/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/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/seq-pthread/cs_queue-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 03:34:31,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 03:34:31,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 03:34:31,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 03:34:31,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 03:34:31,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 03:34:31,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 03:34:31,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 03:34:31,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 03:34:31,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 03:34:31,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 03:34:31,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 03:34:31,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 03:34:31,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 03:34:31,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 03:34:31,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 03:34:31,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 03:34:31,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 03:34:31,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 03:34:31,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 03:34:31,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 03:34:31,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 03:34:31,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 03:34:31,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 03:34:31,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 03:34:31,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 03:34:31,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 03:34:31,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 03:34:31,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 03:34:31,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 03:34:31,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 03:34:31,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 03:34:31,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 03:34:31,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 03:34:31,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 03:34:31,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 03:34:31,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 03:34:31,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 03:34:31,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 03:34:31,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 03:34:31,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 03:34:31,311 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 [2023-04-03 03:34:31,343 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 03:34:31,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 03:34:31,343 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 03:34:31,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 03:34:31,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 03:34:31,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 03:34:31,345 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 03:34:31,345 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 03:34:31,345 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 03:34:31,345 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 03:34:31,346 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 03:34:31,346 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 03:34:31,346 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 03:34:31,346 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 03:34:31,346 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 03:34:31,346 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 03:34:31,346 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 03:34:31,347 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 03:34:31,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 03:34:31,347 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 03:34:31,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 03:34:31,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 03:34:31,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 03:34:31,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 03:34:31,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 03:34:31,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 03:34:31,348 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 03:34:31,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 03:34:31,349 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 03:34:31,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 03:34:31,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 03:34:31,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 03:34:31,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 03:34:31,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 03:34:31,349 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 03:34:31,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 03:34:31,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 03:34:31,350 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 03:34:31,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 03:34:31,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 03:34:31,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 03:34:31,350 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 03:34:31,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 03:34:31,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 03:34:31,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 03:34:31,604 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 03:34:31,604 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 03:34:31,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_queue-1.i [2023-04-03 03:34:32,777 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 03:34:33,074 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 03:34:33,075 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_queue-1.i [2023-04-03 03:34:33,101 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b4086015/c857ed258088421ba4b4ea939b02b31b/FLAG2ecab2f21 [2023-04-03 03:34:33,114 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b4086015/c857ed258088421ba4b4ea939b02b31b [2023-04-03 03:34:33,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 03:34:33,118 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 03:34:33,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 03:34:33,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 03:34:33,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 03:34:33,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 03:34:33" (1/1) ... [2023-04-03 03:34:33,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14174c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:34:33, skipping insertion in model container [2023-04-03 03:34:33,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 03:34:33" (1/1) ... [2023-04-03 03:34:33,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 03:34:33,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 03:34:33,623 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_queue-1.i[34744,34757] [2023-04-03 03:34:33,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 03:34:33,810 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 03:34:33,834 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_queue-1.i[34744,34757] [2023-04-03 03:34:33,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 03:34:34,021 INFO L208 MainTranslator]: Completed translation [2023-04-03 03:34:34,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:34:34 WrapperNode [2023-04-03 03:34:34,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 03:34:34,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 03:34:34,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 03:34:34,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 03:34:34,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:34:34" (1/1) ... [2023-04-03 03:34:34,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:34:34" (1/1) ... [2023-04-03 03:34:34,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:34:34" (1/1) ... [2023-04-03 03:34:34,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:34:34" (1/1) ... [2023-04-03 03:34:34,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:34:34" (1/1) ... [2023-04-03 03:34:34,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:34:34" (1/1) ... [2023-04-03 03:34:34,160 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:34:34" (1/1) ... [2023-04-03 03:34:34,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:34:34" (1/1) ... [2023-04-03 