/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 IntervalDomain -i ../sv-benchmarks/c/seq-pthread/cs_dekker.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 07:12:39,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 07:12:39,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 07:12:39,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 07:12:39,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 07:12:39,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 07:12:39,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 07:12:39,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 07:12:39,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 07:12:39,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 07:12:39,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 07:12:39,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 07:12:39,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 07:12:39,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 07:12:39,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 07:12:39,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 07:12:39,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 07:12:39,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 07:12:39,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 07:12:39,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 07:12:39,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 07:12:39,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 07:12:39,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 07:12:39,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 07:12:39,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 07:12:39,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 07:12:39,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 07:12:39,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 07:12:39,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 07:12:39,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 07:12:39,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 07:12:39,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 07:12:39,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 07:12:39,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 07:12:39,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 07:12:39,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 07:12:39,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 07:12:39,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 07:12:39,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 07:12:39,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 07:12:39,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 07:12:39,439 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 07:12:39,467 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 07:12:39,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 07:12:39,468 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 07:12:39,468 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 07:12:39,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 07:12:39,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 07:12:39,469 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 07:12:39,469 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 07:12:39,469 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 07:12:39,469 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 07:12:39,470 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 07:12:39,470 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 07:12:39,470 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 07:12:39,470 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 07:12:39,470 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 07:12:39,470 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 07:12:39,470 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 07:12:39,471 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 07:12:39,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 07:12:39,471 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 07:12:39,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 07:12:39,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 07:12:39,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 07:12:39,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 07:12:39,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 07:12:39,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 07:12:39,472 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 07:12:39,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 07:12:39,472 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 07:12:39,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 07:12:39,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 07:12:39,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 07:12:39,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 07:12:39,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 07:12:39,473 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 07:12:39,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 07:12:39,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 07:12:39,473 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 07:12:39,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 07:12:39,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 07:12:39,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 07:12:39,473 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 07:12:39,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 07:12:39,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 07:12:39,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 07:12:39,696 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 07:12:39,697 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 07:12:39,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_dekker.i [2023-03-31 07:12:40,813 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 07:12:41,025 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 07:12:41,025 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_dekker.i [2023-03-31 07:12:41,036 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/874f74fbf/138616916be645cebdd497b58cd292e3/FLAG79b3df19e [2023-03-31 07:12:41,047 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/874f74fbf/138616916be645cebdd497b58cd292e3 [2023-03-31 07:12:41,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 07:12:41,050 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 07:12:41,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 07:12:41,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 07:12:41,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 07:12:41,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 07:12:41" (1/1) ... [2023-03-31 07:12:41,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b099bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:41, skipping insertion in model container [2023-03-31 07:12:41,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 07:12:41" (1/1) ... [2023-03-31 07:12:41,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 07:12:41,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 07:12:41,340 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_dekker.i[23603,23616] [2023-03-31 07:12:41,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 07:12:41,460 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 07:12:41,478 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_dekker.i[23603,23616] [2023-03-31 07:12:41,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 07:12:41,541 INFO L208 MainTranslator]: Completed translation [2023-03-31 07:12:41,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:41 WrapperNode [2023-03-31 07:12:41,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 07:12:41,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 