-03-31 12:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-03-31 12:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-03-31 12:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-03-31 12:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-03-31 12:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-03-31 12:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 12:31:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-31 12:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-03-31 12:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 12:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-03-31 12:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-03-31 12:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-03-31 12:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2023-03-31 12:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-03-31 12:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2023-03-31 12:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-03-31 12:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 12:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2023-03-31 12:31:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-03-31 12:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-03-31 12:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-03-31 12:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-03-31 12:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-03-31 12:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-03-31 12:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-03-31 12:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-03-31 12:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-03-31 12:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-03-31 12:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-03-31 12:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-03-31 12:31:22,106 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-03-31 12:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-03-31 12:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-03-31 12:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-03-31 12:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-03-31 12:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-03-31 12:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-03-31 12:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-03-31 12:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-03-31 12:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-03-31 12:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-03-31 12:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-03-31 12:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-03-31 12:31:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-03-31 12:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-03-31 12:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-03-31 12:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-03-31 12:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-03-31 12:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-03-31 12:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-03-31 12:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-03-31 12:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-03-31 12:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-03-31 12:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-03-31 12:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-03-31 12:31:22,108 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-03-31 12:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-31 12:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-03-31 12:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2023-03-31 12:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2023-03-31 12:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 12:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 12:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2023-03-31 12:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2023-03-31 12:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init [2023-03-31 12:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal [2023-03-31 12:31:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 12:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 12:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_broadcast [2023-03-31 12:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait [2023-03-31 12:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assert [2023-03-31 12:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-03-31 12:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-03-31 12:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-03-31 12:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_take_write_lock [2023-03-31 12:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_take_read_lock [2023-03-31 12:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release_read_lock [2023-03-31 12:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2023-03-31 12:31:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2023-03-31 12:31:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure main_thread [2023-03-31 12:31:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 12:31:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 12:31:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 12:31:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 12:31:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-03-31 12:31:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 12:31:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 12:31:22,396 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 12:31:22,398 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 12:31:22,749 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-03-31 12:31:22,749 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res.base, #res.offset := 0, 0; [2023-03-31 12:31:25,119 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 12:31:25,261 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 12:31:25,262 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 12:31:25,262 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2023-03-31 12:31:25,263 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-03-31 12:31:25,270 INFO L158 Benchmark]: Toolchain (without parser) took 4014.36ms. Allocated memory is still 293.6MB. Free memory was 244.9MB in the beginning and 141.8MB in the end (delta: 103.0MB). Peak memory consumption was 103.5MB. Max. memory is 8.0GB. [2023-03-31 12:31:25,271 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 203.4MB. Free memory is still 154.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 12:31:25,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 676.71ms. Allocated memory is still 293.6MB. Free memory was 244.9MB in the beginning and 218.2MB in the end (delta: 26.6MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-03-31 12:31:25,272 INFO L158 Benchmark]: Boogie Preprocessor took 96.59ms. Allocated memory is still 293.6MB. Free memory was 218.2MB in the beginning and 211.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-03-31 12:31:25,272 INFO L158 Benchmark]: RCFGBuilder took 3235.95ms. Allocated memory is still 293.6MB. Free memory was 211.9MB in the beginning and 141.8MB in the end (delta: 70.1MB). Peak memory consumption was 71.0MB. Max. memory is 8.0GB. [2023-03-31 12:31:25,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 203.4MB. Free memory is still 154.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 676.71ms. Allocated memory is still 293.6MB. Free memory was 244.9MB in the beginning and 218.2MB in the end (delta: 26.6MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 96.59ms. Allocated memory is still 293.6MB. Free memory was 218.2MB in the beginning and 211.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 3235.95ms. Allocated memory is still 293.6MB. Free memory was 211.9MB in the beginning and 141.8MB in the end (delta: 70.1MB). Peak memory consumption was 71.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-03-31 12:31:25,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...