03:34:34,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 03:34:34,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 03:34:34,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 03:34:34,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 03:34:34,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:34:34" (1/1) ... [2023-04-03 03:34:34,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 03:34:34,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 03:34:34,226 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) [2023-04-03 03:34:34,247 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 [2023-04-03 03:34:34,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 03:34:34,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 03:34:34,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-04-03 03:34:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 03:34:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 03:34:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2023-04-03 03:34:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2023-04-03 03:34:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2023-04-03 03:34:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2023-04-03 03:34:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2023-04-03 03:34:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-04-03 03:34:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-04-03 03:34:34,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2023-04-03 03:34:34,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2023-04-03 03:34:34,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2023-04-03 03:34:34,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2023-04-03 03:34:34,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init [2023-04-03 03:34:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal [2023-04-03 03:34:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_broadcast [2023-04-03 03:34:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait [2023-04-03 03:34:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assert [2023-04-03 03:34:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-04-03 03:34:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-04-03 03:34:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-04-03 03:34:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2023-04-03 03:34:34,268 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-04-03 03:34:34,268 INFO L138 BoogieDeclarations]: Found implementation of procedure full [2023-04-03 03:34:34,268 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-04-03 03:34:34,268 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue [2023-04-03 03:34:34,269 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-04-03 03:34:34,269 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-04-03 03:34:34,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main_thread [2023-04-03 03:34:34,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 03:34:34,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 03:34:34,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 03:34:34,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 03:34:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-03 03:34:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 03:34:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 03:34:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 03:34:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 03:34:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 03:34:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 03:34:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 03:34:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2023-04-03 03:34:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2023-04-03 03:34:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2023-04-03 03:34:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2023-04-03 03:34:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2023-04-03 03:34:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2023-04-03 03:34:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2023-04-03 03:34:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2023-04-03 03:34:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2023-04-03 03:34:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2023-04-03 03:34:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2023-04-03 03:34:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2023-04-03 03:34:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2023-04-03 03:34:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2023-04-03 03:34:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2023-04-03 03:34:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2023-04-03 03:34:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2023-04-03 03:34:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2023-04-03 03:34:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2023-04-03 03:34:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2023-04-03 03:34:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2023-04-03 03:34:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2023-04-03 03:34:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2023-04-03 03:34:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2023-04-03 03:34:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2023-04-03 03:34:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-04-03 03:34:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-04-03 03:34:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2023-04-03 03:34:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-04-03 03:34:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2023-04-03 03:34:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2023-04-03 03:34:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2023-04-03 03:34:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2023-04-03 03:34:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2023-04-03 03:34:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2023-04-03 03:34:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2023-04-03 03:34:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2023-04-03 03:34:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-04-03 03:34:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 03:34:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-03 03:34:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2023-04-03 03:34:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2023-04-03 03:34:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2023-04-03 03:34:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-03 03:34:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-04-03 03:34:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2023-04-03 03:34:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2023-04-03 03:34:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2023-04-03 03:34:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2023-04-03 03:34:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2023-04-03 03:34:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2023-04-03 03:34:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2023-04-03 03:34:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2023-04-03 03:34:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-04-03 03:34:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2023-04-03 03:34:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2023-04-03 03:34:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2023-04-03 03:34:34,279 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2023-04-03 03:34:34,279 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2023-04-03 03:34:34,279 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2023-04-03 03:34:34,279 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2023-04-03 03:34:34,279 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-04-03 03:34:34,279 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2023-04-03 03:34:34,279 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2023-04-03 03:34:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2023-04-03 03:34:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2023-04-03 03:34:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2023-04-03 03:34:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-04-03 03:34:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2023-04-03 03:34:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2023-04-03 03:34:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2023-04-03 03:34:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-04-03 03:34:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 03:34:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2023-04-03 