/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/seq-pthread/cs_fib-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 00:43:46,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 00:43:46,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 00:43:46,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 00:43:46,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 00:43:46,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 00:43:46,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 00:43:46,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 00:43:46,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 00:43:46,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 00:43:46,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 00:43:46,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 00:43:46,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 00:43:46,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 00:43:46,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 00:43:46,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 00:43:46,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 00:43:46,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 00:43:46,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 00:43:46,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 00:43:46,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 00:43:46,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 00:43:46,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 00:43:46,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 00:43:46,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 00:43:46,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 00:43:46,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 00:43:46,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 00:43:46,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 00:43:46,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 00:43:46,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 00:43:46,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 00:43:46,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 00:43:46,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 00:43:46,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 00:43:46,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 00:43:46,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 00:43:46,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 00:43:46,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 00:43:46,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 00:43:46,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 00:43:46,361 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 00:43:46,386 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 00:43:46,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 00:43:46,386 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 00:43:46,387 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 00:43:46,387 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 00:43:46,387 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 00:43:46,387 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 00:43:46,387 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 00:43:46,387 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 00:43:46,387 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 00:43:46,387 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 00:43:46,388 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 00:43:46,388 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 00:43:46,388 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 00:43:46,388 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 00:43:46,388 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 00:43:46,388 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 00:43:46,388 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 00:43:46,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 00:43:46,389 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 00:43:46,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 00:43:46,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 00:43:46,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 00:43:46,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 00:43:46,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 00:43:46,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 00:43:46,389 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 00:43:46,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 00:43:46,389 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 00:43:46,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 00:43:46,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 00:43:46,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 00:43:46,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 00:43:46,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 00:43:46,390 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 00:43:46,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 00:43:46,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 00:43:46,390 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 00:43:46,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 00:43:46,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 00:43:46,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 00:43:46,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-04-01 00:43:46,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 00:43:46,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 00:43:46,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 00:43:46,585 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 00:43:46,593 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 00:43:46,595 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_fib-2.i [2023-04-01 00:43:47,574 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 00:43:47,885 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 00:43:47,886 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib-2.i [2023-04-01 00:43:47,895 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36b28b8f2/47beee7bea6340f9ba317bf90d3ce96a/FLAG247268a1b [2023-04-01 00:43:47,911 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36b28b8f2/47beee7bea6340f9ba317bf90d3ce96a [2023-04-01 00:43:47,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 00:43:47,914 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 00:43:47,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 00:43:47,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 00:43:47,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 00:43:47,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 12:43:47" (1/1) ... [2023-04-01 00:43:47,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f632b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:43:47, skipping insertion in model container [2023-04-01 00:43:47,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 12:43:47" (1/1) ... [2023-04-01 00:43:47,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 00:43:47,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 00:43:48,212 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-2.i[23457,23470] [2023-04-01 00:43:48,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 00:43:48,340 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 00:43:48,372 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-2.i[23457,23470] [2023-04-01 00:43:48,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 00:43:48,508 INFO L208 MainTranslator]: Completed translation [2023-04-01 00:43:48,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:43:48 WrapperNode [2023-04-01 00:43:48,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 00:43:48,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 00:43:48,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 00:43:48,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 00:43:48,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:43:48" (1/1) ... [2023-04-01 00:43:48,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:43:48" (1/1) ... [2023-04-01 00:43:48,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:43:48" (1/1) ... [2023-04-01 00:43:48,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:43:48" (1/1) ... [2023-04-01 00:43:48,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:43:48" (1/1) ... [2023-04-01 00:43:48,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:43:48" (1/1) ... [2023-04-01 00:43:48,605 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:43:48" (1/1) ... [2023-04-01 00:43:48,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:43:48" (1/1) ... [2023-04-01 00:43:48,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 00:43:48,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 00:43:48,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 00:43:48,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 00:43:48,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:43:48" (1/1) ... [2023-04-01 00:43:48,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 00:43:48,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 00:43:48,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 00:43:48,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 00:43:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 00:43:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 00:43:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-04-01 00:43:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 00:43:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 00:43:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2023-04-01 00:43:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2023-04-01 00:43:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2023-04-01 00:43:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2023-04-01 00:43:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2023-04-01 00:43:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-04-01 00:43:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-04-01 00:43:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2023-04-01 00:43:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2023-04-01 00:43:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2023-04-01 00:43:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2023-04-01 00:43:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init [2023-04-01 00:43:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal [2023-04-01 00:43:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_broadcast [2023-04-01 00:43:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait [2023-04-01 00:43:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assert [2023-04-01 00:43:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-04-01 00:43:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-04-01 00:43:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-04-01 00:43:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-04-01 00:43:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-04-01 00:43:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main_thread [2023-04-01 00:43:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 00:43:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 00:43:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 00:43:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 00:43:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 00:43:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 00:43:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 00:43:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 00:43:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-04-01 00:43:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-04-01 00:43:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-04-01 00:43:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-04-01 00:43:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-04-01 00:43:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-04-01 00:43:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-04-01 00:43:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-04-01 00:43:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-04-01 00:43:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-04-01 00:43:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-04-01 00:43:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-04-01 00:43:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-04-01 00:43:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-04-01 00:43:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-04-01 00:43:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-04-01 00:43:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2023-04-01 00:43:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2023-04-01 00:43:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2023-04-01 00:43:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2023-04-01 00:43:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2023-04-01 00:43:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-04-01 00:43:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-04-01 00:43:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-04-01 00:43:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-04-01 00:43:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-04-01 00:43:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-04-01 00:43:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-04-01 00:43:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-04-01 00:43:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-04-01 00:43:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-04-01 00:43:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-04-01 00:43:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-04-01 00:43:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-04-01 00:43:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-04-01 00:43:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-04-01 00:43:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-04-01 00:43:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-04-01 00:43:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-04-01 00:43:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-04-01 00:43:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-04-01 00:43:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-04-01 00:43:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-04-01 00:43:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-04-01 00:43:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-04-01 00:43:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-04-01 00:43:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-04-01 00:43:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-04-01 00:43:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-04-01 00:43:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-04-01 00:43:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-04-01 00:43:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-04-01 00:43:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-04-01 00:43:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-04-01 00:43:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-04-01 00:43:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 00:43:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 00:43:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-04-01 00:43:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 00:43:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-04-01 00:43:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-04-01 00:43:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-04-01 00:43:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2023-04-01 00:43:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-04-01 00:43:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2023-04-01 00:43:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-04-01 00:43:48,709 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 00:43:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2023-04-01 00:43:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-04-01 00:43:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-04-01 00:43:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-04-01 00:43:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-04-01 00:43:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-04-01 00:43:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-04-01 00:43:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-04-01 00:43:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-04-01 00:43:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-04-01 00:43:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-04-01 00:43:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-04-01 00:43:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-04-01 00:43:48,710 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-04-01 00:43:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-04-01 00:43:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-04-01 00:43:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-04-01 00:43:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-04-01 00:43:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-04-01 00:43:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-04-01 00:43:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-04-01 00:43:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-04-01 00:43:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-04-01 00:43:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-04-01 00:43:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-04-01 00:43:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-04-01 00:43:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-04-01 00:43:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-04-01 00:43:48,711 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-04-01 00:43:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-04-01 00:43:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-04-01 00:43:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-04-01 00:43:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-04-01 00:43:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-04-01 00:43:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-04-01 00:43:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-04-01 00:43:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-04-01 00:43:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-04-01 00:43:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-04-01 00:43:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-04-01 00:43:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 00:43:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-01 00:43:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 00:43:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-04-01 00:43:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2023-04-01 00:43:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2023-04-01 00:43:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 00:43:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 00:43:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2023-04-01 00:43:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2023-04-01 00:43:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init [2023-04-01 00:43:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal [2023-04-01 00:43:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 00:43:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 00:43:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_broadcast [2023-04-01 00:43:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait [2023-04-01 00:43:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assert [2023-04-01 00:43:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-04-01 00:43:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-04-01 00:43:48,713 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-04-01 00:43:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-04-01 00:43:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-04-01 00:43:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure main_thread [2023-04-01 00:43:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 00:43:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 00:43:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 00:43:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-04-01 00:43:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 00:43:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 00:43:48,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 00:43:49,003 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 00:43:49,006 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 00:43:49,147 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)); [2023-04-01 00:43:49,147 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; [2023-04-01 00:43:49,147 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-01 00:43:49,147 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; [2023-04-01 00:43:49,147 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L749: SUMMARY for call __CS_cs(); srcloc: null [2023-04-01 00:43:49,147 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res.base, #res.offset := 0, 0;call ULTIMATE.dealloc(~#id1~0.base, ~#id1~0.offset);havoc ~#id1~0.base, ~#id1~0.offset;call ULTIMATE.dealloc(~#id2~0.base, ~#id2~0.offset);havoc ~#id2~0.base, ~#id2~0.offset; [2023-04-01 00:43:49,147 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L749-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-01 00:43:52,287 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 00:43:52,410 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 00:43:52,410 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-04-01 00:43:52,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 12:43:52 BoogieIcfgContainer [2023-04-01 00:43:52,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 00:43:52,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 00:43:52,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 00:43:52,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 00:43:52,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 12:43:47" (1/3) ... [2023-04-01 00:43:52,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3188fe05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 12:43:52, skipping insertion in model container [2023-04-01 00:43:52,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:43:48" (2/3) ... [2023-04-01 00:43:52,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3188fe05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 12:43:52, skipping insertion in model container [2023-04-01 00:43:52,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 12:43:52" (3/3) ... [2023-04-01 00:43:52,417 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_fib-2.i [2023-04-01 00:43:52,428 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 00:43:52,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 00:43:52,459 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 00:43:52,463 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@59866210, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 00:43:52,463 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 00:43:52,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 96 states have (on average 1.21875) internal successors, (117), 97 states have internal predecessors, (117), 71 states have call successors, (71), 10 states have call predecessors, (71), 10 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2023-04-01 00:43:52,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-04-01 00:43:52,476 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 00:43:52,477 INFO L195 NwaCegarLoop]: trace histogram [40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 00:43:52,477 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 00:43:52,480 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 00:43:52,481 INFO L85 PathProgramCache]: Analyzing trace with hash 192583189, now seen corresponding path program 1 times [2023-04-01 00:43:52,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 00:43:52,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788713301] [2023-04-01 00:43:52,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 00:43:52,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms