/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_fib_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 07:12:48,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 07:12:48,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 07:12:48,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 07:12:48,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 07:12:48,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 07:12:48,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 07:12:48,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 07:12:48,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 07:12:48,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 07:12:48,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 07:12:48,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 07:12:48,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 07:12:48,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 07:12:48,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 07:12:48,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 07:12:48,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 07:12:48,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 07:12:48,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 07:12:48,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 07:12:48,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 07:12:48,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 07:12:48,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 07:12:48,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 07:12:48,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 07:12:48,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 07:12:48,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 07:12:48,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 07:12:48,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 07:12:48,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 07:12:48,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 07:12:48,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 07:12:48,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 07:12:48,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 07:12:48,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 07:12:48,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 07:12:48,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 07:12:48,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 07:12:48,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 07:12:48,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 07:12:48,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 07:12:48,327 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 07:12:48,348 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 07:12:48,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 07:12:48,348 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 07:12:48,348 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 07:12:48,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 07:12:48,349 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 07:12:48,349 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 07:12:48,349 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 07:12:48,349 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 07:12:48,349 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 07:12:48,350 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 07:12:48,350 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 07:12:48,350 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 07:12:48,350 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 07:12:48,350 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 07:12:48,350 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 07:12:48,351 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 07:12:48,351 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 07:12:48,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 07:12:48,351 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 07:12:48,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 07:12:48,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 07:12:48,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 07:12:48,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 07:12:48,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 07:12:48,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 07:12:48,352 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 07:12:48,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 07:12:48,352 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 07:12:48,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 07:12:48,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 07:12:48,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 07:12:48,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 07:12:48,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 07:12:48,353 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 07:12:48,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 07:12:48,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 07:12:48,353 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 07:12:48,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 07:12:48,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 07:12:48,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 07:12:48,353 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 07:12:48,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 07:12:48,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 07:12:48,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 07:12:48,540 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 07:12:48,541 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 07:12:48,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i [2023-03-31 07:12:49,547 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 07:12:49,783 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 07:12:49,783 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i [2023-03-31 07:12:49,794 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1caba734d/4cbe74eadde346889c141f989be591a4/FLAG4cbcf6198 [2023-03-31 07:12:49,807 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1caba734d/4cbe74eadde346889c141f989be591a4 [2023-03-31 07:12:49,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 07:12:49,809 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 07:12:49,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 07:12:49,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 07:12:49,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 07:12:49,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 07:12:49" (1/1) ... [2023-03-31 07:12:49,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c290260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:49, skipping insertion in model container [2023-03-31 07:12:49,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 07:12:49" (1/1) ... [2023-03-31 07:12:49,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 07:12:49,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 07:12:50,113 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_fib_longer-2.i[23464,23477] [2023-03-31 07:12:50,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 07:12:50,238 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 07:12:50,263 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_fib_longer-2.i[23464,23477] [2023-03-31 07:12:50,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 07:12:50,357 INFO L208 MainTranslator]: Completed translation [2023-03-31 07:12:50,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:50 WrapperNode [2023-03-31 07:12:50,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 07:12:50,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 07:12:50,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 07:12:50,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 07:12:50,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:50" (1/1) ... [2023-03-31 07:12:50,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:50" (1/1) ... [2023-03-31 07:12:50,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:50" (1/1) ... [2023-03-31 07:12:50,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:50" (1/1) ... [2023-03-31 07:12:50,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:50" (1/1) ... [2023-03-31 07:12:50,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:50" (1/1) ... [2023-03-31 07:12:50,449 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:50" (1/1) ... [2023-03-31 07:12:50,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:50" (1/1) ... [2023-03-31 07:12:50,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 07:12:50,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 07:12:50,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 07:12:50,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 07:12:50,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:12:50" (1/1) ... [2023-03-31 07:12:50,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 07:12:50,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 07:12:50,512 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 07:12:50,560 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 07:12:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 07:12:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 07:12:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-03-31 07:12:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 07:12:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 07:12:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2023-03-31 07:12:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2023-03-31 07:12:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2023-03-31 07:12:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2023-03-31 07:12:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2023-03-31 07:12:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-31 07:12:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-03-31 07:12:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2023-03-31 07:12:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2023-03-31 07:12:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2023-03-31 07:12:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2023-03-31 07:12:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init [2023-03-31 07:12:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal [2023-03-31 07:12:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_broadcast [2023-03-31 07:12:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait [2023-03-31 07:12:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assert [2023-03-31 07:12:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-03-31 07:12:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-03-31 07:12:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-03-31 07:12:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-03-31 07:12:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-03-31 07:12:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure main_thread [2023-03-31 07:12:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 07:12:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 07:12:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 07:12:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 07:12:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-31 07:12:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-31 07:12:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 07:12:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 07:12:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-03-31 07:12:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-03-31 07:12:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-03-31 07:12:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-03-31 07:12:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-03-31 07:12:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-03-31 07:12:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-03-31 07:12:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-03-31 07:12:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-03-31 07:12:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-03-31 07:12:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-03-31 07:12:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-03-31 07:12:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-03-31 07:12:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-03-31 07:12:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-03-31 07:12:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-03-31 07:12:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2023-03-31 07:12:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2023-03-31 07:12:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2023-03-31 07:12:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2023-03-31 07:12:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2023-03-31 07:12:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-03-31 07:12:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-03-31 07:12:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 07:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-03-31 07:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-03-31 07:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-03-31 07:12:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-03-31 07:12:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-03-31 07:12:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-03-31 07:12:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-03-31 07:12:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-03-31 07:12:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-03-31 07:12:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-03-31 07:12:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-03-31 07:12:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-03-31 07:12:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-03-31 07:12:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-03-31 07:12:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-03-31 07:12:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-03-31 07:12:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-03-31 07:12:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-31 07:12:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_broadcast [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assert [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-03-31 07:12:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-03-31 07:12:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-03-31 07:12:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure main_thread [2023-03-31 07:12:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 07:12:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 07:12:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 07:12:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-03-31 07:12:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 07:12:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 07:12:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 07:12:50,823 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 07:12:50,838 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 07:12:50,969 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L733: SUMMARY for call __CS_cs(); srcloc: null [2023-03-31 07:12:50,970 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L733-1: 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; [2023-03-31 07:12:50,970 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L733-1: 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 07:12:50,970 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-03-31 07:12:50,970 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res.base, #res.offset := 0, 0;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; [2023-03-31 07:12:50,970 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)); [2023-03-31 07:12:50,970 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.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; [2023-03-31 07:12:54,184 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 07:12:54,293 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 07:12:54,293 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-03-31 07:12:54,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 07:12:54 BoogieIcfgContainer [2023-03-31 07:12:54,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 07:12:54,296 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 07:12:54,296 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 07:12:54,296 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 07:12:54,297 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 07:12:54" (1/1) ... [2023-03-31 07:12:54,297 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 07:12:54,312 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 07:12:54,312 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 07:12:54,316 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 07:12:54,319 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 07:12:54,320 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 07:12:54,901 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 231 for LOIs [2023-03-31 07:13:07,253 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 357 for LOIs [2023-03-31 07:13:07,411 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 07:13:07,433 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 07:13:07,433 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 07:13:07,435 INFO L158 Benchmark]: Toolchain (without parser) took 17624.44ms. Allocated memory was 167.8MB in the beginning and 920.6MB in the end (delta: 752.9MB). Free memory was 115.1MB in the beginning and 759.4MB in the end (delta: -644.4MB). Peak memory consumption was 109.5MB. Max. memory is 8.0GB. [2023-03-31 07:13:07,435 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 167.8MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 07:13:07,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.43ms. Allocated memory is still 167.8MB. Free memory was 115.1MB in the beginning and 85.3MB in the end (delta: 29.8MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2023-03-31 07:13:07,439 INFO L158 Benchmark]: Boogie Preprocessor took 102.68ms. Allocated memory is still 167.8MB. Free memory was 85.3MB in the beginning and 132.2MB in the end (delta: -46.9MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. [2023-03-31 07:13:07,440 INFO L158 Benchmark]: RCFGBuilder took 3833.53ms. Allocated memory was 167.8MB in the beginning and 246.4MB in the end (delta: 78.6MB). Free memory was 132.2MB in the beginning and 149.8MB in the end (delta: -17.6MB). Peak memory consumption was 144.9MB. Max. memory is 8.0GB. [2023-03-31 07:13:07,440 INFO L158 Benchmark]: Sifa took 13137.32ms. Allocated memory was 246.4MB in the beginning and 920.6MB in the end (delta: 674.2MB). Free memory was 149.8MB in the beginning and 759.4MB in the end (delta: -609.6MB). Peak memory consumption was 64.1MB. Max. memory is 8.0GB. [2023-03-31 07:13:07,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 167.8MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 547.43ms. Allocated memory is still 167.8MB. Free memory was 115.1MB in the beginning and 85.3MB in the end (delta: 29.8MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 102.68ms. Allocated memory is still 167.8MB. Free memory was 85.3MB in the beginning and 132.2MB in the end (delta: -46.9MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. * RCFGBuilder took 3833.53ms. Allocated memory was 167.8MB in the beginning and 246.4MB in the end (delta: 78.6MB). Free memory was 132.2MB in the beginning and 149.8MB in the end (delta: -17.6MB). Peak memory consumption was 144.9MB. Max. memory is 8.0GB. * Sifa took 13137.32ms. Allocated memory was 246.4MB in the beginning and 920.6MB in the end (delta: 674.2MB). Free memory was 149.8MB in the beginning and 759.4MB in the end (delta: -609.6MB). Peak memory consumption was 64.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 13.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 20, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 133, TOOLS_POST_TIME: 4.6s, TOOLS_POST_CALL_APPLICATIONS: 77, TOOLS_POST_CALL_TIME: 2.9s, TOOLS_POST_RETURN_APPLICATIONS: 75, TOOLS_POST_RETURN_TIME: 2.8s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 284, TOOLS_QUANTIFIERELIM_TIME: 10.1s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 239, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 20, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 20, DOMAIN_ISBOTTOM_TIME: 2.5s, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME: 0.9s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.9s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 75, CALL_SUMMARIZER_CACHE_MISSES: 8, CALL_SUMMARIZER_OVERALL_TIME: 1.7s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 1.7s, 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: 511, DAG_COMPRESSION_RETAINED_NODES: 229 - UnprovableResult [Line: 539]: 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 314#(and (= (mod ~__CS_error~0 256) 1) (= ~__THREAD_RUNNING~0 1) (= 2 ~__CS_ret_ERROR~0) (= |~#__CS_u~0.base| 9) (exists ((|v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 32) (select (select |#memory_$Pointer$.base| 6) 20)) (= (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 16) (select (select |#memory_$Pointer$.offset| 6) 4)) (= (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 60) (select (select |#memory_$Pointer$.offset| 6) 48)) (= (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 36) (select (select |#memory_$Pointer$.base| 6) 24)) (<= 0 |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) (= (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 24) (select (select |#memory_$Pointer$.base| 6) 12)) (= (select (select |#memory_$Pointer$.base| 6) 8) (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 20)) (= (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 44) (select (select |#memory_$Pointer$.base| 6) 32)) (= (select (select |#memory_$Pointer$.base| 6) 56) (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 68)) (= (select (select |#memory_$Pointer$.base| 6) 60) (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 72)) (= (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 40) (select (select |#memory_$Pointer$.base| 6) 28)) (= (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 76) (select (select |#memory_$Pointer$.base| 6) 64)) (= (select (select |#memory_$Pointer$.offset| 6) 24) (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 36)) (= (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 20) (select (select |#memory_$Pointer$.offset| 6) 8)) (= (select (select |#memory_$Pointer$.base| 6) 44) (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 56)) (= (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 68) (select (select |#memory_$Pointer$.offset| 6) 56)) (= (select (select |#memory_$Pointer$.offset| 6) 28) (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 40)) (= (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 52) (select (select |#memory_$Pointer$.offset| 6) 40)) (= (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 48) (select (select |#memory_$Pointer$.base| 6) 36)) (= (select (select |#memory_$Pointer$.offset| 6) 12) (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 24)) (= (select (select |#memory_$Pointer$.offset| 6) 64) (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 76)) (= (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 28) (select (select |#memory_$Pointer$.offset| 6) 16)) (= (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 80) (select (select |#memory_$Pointer$.offset| 6) 68)) (= (select (select |#memory_$Pointer$.offset| 6) 20) (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 32)) (= (select (select |#memory_$Pointer$.offset| 6) 36) (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 48)) (= (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 44) (select (select |#memory_$Pointer$.offset| 6) 32)) (= (select (select |#memory_$Pointer$.base| 6) 16) (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 28)) (= (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 12) (select (select |#memory_$Pointer$.base| 6) 0)) (= (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 16) (select (select |#memory_$Pointer$.base| 6) 4)) (= (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 64) (select (select |#memory_$Pointer$.base| 6) 52)) (= (select (select |#memory_$Pointer$.offset| 6) 60) (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 72)) (= (select (select |#memory_$Pointer$.base| 6) 40) (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 52)) (= (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 64) (select (select |#memory_$Pointer$.offset| 6) 52)) (= (select (select |#memory_$Pointer$.offset| 6) 44) (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 56)) (= (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 60) (select (select |#memory_$Pointer$.base| 6) 48)) (= (select (select |#memory_$Pointer$.base| 6) 68) (select (select |#memory_$Pointer$.base| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 80)) (= (select (select |#memory_$Pointer$.offset| 6) 0) (select (select |#memory_$Pointer$.offset| |v_main_~#__CS_cp___CS_thread_lockedon~0.base_BEFORE_CALL_52|) 12)))) (= |~#__CS_thread_lockedon~0.base| 6) (= |~#__CS_thread_born_round~0.base| 4) (= ~__CS_ret_PREEMPTED~0 1) (= 3 |~#__CS_thread_allocated~0.base|) (exists ((|v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52| Int)) (and (= (mod (select (select |#memory_int| 5) 5) 256) (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52|) 8) 256)) (= (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52|) 15) 256) (mod (select (select |#memory_int| 5) 12) 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_52|) 3) 256)) (= (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52|) 13) 256) (mod (select (select |#memory_int| 5) 10) 256)) (= (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52|) 9) 256) (mod (select (select |#memory_int| 5) 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_52|) 6) 256)) (= (mod (select (select |#memory_int| 5) 14) 256) (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52|) 17) 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_52|) 5) 256)) (= (mod (select (select |#memory_int| 5) 17) 256) (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52|) 20) 256)) (= (mod (select (select |#memory_int| 5) 8) 256) (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52|) 11) 256)) (= (mod (select (select |#memory_int| 5) 15) 256) (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52|) 18) 256)) (= (mod (select (select |#memory_int| 5) 7) 256) (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52|) 10) 256)) (= (mod (select (select |#memory_int| 5) 16) 256) (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52|) 19) 256)) (= (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52|) 7) 256) (mod (select (select |#memory_int| 5) 4) 256)) (= (mod (select (select |#memory_int| 5) 9) 256) (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52|) 12) 256)) (<= 0 |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52|) (= (mod (select (select |#memory_int| 5) 1) 256) (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52|) 4) 256)) (= (mod (select (select |#memory_int| 5) 11) 256) (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52|) 14) 256)) (= (mod (select (select |#memory_int| |v_main_~#__CS_cp___CS_thread_status~0.base_BEFORE_CALL_52|) 16) 256) (mod (select (select |#memory_int| 5) 13) 256)))) (= |~#__CS_thread_born_round~0.offset| 0) (= ~__THREAD_UNUSED~0 0) (= ~__CS_ret_FINISHED~0 4) (= |~#__CS_thread_status~0.offset| 0) (= 0 |~#__CS_thread_allocated~0.offset|) (= |~#__CS_thread_lockedon~0.offset| 0) (= |__VERIFIER_assert_#in~cond| 0) (= __VERIFIER_assert_~cond 0) (= 2 ~__THREAD_FINISHED~0) (= |#NULL.offset| 0) (= |~#j~2.offset| 0) (= |~#__CS_u~0.offset| 0) (= |~#i~0.offset| 0) (= 7 |~#i~0.base|) (exists ((|v_main_~#__CS_cp_i~0.base_BEFORE_CALL_52| Int)) (and (= (select (select |#memory_int| 7) 16) (select (select |#memory_int| |v_main_~#__CS_cp_i~0.base_BEFORE_CALL_52|) 20)) (= (select (select |#memory_int| 7) 0) (select (select |#memory_int| |v_main_~#__CS_cp_i~0.base_BEFORE_CALL_52|) 4)) (<= 0 |v_main_~#__CS_cp_i~0.base_BEFORE_CALL_52|) (= (select (select |#memory_int| |v_main_~#__CS_cp_i~0.base_BEFORE_CALL_52|) 16) (select (select |#memory_int| 7) 12)) (= (select (select |#memory_int| |v_main_~#__CS_cp_i~0.base_BEFORE_CALL_52|) 12) (select (select |#memory_int| 7) 8)) (= (select (select |#memory_int| |v_main_~#__CS_cp_i~0.base_BEFORE_CALL_52|) 8) (select (select |#memory_int| 7) 4)) (= (select (select |#memory_int| 7) 20) (select (select |#memory_int| |v_main_~#__CS_cp_i~0.base_BEFORE_CALL_52|) 24)))) (<= 0 |#StackHeapBarrier|) (= |~#__CS_thread_status~0.base| 5) (exists ((|v_main_~#__CS_cp_j~0.base_BEFORE_CALL_52| Int)) (and (<= 0 |v_main_~#__CS_cp_j~0.base_BEFORE_CALL_52|) (= (select (select |#memory_int| 8) 0) (select (select |#memory_int| |v_main_~#__CS_cp_j~0.base_BEFORE_CALL_52|) 4)) (= (select (select |#memory_int| 8) 8) (select (select |#memory_int| |v_main_~#__CS_cp_j~0.base_BEFORE_CALL_52|) 12)) (= (select (select |#memory_int| |v_main_~#__CS_cp_j~0.base_BEFORE_CALL_52|) 24) (select (select |#memory_int| 8) 20)) (= (select (select |#memory_int| 8) 4) (select (select |#memory_int| |v_main_~#__CS_cp_j~0.base_BEFORE_CALL_52|) 8)) (= (select (select |#memory_int| |v_main_~#__CS_cp_j~0.base_BEFORE_CALL_52|) 20) (select (select |#memory_int| 8) 16)) (= (select (select |#memory_int| |v_main_~#__CS_cp_j~0.base_BEFORE_CALL_52|) 16) (select (select |#memory_int| 8) 12)))) (= |#NULL.base| 0) (= |~#j~2.base| 8)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-31 07:13:07,477 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...