03:34:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2023-04-03 03:34:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-04-03 03:34:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2023-04-03 03:34:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2023-04-03 03:34:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2023-04-03 03:34:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2023-04-03 03:34:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2023-04-03 03:34:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2023-04-03 03:34:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2023-04-03 03:34:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2023-04-03 03:34:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2023-04-03 03:34:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2023-04-03 03:34:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2023-04-03 03:34:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-04-03 03:34:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2023-04-03 03:34:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2023-04-03 03:34:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2023-04-03 03:34:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2023-04-03 03:34:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2023-04-03 03:34:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2023-04-03 03:34:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2023-04-03 03:34:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2023-04-03 03:34:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2023-04-03 03:34:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2023-04-03 03:34:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2023-04-03 03:34:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2023-04-03 03:34:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-04-03 03:34:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-04-03 03:34:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-04-03 03:34:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-04-03 03:34:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-04-03 03:34:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-04-03 03:34:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-04-03 03:34:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-04-03 03:34:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-04-03 03:34:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-04-03 03:34:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-04-03 03:34:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-04-03 03:34:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-04-03 03:34:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-04-03 03:34:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-04-03 03:34:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-04-03 03:34:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2023-04-03 03:34:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2023-04-03 03:34:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2023-04-03 03:34:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2023-04-03 03:34:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2023-04-03 03:34:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-04-03 03:34:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-04-03 03:34:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-04-03 03:34:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-04-03 03:34:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-04-03 03:34:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-04-03 03:34:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-04-03 03:34:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-04-03 03:34:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-04-03 03:34:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-04-03 03:34:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-04-03 03:34:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-04-03 03:34:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-04-03 03:34:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-04-03 03:34:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-04-03 03:34:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-04-03 03:34:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-04-03 03:34:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-04-03 03:34:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-04-03 03:34:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-04-03 03:34:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-04-03 03:34:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-04-03 03:34:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-04-03 03:34:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-04-03 03:34:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-04-03 03:34:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-04-03 03:34:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-04-03 03:34:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-04-03 03:34:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-04-03 03:34:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-04-03 03:34:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-04-03 03:34:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-04-03 03:34:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-04-03 03:34:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-04-03 03:34:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 03:34:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 03:34:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-04-03 03:34:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 03:34:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-04-03 03:34:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-04-03 03:34:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-04-03 03:34:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2023-04-03 03:34:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-04-03 03:34:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2023-04-03 03:34:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-04-03 03:34:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-03 03:34:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2023-04-03 03:34:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-04-03 03:34:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-04-03 03:34:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-04-03 03:34:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-04-03 03:34:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-04-03 03:34:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-04-03 03:34:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-04-03 03:34:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-04-03 03:34:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-04-03 03:34:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-04-03 03:34:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-04-03 03:34:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-04-03 03:34:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-04-03 03:34:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-04-03 03:34:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-04-03 03:34:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-04-03 03:34:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-04-03 03:34:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-04-03 03:34:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-04-03 03:34:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-04-03 03:34:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-04-03 03:34:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-04-03 03:34:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-04-03 03:34:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-04-03 03:34:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-04-03 03:34:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-04-03 03:34:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-04-03 03:34:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-04-03 03:34:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-04-03 03:34:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-04-03 03:34:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-04-03 03:34:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-04-03 03:34:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-04-03 03:34:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-04-03 03:34:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-04-03 03:34:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-04-03 03:34:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-04-03 03:34:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-04-03 03:34:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-04-03 03:34:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-04-03 03:34:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2023-04-03 03:34:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2023-04-03 03:34:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 03:34:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 03:34:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2023-04-03 03:34:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2023-04-03 03:34:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init [2023-04-03 03:34:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal [2023-04-03 03:34:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 03:34:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 03:34:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_broadcast [2023-04-03 03:34:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait [2023-04-03 03:34:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assert [2023-04-03 03:34:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-04-03 03:34:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-04-03 03:34:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-04-03 03:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure init [2023-04-03 03:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-04-03 03:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure full [2023-04-03 03:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-04-03 03:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue [2023-04-03 03:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-04-03 03:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-04-03 03:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure main_thread [2023-04-03 03:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 03:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 03:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 03:34:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 03:34:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-04-03 03:34:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 03:34:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 03:34:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 03:34:34,733 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 03:34:34,738 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 03:34:34,998 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)); [2023-04-03 03:34:34,998 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: 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;call ULTIMATE.dealloc(~#id1~0.base, ~#id1~0.offset);havoc ~#id1~0.base, ~#id1~0.offset;call ULTIMATE.dealloc(~#id2~0.base, ~#id2~0.offset);havoc ~#id2~0.base, ~#id2~0.offset; [2023-04-03 03:34:34,998 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-03 03:34:34,998 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: 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;call ULTIMATE.dealloc(~#id1~0.base, ~#id1~0.offset);havoc ~#id1~0.base, ~#id1~0.offset;call ULTIMATE.dealloc(~#id2~0.base, ~#id2~0.offset);havoc ~#id2~0.base, ~#id2~0.offset; [2023-04-03 03:34:34,998 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L1129: SUMMARY for call __CS_cs(); srcloc: null [2023-04-03 03:34:34,998 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L1129-1: 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;call ULTIMATE.dealloc(~#id1~0.base, ~#id1~0.offset);havoc ~#id1~0.base, ~#id1~0.offset;call ULTIMATE.dealloc(~#id2~0.base, ~#id2~0.offset);havoc ~#id2~0.base, ~#id2~0.offset; [2023-04-03 03:34:34,998 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L1129-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-03 03:34:35,119 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-03 03:34:35,119 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: 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; [2023-04-03 03:34:35,243 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L1093: SUMMARY for call __CS_cs(); srcloc: null [2023-04-03 03:34:35,244 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L1093-1: 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; [2023-04-03 03:34:35,244 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L1093-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-03 03:34:35,248 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-03 03:34:35,249 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: 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; [2023-04-03 03:34:35,249 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-03 03:34:35,249 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: 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; [2023-04-03 03:34:35,249 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-03 03:34:35,249 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: 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; [2023-04-03 03:34:35,341 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-03 03:34:35,341 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-03 03:34:35,341 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res := 0; [2023-04-03 03:34:35,341 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res := 0; [2023-04-03 03:34:35,371 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-03 03:34:35,372 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-03 03:34:35,372 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res := 0; [2023-04-03 03:34:35,372 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res := 0; [2023-04-03 03:34:35,432 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-03 03:34:35,432 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res := 0; [2023-04-03 03:34:35,515 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res := 0; [2023-04-03 03:34:35,515 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-03 03:34:39,384 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 03:34:39,631 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 03:34:39,631 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-04-03 03:34:39,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 03:34:39 BoogieIcfgContainer [2023-04-03 03:34:39,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 03:34:39,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 03:34:39,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 03:34:39,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 03:34:39,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 03:34:33" (1/3) ... [2023-04-03 03:34:39,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718a9d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 03:34:39, skipping insertion in model container [2023-04-03 03:34:39,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:34:34" (2/3) ... [2023-04-03 03:34:39,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718a9d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 03:34:39, skipping insertion in model container [2023-04-03 03:34:39,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 03:34:39" (3/3) ... [2023-04-03 03:34:39,643 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_queue-1.i [2023-04-03 03:34:39,657 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 03:34:39,658 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 03:34:39,719 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 03:34:39,726 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4d14618d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 03:34:39,726 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 03:34:39,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 360 states, 195 states have (on average 1.3846153846153846) internal successors, (270), 197 states have internal predecessors, (270), 144 states have call successors, (144), 18 states have call predecessors, (144), 18 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2023-04-03 03:34:39,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-04-03 03:34:39,767 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:34:39,768 INFO L195 NwaCegarLoop]: trace histogram [52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:34:39,769 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:34:39,773 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:34:39,773 INFO L85 PathProgramCache]: Analyzing trace with hash 352685677, now seen corresponding path program 1 times [2023-04-03 03:34:39,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:34:39,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631911945] [2023-04-03 03:34:39,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:34:39,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms