/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 21:25:43,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 21:25:43,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 21:25:43,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 21:25:43,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 21:25:43,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 21:25:43,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 21:25:43,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 21:25:43,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 21:25:43,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 21:25:43,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 21:25:43,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 21:25:43,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 21:25:43,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 21:25:43,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 21:25:43,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 21:25:43,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 21:25:43,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 21:25:43,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 21:25:43,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 21:25:43,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 21:25:43,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 21:25:43,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 21:25:43,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 21:25:43,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 21:25:43,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 21:25:43,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 21:25:43,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 21:25:43,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 21:25:43,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 21:25:43,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 21:25:43,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 21:25:43,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 21:25:43,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 21:25:43,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 21:25:43,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 21:25:43,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 21:25:43,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 21:25:43,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 21:25:43,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 21:25:43,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 21:25:43,417 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 [2023-04-02 21:25:43,434 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 21:25:43,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 21:25:43,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 21:25:43,434 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 21:25:43,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 21:25:43,435 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 21:25:43,435 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-02 21:25:43,435 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-02 21:25:43,435 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-02 21:25:43,435 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-02 21:25:43,435 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-02 21:25:43,435 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-02 21:25:43,435 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-02 21:25:43,435 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-02 21:25:43,436 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-02 21:25:43,436 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-02 21:25:43,436 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-02 21:25:43,436 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-02 21:25:43,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 21:25:43,436 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 21:25:43,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 21:25:43,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 21:25:43,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 21:25:43,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 21:25:43,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 21:25:43,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 21:25:43,437 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 21:25:43,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 21:25:43,437 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 21:25:43,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 21:25:43,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 21:25:43,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 21:25:43,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 21:25:43,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 21:25:43,438 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-02 21:25:43,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 21:25:43,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 21:25:43,438 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-02 21:25:43,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 21:25:43,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 21:25:43,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-02 21:25:43,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-02 21:25:43,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 21:25:43,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 21:25:43,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 21:25:43,633 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 21:25:43,633 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 21:25:43,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2023-04-02 21:25:44,611 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 21:25:44,838 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 21:25:44,839 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2023-04-02 21:25:44,860 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3ad1735/e747ca51d89f4844bdbe3f9aa91ab5c0/FLAG2af045bfb [2023-04-02 21:25:44,870 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3ad1735/e747ca51d89f4844bdbe3f9aa91ab5c0 [2023-04-02 21:25:44,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 21:25:44,872 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 21:25:44,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 21:25:44,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 21:25:44,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 21:25:44,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:25:44" (1/1) ... [2023-04-02 21:25:44,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e9400f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:44, skipping insertion in model container [2023-04-02 21:25:44,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:25:44" (1/1) ... [2023-04-02 21:25:44,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 21:25:44,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 21:25:45,161 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/heap-manipulation/bubble_sort_linux-2.i[33822,33835] [2023-04-02 21:25:45,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 21:25:45,205 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 21:25:45,241 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/heap-manipulation/bubble_sort_linux-2.i[33822,33835] [2023-04-02 21:25:45,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 21:25:45,300 INFO L208 MainTranslator]: Completed translation [2023-04-02 21:25:45,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:45 WrapperNode [2023-04-02 21:25:45,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 21:25:45,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 21:25:45,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 21:25:45,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 21:25:45,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:45" (1/1) ... [2023-04-02 21:25:45,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:45" (1/1) ... [2023-04-02 21:25:45,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:45" (1/1) ... [2023-04-02 21:25:45,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:45" (1/1) ... [2023-04-02 21:25:45,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:45" (1/1) ... [2023-04-02 21:25:45,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:45" (1/1) ... [2023-04-02 21:25:45,372 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:45" (1/1) ... [2023-04-02 21:25:45,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:45" (1/1) ... [2023-04-02 21:25:45,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 21:25:45,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 21:25:45,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 21:25:45,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 21:25:45,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:45" (1/1) ... [2023-04-02 