07:12:41,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 07:12:41,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 07:12:41,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:41" (1/1) ... [2023-03-31 07:12:41,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:41" (1/1) ... [2023-03-31 07:12:41,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:41" (1/1) ... [2023-03-31 07:12:41,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:41" (1/1) ... [2023-03-31 07:12:41,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:41" (1/1) ... [2023-03-31 07:12:41,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:41" (1/1) ... [2023-03-31 07:12:41,621 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:41" (1/1) ... [2023-03-31 07:12:41,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:41" (1/1) ... [2023-03-31 07:12:41,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 07:12:41,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 07:12:41,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 07:12:41,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 07:12:41,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:41" (1/1) ... [2023-03-31 07:12:41,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 07:12:41,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 07:12:41,682 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 07:12:41,688 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 07:12:41,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 07:12:41,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 07:12:41,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-03-31 07:12:41,714 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 07:12:41,714 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 07:12:41,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2023-03-31 07:12:41,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2023-03-31 07:12:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2023-03-31 07:12:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2023-03-31 07:12:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2023-03-31 07:12:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-31 07:12:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-03-31 07:12:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2023-03-31 07:12:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2023-03-31 07:12:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2023-03-31 07:12:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2023-03-31 07:12:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init [2023-03-31 07:12:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal [2023-03-31 07:12:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_broadcast [2023-03-31 07:12:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait [2023-03-31 07:12:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assert [2023-03-31 07:12:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-03-31 07:12:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-03-31 07:12:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-03-31 07:12:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-03-31 07:12:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-03-31 07:12:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure main_thread [2023-03-31 07:12:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 07:12:41,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 07:12:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-03-31 07:12:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-03-31 07:12:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 07:12:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 07:12:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 07:12:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-31 07:12:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-31 07:12:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 07:12:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 07:12:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-03-31 07:12:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-03-31 07:12:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-03-31 07:12:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-03-31 07:12:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-03-31 07:12:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-03-31 07:12:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-03-31 07:12:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-03-31 07:12:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-03-31 07:12:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-03-31 07:12:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-03-31 07:12:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-03-31 07:12:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-03-31 07:12:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-03-31 07:12:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-03-31 07:12:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-03-31 07:12:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2023-03-31 07:12:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2023-03-31 07:12:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2023-03-31 07:12:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2023-03-31 07:12:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2023-03-31 07:12:41,722 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-03-31 07:12:41,722 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-03-31 07:12:41,722 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-03-31 07:12:41,722 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-03-31 07:12:41,722 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-03-31 07:12:41,722 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-03-31 07:12:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-03-31 07:12:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-03-31 07:12:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-03-31 07:12:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-03-31 07:12:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-03-31 07:12:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-03-31 07:12:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-03-31 07:12:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-03-31 07:12:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-03-31 07:12:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-03-31 07:12:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-03-31 07:12:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-03-31 07:12:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-03-31 07:12:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-03-31 07:12:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-03-31 07:12:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-03-31 07:12:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-03-31 07:12:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-03-31 07:12:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-03-31 07:12:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-03-31 07:12:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-03-31 07:12:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-03-31 07:12:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-03-31 07:12:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-03-31 07:12:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-03-31 07:12:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-03-31 07:12:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-03-31 07:12:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-03-31 07:12:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 07:12:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-31 07:12:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-03-31 07:12:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 07:12:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-03-31 07:12:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-03-31 07:12:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-03-31 07:12:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2023-03-31 07:12:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-03-31 07:12:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2023-03-31 07:12:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-03-31 07:12:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 07:12:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2023-03-31 07:12:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-03-31 07:12:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-03-31 07:12:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-03-31 07:12:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-03-31 07:12:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-03-31 07:12:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-03-31 07:12:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-03-31 07:12:41,727 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-03-31 07:12:41,727 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-03-31 07:12:41,727 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-03-31 07:12:41,727 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-03-31 07:12:41,727 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-03-31 07:12:41,727 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-03-31 07:12:41,727 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-03-31 07:12:41,728 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-03-31 07:12:41,728 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-03-31 07:12:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-03-31 07:12:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-03-31 07:12:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-03-31 07:12:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-03-31 07:12:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-03-31 07:12:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-03-31 07:12:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-03-31 07:12:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-03-31 07:12:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-03-31 07:12:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-03-31 07:12:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-03-31 07:12:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-03-31 07:12:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-03-31 07:12:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-03-31 07:12:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-03-31 07:12:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-03-31 07:12:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-03-31 07:12:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-03-31 07:12:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-03-31 07:12:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-03-31 07:12:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-03-31 07:12:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-03-31 07:12:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-31 07:12:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-03-31 07:12:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2023-03-31 07:12:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2023-03-31 07:12:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 07:12:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 07:12:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2023-03-31 07:12:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2023-03-31 07:12:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init [2023-03-31 07:12:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal [2023-03-31 07:12:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 07:12:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 07:12:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_broadcast [2023-03-31 07:12:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait [2023-03-31 07:12:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assert [2023-03-31 07:12:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-03-31 07:12:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-03-31 07:12:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-03-31 07:12:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-03-31 07:12:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-03-31 07:12:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure main_thread [2023-03-31 07:12:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 07:12:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 07:12:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 07:12:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 07:12:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-03-31 07:12:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 07:12:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-31 07:12:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 07:12:42,014 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 07:12:42,016 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 07:12:42,321 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: 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 07:12:42,321 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: 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 07:12:42,404 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: 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 07:12:42,408 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: 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 07:12:44,836 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 07:12:44,931 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 07:12:44,931 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-03-31 07:12:44,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 07:12:44 BoogieIcfgContainer [2023-03-31 07:12:44,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 07:12:44,934 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 07:12:44,934 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 07:12:44,934 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 07:12:44,935 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 07:12:44" (1/1) ... [2023-03-31 07:12:44,935 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=IntervalDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=POLY_PAC ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-31 07:12:44,951 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 07:12:44,952 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 07:12:44,956 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 07:12:44,960 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 07:12:44,961 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 07:12:45,900 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 302 for LOIs [2023-03-31 07:12:53,295 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 210 for LOIs [2023-03-31 07:12:53,369 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 07:12:53,382 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 07:12:53,383 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 07:12:53,383 INFO L158 Benchmark]: Toolchain (without parser) took 12332.96ms. Allocated memory was 308.3MB in the beginning and 877.7MB in the end (delta: 569.4MB). Free memory was 257.3MB in the beginning and 360.5MB in the end (delta: -103.2MB). Peak memory consumption was 466.6MB. Max. memory is 8.0GB. [2023-03-31 07:12:53,384 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 186.6MB. Free memory is still 132.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 07:12:53,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.03ms. Allocated memory is still 308.3MB. Free memory was 257.3MB in the beginning and 230.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-03-31 07:12:53,384 INFO L158 Benchmark]: Boogie Preprocessor took 89.60ms. Allocated memory is still 308.3MB. Free memory was 230.0MB in the beginning and 223.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-03-31 07:12:53,385 INFO L158 Benchmark]: RCFGBuilder took 3300.42ms. Allocated memory is still 308.3MB. Free memory was 223.8MB in the beginning and 219.7MB in the end (delta: 4.1MB). Peak memory consumption was 75.5MB. Max. memory is 8.0GB. [2023-03-31 07:12:53,385 INFO L158 Benchmark]: Sifa took 8448.62ms. Allocated memory was 308.3MB in the beginning and 877.7MB in the end (delta: 569.4MB). Free memory was 219.7MB in the beginning and 360.5MB in the end (delta: -140.9MB). Peak memory consumption was 428.0MB. Max. memory is 8.0GB. [2023-03-31 07:12:53,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 186.6MB. Free memory is still 132.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 491.03ms. Allocated memory is still 308.3MB. Free memory was 257.3MB in the beginning and 230.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 89.60ms. Allocated memory is still 308.3MB. Free memory was 230.0MB in the beginning and 223.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 3300.42ms. Allocated memory is still 308.3MB. Free memory was 223.8MB in the beginning and 219.7MB in the end (delta: 4.1MB). Peak memory consumption was 75.5MB. Max. memory is 8.0GB. * Sifa took 8448.62ms. Allocated memory was 308.3MB in the beginning and 877.7MB in the end (delta: 569.4MB). Free memory was 219.7MB in the beginning and 360.5MB in the end (delta: -140.9MB). Peak memory consumption was 428.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 8.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 15, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 83, TOOLS_POST_TIME: 3.2s, TOOLS_POST_CALL_APPLICATIONS: 40, TOOLS_POST_CALL_TIME: 1.5s, TOOLS_POST_RETURN_APPLICATIONS: 38, TOOLS_POST_RETURN_TIME: 1.3s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 160, TOOLS_QUANTIFIERELIM_TIME: 5.9s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.4s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 142, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 15, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 15, DOMAIN_ISBOTTOM_TIME: 2.2s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 1.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 38, CALL_SUMMARIZER_CACHE_MISSES: 8, CALL_SUMMARIZER_OVERALL_TIME: 1.1s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 1.1s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 317, DAG_COMPRESSION_RETAINED_NODES: 144 - UnprovableResult [Line: 542]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Over-approximation of reachable states at this location is 184#(and (= |~#turn~0.base| 9) (= |~#turn~0.offset| 0) (= (mod ~__CS_error~0 256) 1) (= ~__THREAD_RUNNING~0 1) (= 2 ~__CS_ret_ERROR~0) (= |~#x~0.base| 10) (= |~#flag1~0.offset| 0) (= |~#__CS_thread_lockedon~0.base| 6) (= |~#__CS_thread_born_round~0.base| 4) (= ~__CS_ret_PREEMPTED~0 1) (exists ((|v_main_~#__CS_cp_turn~0.base_BEFORE_CALL_24| Int)) (and (= (select (select |#memory_int| |v_main_~#__CS_cp_turn~0.base_BEFORE_CALL_24|) 8) (select (select |#memory_int| 9) 4)) (<= 0 |v_main_~#__CS_cp_turn~0.base_BEFORE_CALL_24|) (= (select (select |#memory_int| |v_main_~#__CS_cp_turn~0.base_BEFORE_CALL_24|) 4) (select (select |#memory_int| 9) 0)))) (= 3 |~#__CS_thread_allocated~0.base|) (= |~#__CS_thread_born_round~0.offset| 0) (exists ((|v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_24| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_24|) 20) (select (select |#memory_$Pointer$.offset| 6) 8)) (= (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_24|) 16) (select (select |#memory_$Pointer$.offset| 6) 4)) (= (select (select |#memory_$Pointer$.base| 6) 16) (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_24|) 28)) (= (select (select |#memory_$Pointer$.offset| 6) 0) (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_24|) 12)) (= (select (select |#memory_$Pointer$.base| 6) 12) (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_24|) 24)) (= (select (select |#memory_$Pointer$.base| 6) 4) (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_24|) 16)) (= (select (select |#memory_$Pointer$.offset| 6) 12) (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_24|) 24)) (= (select (select |#memory_$Pointer$.offset| 6) 20) (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_24|) 32)) (= (select (select |#memory_$Pointer$.base| 6) 20) (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_24|) 32)) (= (select (select |#memory_$Pointer$.base| 6) 8) (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_24|) 20)) (= (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_24|) 28) (select (select |#memory_$Pointer$.offset| 6) 16)) (= (select (select |#memory_$Pointer$.base| 6) 0) (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_24|) 12)) (<= 0 |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_24|))) (= ~__THREAD_UNUSED~0 0) (= ~__CS_ret_FINISHED~0 4) (= |~#__CS_thread_status~0.offset| 0) (= 0 |~#__CS_thread_allocated~0.offset|) (= |~#flag2~0.base| 8) (exists ((|v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_24| Int)) (and (<= 0 |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_24|) (= (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_24|) 5) 256) (mod (select (select |#memory_int| 5) 2) 256)) (= (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_24|) 6) 256) (mod (select (select |#memory_int| 5) 3) 256)) (= (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_24|) 8) 256) (mod (select (select |#memory_int| 5) 5) 256)) (= (mod (select (select |#memory_int| 5) 0) 256) (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_24|) 3) 256)) (= (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_24|) 7) 256) (mod (select (select |#memory_int| 5) 4) 256)) (= (mod (select (select |#memory_int| 5) 1) 256) (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_24|) 4) 256)))) (= |~#__CS_thread_lockedon~0.offset| 0) (= |__VERIFIER_assert_#in~cond| 0) (exists ((|v_main_~#__CS_cp_x~0.base_BEFORE_CALL_24| Int)) (and (<= 0 |v_main_~#__CS_cp_x~0.base_BEFORE_CALL_24|) (= (select (select |#memory_int| |v_main_~#__CS_cp_x~0.base_BEFORE_CALL_24|) 8) (select (select |#memory_int| 10) 4)) (= (select (select |#memory_int| 10) 0) (select (select |#memory_int| |v_main_~#__CS_cp_x~0.base_BEFORE_CALL_24|) 4)))) (= __VERIFIER_assert_~cond 0) (= |~#x~0.offset| 0) (= 7 |~#flag1~0.base|) (= 2 ~__THREAD_FINISHED~0) (exists ((|v_main_~#__CS_cp_flag2~0.base_BEFORE_CALL_24| Int)) (and (= (select (select |#memory_int| |v_main_~#__CS_cp_flag2~0.base_BEFORE_CALL_24|) 4) (select (select |#memory_int| 8) 0)) (<= 0 |v_main_~#__CS_cp_flag2~0.base_BEFORE_CALL_24|) (= (select (select |#memory_int| 8) 4) (select (select |#memory_int| |v_main_~#__CS_cp_flag2~0.base_BEFORE_CALL_24|) 8)))) (exists ((|v_main_~#__CS_cp_flag1~0.base_BEFORE_CALL_24| Int)) (and (= (select (select |#memory_int| |v_main_~#__CS_cp_flag1~0.base_BEFORE_CALL_24|) 8) (select (select |#memory_int| 7) 4)) (<= 0 |v_main_~#__CS_cp_flag1~0.base_BEFORE_CALL_24|) (= (select (select |#memory_int| |v_main_~#__CS_cp_flag1~0.base_BEFORE_CALL_24|) 4) (select (select |#memory_int| 7) 0)))) (= |#NULL.offset| 0) (= |~#flag2~0.offset| 0) (<= 0 |#StackHeapBarrier|) (= |~#__CS_thread_status~0.base| 5) (= |#NULL.base| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-31 07:12:53,409 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...