21:25:45,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 21:25:45,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 21:25:45,413 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) [2023-04-02 21:25:45,432 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 [2023-04-02 21:25:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 21:25:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 21:25:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 21:25:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2023-04-02 21:25:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2023-04-02 21:25:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2023-04-02 21:25:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2023-04-02 21:25:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-02 21:25:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2023-04-02 21:25:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-02 21:25:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2023-04-02 21:25:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2023-04-02 21:25:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2023-04-02 21:25:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2023-04-02 21:25:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2023-04-02 21:25:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2023-04-02 21:25:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2023-04-02 21:25:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 21:25:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 21:25:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 21:25:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 21:25:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 21:25:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 21:25:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 21:25:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2023-04-02 21:25:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2023-04-02 21:25:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-04-02 21:25:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-04-02 21:25:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-04-02 21:25:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-04-02 21:25:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-04-02 21:25:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-04-02 21:25:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-04-02 21:25:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-04-02 21:25:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-04-02 21:25:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-04-02 21:25:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-04-02 21:25:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-04-02 21:25:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-04-02 21:25:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-04-02 21:25:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-04-02 21:25:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-04-02 21:25:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-04-02 21:25:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-04-02 21:25:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-04-02 21:25:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-04-02 21:25:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-04-02 21:25:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-04-02 21:25:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-04-02 21:25:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-04-02 21:25:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-04-02 21:25:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-04-02 21:25:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-04-02 21:25:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-04-02 21:25:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-04-02 21:25:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-04-02 21:25:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-04-02 21:25:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-04-02 21:25:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-04-02 21:25:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-04-02 21:25:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-04-02 21:25:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-04-02 21:25:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-04-02 21:25:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-04-02 21:25:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-04-02 21:25:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-04-02 21:25:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-04-02 21:25:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-04-02 21:25:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-04-02 21:25:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-04-02 21:25:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-04-02 21:25:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-04-02 21:25:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-04-02 21:25:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-04-02 21:25:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-04-02 21:25:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-04-02 21:25:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 21:25:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 21:25:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-04-02 21:25:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 21:25:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2023-04-02 21:25:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-04-02 21:25:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-04-02 21:25:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-04-02 21:25:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-04-02 21:25:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-04-02 21:25:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-02 21:25:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-04-02 21:25:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-04-02 21:25:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-04-02 21:25:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-04-02 21:25:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-04-02 21:25:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-04-02 21:25:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-04-02 21:25:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-04-02 21:25:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-04-02 21:25:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-04-02 21:25:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-04-02 21:25:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-04-02 21:25:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-04-02 21:25:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-04-02 21:25:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-04-02 21:25:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-04-02 21:25:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-04-02 21:25:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-04-02 21:25:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-04-02 21:25:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-04-02 21:25:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-04-02 21:25:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-04-02 21:25:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-04-02 21:25:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-04-02 21:25:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-04-02 21:25:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-04-02 21:25:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-04-02 21:25:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-04-02 21:25:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-04-02 21:25:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-04-02 21:25:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-04-02 21:25:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-04-02 21:25:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-04-02 21:25:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-04-02 21:25:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-04-02 21:25:45,462 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-04-02 21:25:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-04-02 21:25:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-04-02 21:25:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2023-04-02 21:25:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2023-04-02 21:25:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2023-04-02 21:25:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2023-04-02 21:25:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2023-04-02 21:25:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2023-04-02 21:25:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2023-04-02 21:25:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2023-04-02 21:25:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2023-04-02 21:25:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-04-02 21:25:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-04-02 21:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2023-04-02 21:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-04-02 21:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2023-04-02 21:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2023-04-02 21:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2023-04-02 21:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2023-04-02 21:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2023-04-02 21:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2023-04-02 21:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2023-04-02 21:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2023-04-02 21:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-04-02 21:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 21:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-02 21:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2023-04-02 21:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2023-04-02 21:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2023-04-02 21:25:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-02 21:25:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-04-02 21:25:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2023-04-02 21:25:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2023-04-02 21:25:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2023-04-02 21:25:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2023-04-02 21:25:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2023-04-02 21:25:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2023-04-02 21:25:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2023-04-02 21:25:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2023-04-02 21:25:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-04-02 21:25:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2023-04-02 21:25:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2023-04-02 21:25:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2023-04-02 21:25:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2023-04-02 21:25:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2023-04-02 21:25:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2023-04-02 21:25:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2023-04-02 21:25:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-04-02 21:25:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2023-04-02 21:25:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2023-04-02 21:25:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2023-04-02 21:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2023-04-02 21:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2023-04-02 21:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-04-02 21:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2023-04-02 21:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2023-04-02 21:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2023-04-02 21:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2023-04-02 21:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-04-02 21:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 21:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2023-04-02 21:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2023-04-02 21:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-04-02 21:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2023-04-02 21:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2023-04-02 21:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2023-04-02 21:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2023-04-02 21:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2023-04-02 21:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2023-04-02 21:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2023-04-02 21:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2023-04-02 21:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2023-04-02 21:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2023-04-02 21:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2023-04-02 21:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-04-02 21:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2023-04-02 21:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2023-04-02 21:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2023-04-02 21:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2023-04-02 21:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2023-04-02 21:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2023-04-02 21:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2023-04-02 21:25:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2023-04-02 21:25:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2023-04-02 21:25:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2023-04-02 21:25:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2023-04-02 21:25:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2023-04-02 21:25:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 21:25:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2023-04-02 21:25:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2023-04-02 21:25:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 21:25:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-02 21:25:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 21:25:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2023-04-02 21:25:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-02 21:25:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2023-04-02 21:25:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2023-04-02 21:25:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 21:25:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 21:25:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2023-04-02 21:25:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2023-04-02 21:25:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 21:25:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2023-04-02 21:25:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 21:25:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2023-04-02 21:25:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2023-04-02 21:25:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 21:25:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 21:25:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 21:25:45,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 21:25:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 21:25:45,752 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 21:25:45,754 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 21:25:46,074 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 21:25:46,113 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 21:25:46,114 INFO L302 CfgBuilder]: Removed 41 assume(true) statements. [2023-04-02 21:25:46,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:25:46 BoogieIcfgContainer [2023-04-02 21:25:46,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 21:25:46,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 21:25:46,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 21:25:46,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 21:25:46,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 09:25:44" (1/3) ... [2023-04-02 21:25:46,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35849d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:25:46, skipping insertion in model container [2023-04-02 21:25:46,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:45" (2/3) ... [2023-04-02 21:25:46,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35849d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:25:46, skipping insertion in model container [2023-04-02 21:25:46,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:25:46" (3/3) ... [2023-04-02 21:25:46,121 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux-2.i [2023-04-02 21:25:46,133 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 21:25:46,133 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 21:25:46,182 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 21:25:46,186 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;@4c7b8e35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-02 21:25:46,186 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 21:25:46,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 85 states have (on average 1.7411764705882353) internal successors, (148), 106 states have internal predecessors, (148), 33 states have call successors, (33), 14 states have call predecessors, (33), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-04-02 21:25:46,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-04-02 21:25:46,197 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 21:25:46,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 21:25:46,198 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 21:25:46,203 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 21:25:46,203 INFO L85 PathProgramCache]: Analyzing trace with hash -2004553619, now seen corresponding path program 1 times [2023-04-02 21:25:46,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 21:25:46,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64241072] [2023-04-02 21:25:46,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:25:46,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 21:25:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:25:46,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 21:25:46,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 21:25:46,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64241072] [2023-04-02 21:25:46,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64241072] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 21:25:46,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 21:25:46,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-02 21:25:46,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366638709] [2023-04-02 21:25:46,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 21:25:46,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-02 21:25:46,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 21:25:46,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-02 21:25:46,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-02 21:25:46,395 INFO L87 Difference]: Start difference. First operand has 133 states, 85 states have (on average 1.7411764705882353) internal successors, (148), 106 states have internal predecessors, (148), 33 states have call successors, (33), 14 states have call predecessors, (33), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-02 21:25:46,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 21:25:46,475 INFO L93 Difference]: Finished difference Result 258 states and 425 transitions. [2023-04-02 21:25:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-02 21:25:46,479 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2023-04-02 21:25:46,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 21:25:46,513 INFO L225 Difference]: With dead ends: 258 [2023-04-02 21:25:46,513 INFO L226 Difference]: Without dead ends: 120 [2023-04-02 21:25:46,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-02 21:25:46,521 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 21:25:46,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 21:25:46,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-04-02 21:25:46,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2023-04-02 21:25:46,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 96 states have internal predecessors, (98), 30 states have call successors, (30), 13 states have call predecessors, (30), 11 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-04-02 21:25:46,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2023-04-02 21:25:46,561 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 13 [2023-04-02 21:25:46,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 21:25:46,561 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2023-04-02 21:25:46,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-02 21:25:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2023-04-02 21:25:46,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-04-02 21:25:46,563 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 21:25:46,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 21:25:46,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 21:25:46,563 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 21:25:46,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 21:25:46,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1002277789, now seen corresponding path program 1 times [2023-04-02 21:25:46,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 21:25:46,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501490584] [2023-04-02 21:25:46,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:25:46,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 21:25:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:25:46,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 21:25:46,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 21:25:46,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501490584] [2023-04-02 21:25:46,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501490584] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 21:25:46,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 21:25:46,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 21:25:46,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918549863] [2023-04-02 21:25:46,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 21:25:46,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 21:25:46,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 21:25:46,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 21:25:46,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-02 21:25:46,772 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-02 21:25:46,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 21:25:46,922 INFO L93 Difference]: Finished difference Result 122 states and 142 transitions. [2023-04-02 21:25:46,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 21:25:46,923 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 28 [2023-04-02 21:25:46,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 21:25:46,926 INFO L225 Difference]: With dead ends: 122 [2023-04-02 21:25:46,926 INFO L226 Difference]: Without dead ends: 119 [2023-04-02 21:25:46,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-02 21:25:46,931 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 194 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 21:25:46,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 272 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 21:25:46,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-04-02 21:25:46,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2023-04-02 21:25:46,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 95 states have internal predecessors, (97), 29 states have call successors, (29), 13 states have call predecessors, (29), 11 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-04-02 21:25:46,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2023-04-02 21:25:46,947 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 28 [2023-04-02 21:25:46,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 21:25:46,948 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2023-04-02 21:25:46,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-02 21:25:46,948 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2023-04-02 21:25:46,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-04-02 21:25:46,949 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 21:25:46,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 21:25:46,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 21:25:46,949 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 21:25:46,949 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 21:25:46,949 INFO L85 PathProgramCache]: Analyzing trace with hash -22072565, now seen corresponding path program 1 times [2023-04-02 21:25:46,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 21:25:46,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728781367] [2023-04-02 21:25:46,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:25:46,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 21:25:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:25:47,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 21:25:47,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 21:25:47,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728781367] [2023-04-02 21:25:47,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728781367] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 21:25:47,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 21:25:47,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 21:25:47,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787936856] [2023-04-02 21:25:47,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 21:25:47,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 21:25:47,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 21:25:47,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 21:25:47,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-04-02 21:25:47,706 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand has 14 states, 9 states have (on average 2.0) internal successors, (18), 10 states have internal predecessors, (18), 7 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-02 21:25:48,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 21:25:48,828 INFO L93 Difference]: Finished difference Result 217 states and 259 transitions. [2023-04-02 21:25:48,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 21:25:48,829 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 9 states have (on average 2.0) internal successors, (18), 10 states have internal predecessors, (18), 7 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 31 [2023-04-02 21:25:48,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 21:25:48,833 INFO L225 Difference]: With dead ends: 217 [2023-04-02 21:25:48,833 INFO L226 Difference]: Without dead ends: 211 [2023-04-02 21:25:48,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=526, Unknown=0, NotChecked=0, Total=650 [2023-04-02 21:25:48,840 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 512 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 1480 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 1480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-02 21:25:48,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 112 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 1480 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-02 21:25:48,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-04-02 21:25:48,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 185. [2023-04-02 21:25:48,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 137 states have (on average 1.2554744525547445) internal successors, (172), 154 states have internal predecessors, (172), 33 states have call successors, (33), 16 states have call predecessors, (33), 14 states have return successors, (18), 17 states have call predecessors, (18), 16 states have call successors, (18) [2023-04-02 21:25:48,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 223 transitions. [2023-04-02 21:25:48,879 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 223 transitions. Word has length 31 [2023-04-02 21:25:48,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 21:25:48,880 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 223 transitions. [2023-04-02 21:25:48,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 9 states have (on average 2.0) internal successors, (18), 10 states have internal predecessors, (18), 7 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-02 21:25:48,880 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 223 transitions. [2023-04-02 21:25:48,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-04-02 21:25:48,881 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 21:25:48,881 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 21:25:48,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 21:25:48,881 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 21:25:48,882 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 21:25:48,882 INFO L85 PathProgramCache]: Analyzing trace with hash -686454838, now seen corresponding path program 1 times [2023-04-02 21:25:48,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 21:25:48,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323554084] [2023-04-02 21:25:48,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:25:48,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 21:25:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:25:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 21:25:49,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 21:25:49,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323554084] [2023-04-02 21:25:49,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323554084] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 21:25:49,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 21:25:49,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-04-02 21:25:49,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664821790] [2023-04-02 21:25:49,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 21:25:49,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 21:25:49,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 21:25:49,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 21:25:49,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2023-04-02 21:25:49,880 INFO L87 Difference]: Start difference. First operand 185 states and 223 transitions. Second operand has 16 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-02 21:25:50,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 21:25:50,991 INFO L93 Difference]: Finished difference Result 303 states and 372 transitions. [2023-04-02 21:25:50,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 21:25:50,992 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 34 [2023-04-02 21:25:50,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 21:25:50,993 INFO L225 Difference]: With dead ends: 303 [2023-04-02 21:25:50,993 INFO L226 Difference]: Without dead ends: 300 [2023-04-02 21:25:50,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=495, Unknown=0, NotChecked=0, Total=600 [2023-04-02 21:25:50,994 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 579 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 1639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-02 21:25:50,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 167 Invalid, 1639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1485 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-02 21:25:50,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2023-04-02 21:25:51,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 272. [2023-04-02 21:25:51,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 209 states have (on average 1.2583732057416268) internal successors, (263), 227 states have internal predecessors, (263), 42 states have call successors, (42), 20 states have call predecessors, (42), 20 states have return successors, (30), 26 states have call predecessors, (30), 24 states have call successors, (30) [2023-04-02 21:25:51,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 335 transitions. [2023-04-02 21:25:51,028 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 335 transitions. Word has length 34 [2023-04-02 21:25:51,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 21:25:51,029 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 335 transitions. [2023-04-02 21:25:51,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-02 21:25:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 335 transitions. [2023-04-02 21:25:51,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-04-02 21:25:51,031 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 21:25:51,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 21:25:51,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 21:25:51,031 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 21:25:51,031 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 21:25:51,032 INFO L85 PathProgramCache]: Analyzing trace with hash -2075132773, now seen corresponding path program 1 times [2023-04-02 21:25:51,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 21:25:51,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478143960] [2023-04-02 21:25:51,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:25:51,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 21:25:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:25:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 21:25:51,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 21:25:51,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478143960] [2023-04-02 21:25:51,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478143960] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 21:25:51,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 21:25:51,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-04-02 21:25:51,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924863510] [2023-04-02 21:25:51,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 21:25:51,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 21:25:51,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 21:25:51,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 21:25:51,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2023-04-02 21:25:51,839 INFO L87 Difference]: Start difference. First operand 272 states and 335 transitions. Second operand has 16 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 10 states have internal predecessors, (24), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-02 21:25:52,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 21:25:52,999 INFO L93 Difference]: Finished difference Result 302 states and 370 transitions. [2023-04-02 21:25:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 21:25:53,000 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 10 states have internal predecessors, (24), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 37 [2023-04-02 21:25:53,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 21:25:53,001 INFO L225 Difference]: With dead ends: 302 [2023-04-02 21:25:53,001 INFO L226 Difference]: Without dead ends: 299 [2023-04-02 21:25:53,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=121, Invalid=529, Unknown=0, NotChecked=0, Total=650 [2023-04-02 21:25:53,002 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 536 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 1676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-02 21:25:53,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 157 Invalid, 1676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-02 21:25:53,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-04-02 21:25:53,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 272. [2023-04-02 21:25:53,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 209 states have (on average 1.2535885167464116) internal successors, (262), 227 states have internal predecessors, (262), 42 states have call successors, (42), 20 states have call predecessors, (42), 20 states have return successors, (30), 26 states have call predecessors, (30), 24 states have call successors, (30) [2023-04-02 21:25:53,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 334 transitions. [2023-04-02 21:25:53,025 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 334 transitions. Word has length 37 [2023-04-02 21:25:53,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 21:25:53,025 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 334 transitions. [2023-04-02 21:25:53,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 10 states have internal predecessors, (24), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-02 21:25:53,025 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 334 transitions. [2023-04-02 21:25:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-04-02 21:25:53,026 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 21:25:53,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 21:25:53,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 21:25:53,026 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 21:25:53,027 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 21:25:53,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1255856565, now seen corresponding path program 1 times [2023-04-02 21:25:53,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 21:25:53,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337485711] [2023-04-02 21:25:53,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:25:53,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 21:25:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:25:54,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 21:25:54,084 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 21:25:54,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337485711] [2023-04-02 21:25:54,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337485711] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 21:25:54,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 21:25:54,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-04-02 21:25:54,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410929696] [2023-04-02 21:25:54,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 21:25:54,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 21:25:54,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 21:25:54,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 21:25:54,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2023-04-02 21:25:54,085 INFO L87 Difference]: Start difference. First operand 272 states and 334 transitions. Second operand has 17 states, 12 states have (on average 2.25) internal successors, (27), 11 states have internal predecessors, (27), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-02 21:25:55,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 21:25:55,313 INFO L93 Difference]: Finished difference Result 300 states and 366 transitions. [2023-04-02 21:25:55,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 21:25:55,314 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 12 states have (on average 2.25) internal successors, (27), 11 states have internal predecessors, (27), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 40 [2023-04-02 21:25:55,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 21:25:55,316 INFO L225 Difference]: With dead ends: 300 [2023-04-02 21:25:55,316 INFO L226 Difference]: Without dead ends: 297 [2023-04-02 21:25:55,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=591, Unknown=0, NotChecked=0, Total=702 [2023-04-02 21:25:55,318 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 366 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 1653 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 1727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-02 21:25:55,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 198 Invalid, 1727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1653 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-02 21:25:55,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-04-02 21:25:55,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 272. [2023-04-02 21:25:55,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 209 states have (on average 1.2488038277511961) internal successors, (261), 227 states have internal predecessors, (261), 42 states have call successors, (42), 20 states have call predecessors, (42), 20 states have return successors, (30), 26 states have call predecessors, (30), 24 states have call successors, (30) [2023-04-02 21:25:55,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 333 transitions. [2023-04-02 21:25:55,347 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 333 transitions. Word has length 40 [2023-04-02 21:25:55,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 21:25:55,347 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 333 transitions. [2023-04-02 21:25:55,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 12 states have (on average 2.25) internal successors, (27), 11 states have internal predecessors, (27), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-02 21:25:55,348 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 333 transitions. [2023-04-02 21:25:55,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-02 21:25:55,353 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 21:25:55,353 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 21:25:55,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 21:25:55,353 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 21:25:55,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 21:25:55,353 INFO L85 PathProgramCache]: Analyzing trace with hash -445773496, now seen corresponding path program 1 times [2023-04-02 21:25:55,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 21:25:55,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821107581] [2023-04-02 21:25:55,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:25:55,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 21:25:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:25:56,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 21:25:56,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 21:25:56,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821107581] [2023-04-02 21:25:56,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821107581] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 21:25:56,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 21:25:56,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-04-02 21:25:56,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584151676] [2023-04-02 21:25:56,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 21:25:56,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 21:25:56,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 21:25:56,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 21:25:56,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2023-04-02 21:25:56,651 INFO L87 Difference]: Start difference. First operand 272 states and 333 transitions. Second operand has 16 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-02 21:25:58,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 21:25:58,069 INFO L93 Difference]: Finished difference Result 300 states and 366 transitions. [2023-04-02 21:25:58,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 21:25:58,069 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 43 [2023-04-02 21:25:58,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 21:25:58,072 INFO L225 Difference]: With dead ends: 300 [2023-04-02 21:25:58,072 INFO L226 Difference]: Without dead ends: 297 [2023-04-02 21:25:58,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=104, Invalid=546, Unknown=0, NotChecked=0, Total=650 [2023-04-02 21:25:58,075 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 361 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 1856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-02 21:25:58,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 192 Invalid, 1856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-02 21:25:58,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-04-02 21:25:58,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 272. [2023-04-02 21:25:58,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 209 states have (on average 1.244019138755981) internal successors, (260), 227 states have internal predecessors, (260), 42 states have call successors, (42), 20 states have call predecessors, (42), 20 states have return successors, (30), 26 states have call predecessors, (30), 24 states have call successors, (30) [2023-04-02 21:25:58,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 332 transitions. [2023-04-02 21:25:58,104 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 332 transitions. Word has length 43 [2023-04-02 21:25:58,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 21:25:58,104 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 332 transitions. [2023-04-02 21:25:58,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-02 21:25:58,105 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 332 transitions. [2023-04-02 21:25:58,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-02 21:25:58,106 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 21:25:58,106 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 21:25:58,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 21:25:58,106 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 21:25:58,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 21:25:58,107 INFO L85 PathProgramCache]: Analyzing trace with hash -379097290, now seen corresponding path program 1 times [2023-04-02 21:25:58,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 21:25:58,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935647100] [2023-04-02 21:25:58,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:25:58,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 21:25:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:26:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 21:26:00,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 21:26:00,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935647100] [2023-04-02 21:26:00,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935647100] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 21:26:00,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202580743] [2023-04-02 21:26:00,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:26:00,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 21:26:00,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 21:26:00,079 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 21:26:00,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 21:26:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:26:00,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 154 conjunts are in the unsatisfiable core [2023-04-02 21:26:00,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 21:26:00,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-04-02 21:26:00,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-04-02 21:26:00,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2023-04-02 21:26:00,715 INFO L321 Elim1Store]: treesize reduction 49, result has 31.0 percent of original size [2023-04-02 21:26:00,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 68 [2023-04-02 21:26:00,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 67 [2023-04-02 21:26:01,035 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-04-02 21:26:01,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 479 treesize of output 479 [2023-04-02 21:26:01,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 134 [2023-04-02 21:26:01,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-04-02 21:26:01,159 INFO L321 Elim1Store]: treesize reduction 42, result has 25.0 percent of original size [2023-04-02 21:26:01,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 88 [2023-04-02 21:26:01,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2023-04-02 21:26:01,195 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-04-02 21:26:01,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 7 [2023-04-02 21:26:01,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2023-04-02 21:26:01,215 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-04-02 21:26:01,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 7 [2023-04-02 21:26:01,228 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-04-02 21:26:01,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 18 [2023-04-02 21:26:01,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-04-02 21:26:01,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-04-02 21:26:01,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-02 21:26:01,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-02 21:26:02,883 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2023-04-02 21:26:02,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2023-04-02 21:26:02,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-04-02 21:26:02,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-04-02 21:26:02,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-04-02 21:26:02,976 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-02 21:26:02,979 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-02 21:26:02,991 INFO L321 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2023-04-02 21:26:02,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 96 treesize of output 97 [2023-04-02 21:26:03,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-02 21:26:03,033 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-02 21:26:03,038 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-02 21:26:03,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 79 [2023-04-02 21:26:03,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-02 21:26:03,181 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-02 21:26:03,188 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2023-04-02 21:26:03,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 23 [2023-04-02 21:26:03,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-02 21:26:03,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2023-04-02 21:26:03,967 INFO L321 Elim1Store]: treesize reduction 49, result has 53.3 percent of original size [2023-04-02 21:26:03,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 894 treesize of output 894 [2023-04-02 21:26:04,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-02 21:26:04,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-02 21:26:04,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-02 21:26:04,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-02 21:26:04,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-02 21:26:04,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-02 21:26:17,983 WARN L223 SmtUtils]: Spent 13.38s on a formula simplification. DAG size of input: 164 DAG size of output: 100 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-04-02 21:26:17,987 INFO L321 Elim1Store]: treesize reduction 362, result has 41.2 percent of original size [2023-04-02 21:26:17,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 29 case distinctions, treesize of input 1435 treesize of output 4411 [2023-04-02 21:26:18,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2364 treesize of output 2155 [2023-04-02 21:26:19,809 INFO L321 Elim1Store]: treesize reduction 30, result has 60.0 percent of original size [2023-04-02 21:26:19,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 2390 treesize of output 2191 [2023-04-02 21:26:20,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 207 [2023-04-02 21:26:21,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2023-04-02 21:26:22,559 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-02 21:26:22,592 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-02 21:26:22,655 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-02 21:26:22,729 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-02 21:26:22,759 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-02 21:26:26,546 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-02 21:26:35,933 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-02 21:26:43,912 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-02 21:27:00,674 INFO L173 IndexEqualityManager]: detected equality via solver [2023-04-02 21:27:10,727 INFO L217 Elim1Store]: Index analysis took 48730 ms [2023-04-02 21:29:01,554 WARN L223 SmtUtils]: Spent 1.85m on a formula simplification. DAG size of input: 256 DAG size of output: 24 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-04-02 21:29:01,555 INFO L321 Elim1Store]: treesize reduction 1143, result has 2.9 percent of original size [2023-04-02 21:29:01,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 20 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 106 case distinctions, treesize of input 235988 treesize of output 258985 [2023-04-02 21:29:14,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 163 [2023-04-02 21:29:19,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2023-04-02 21:29:25,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 63 [2023-04-02 21:29:30,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17