/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-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 21:25:43,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 21:25:43,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 21:25:43,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 21:25:43,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 21:25:43,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 21:25:43,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 21:25:43,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 21:25:43,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 21:25:43,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 21:25:43,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 21:25:43,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 21:25:43,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 21:25:43,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 21:25:43,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 21:25:43,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 21:25:43,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 21:25:43,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 21:25:43,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 21:25:43,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 21:25:43,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 21:25:43,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 21:25:43,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 21:25:43,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 21:25:43,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 21:25:43,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 21:25:43,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 21:25:43,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 21:25:43,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 21:25:43,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 21:25:43,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 21:25:43,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 21:25:43,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 21:25:43,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 21:25:43,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 21:25:43,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 21:25:43,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 21:25:43,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 21:25:43,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 21:25:43,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 21:25:43,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 21:25:43,949 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 21:25:43,983 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 21:25:43,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 21:25:43,984 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 21:25:43,984 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 21:25:43,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 21:25:43,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 21:25:43,986 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-02 21:25:43,986 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-02 21:25:43,986 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-02 21:25:43,986 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-02 21:25:43,987 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-02 21:25:43,987 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-02 21:25:43,987 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-02 21:25:43,987 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-02 21:25:43,987 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-02 21:25:43,987 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-02 21:25:43,987 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-02 21:25:43,987 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-02 21:25:43,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 21:25:43,988 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 21:25:43,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 21:25:43,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 21:25:43,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 21:25:43,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 21:25:43,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 21:25:43,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 21:25:43,988 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 21:25:43,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 21:25:43,989 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 21:25:43,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 21:25:43,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 21:25:43,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 21:25:43,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 21:25:43,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 21:25:43,990 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-02 21:25:43,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 21:25:43,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 21:25:43,990 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-02 21:25:43,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 21:25:43,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 21:25:43,990 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-02 21:25:43,990 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-02 21:25:44,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 21:25:44,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 21:25:44,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 21:25:44,237 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 21:25:44,237 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 21:25:44,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i [2023-04-02 21:25:45,374 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 21:25:45,617 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 21:25:45,617 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i [2023-04-02 21:25:45,636 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c419658/d4de686b7a994b92a6f9d7e8cdf402fb/FLAGf93186690 [2023-04-02 21:25:45,648 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7c419658/d4de686b7a994b92a6f9d7e8cdf402fb [2023-04-02 21:25:45,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 21:25:45,652 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 21:25:45,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 21:25:45,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 21:25:45,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 21:25:45,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:25:45" (1/1) ... [2023-04-02 21:25:45,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7c3d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:45, skipping insertion in model container [2023-04-02 21:25:45,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:25:45" (1/1) ... [2023-04-02 21:25:45,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 21:25:45,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 21:25:46,015 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-1.i[33822,33835] [2023-04-02 21:25:46,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 21:25:46,072 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 21:25:46,113 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i[33822,33835] [2023-04-02 21:25:46,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 21:25:46,171 INFO L208 MainTranslator]: Completed translation [2023-04-02 21:25:46,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:46 WrapperNode [2023-04-02 21:25:46,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 21:25:46,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 21:25:46,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 21:25:46,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 21:25:46,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:46" (1/1) ... [2023-04-02 21:25:46,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:46" (1/1) ... [2023-04-02 21:25:46,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:46" (1/1) ... [2023-04-02 21:25:46,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:46" (1/1) ... [2023-04-02 21:25:46,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:46" (1/1) ... [2023-04-02 21:25:46,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:46" (1/1) ... [2023-04-02 21:25:46,260 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:46" (1/1) ... [2023-04-02 21:25:46,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:46" (1/1) ... [2023-04-02 21:25:46,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 21:25:46,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 21:25:46,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 21:25:46,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 21:25:46,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:46" (1/1) ... [2023-04-02 21:25:46,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 21:25:46,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 21:25:46,318 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 21:25:46,328 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 21:25:46,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 21:25:46,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 21:25:46,354 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 21:25:46,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2023-04-02 21:25:46,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2023-04-02 21:25:46,359 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2023-04-02 21:25:46,359 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2023-04-02 21:25:46,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-02 21:25:46,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2023-04-02 21:25:46,359 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-02 21:25:46,359 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2023-04-02 21:25:46,359 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2023-04-02 21:25:46,359 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2023-04-02 21:25:46,360 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2023-04-02 21:25:46,360 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2023-04-02 21:25:46,360 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2023-04-02 21:25:46,360 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2023-04-02 21:25:46,360 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 21:25:46,360 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 21:25:46,360 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 21:25:46,360 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 21:25:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 21:25:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 21:25:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 21:25:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2023-04-02 21:25:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2023-04-02 21:25:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-04-02 21:25:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-04-02 21:25:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-04-02 21:25:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-04-02 21:25:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-04-02 21:25:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-04-02 21:25:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-04-02 21:25:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-04-02 21:25:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-04-02 21:25:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-04-02 21:25:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-04-02 21:25:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-04-02 21:25:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-04-02 21:25:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-04-02 21:25:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-04-02 21:25:46,364 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-04-02 21:25:46,364 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-04-02 21:25:46,364 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-04-02 21:25:46,365 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-04-02 21:25:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-04-02 21:25:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-04-02 21:25:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-04-02 21:25:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-04-02 21:25:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-04-02 21:25:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-04-02 21:25:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-04-02 21:25:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-04-02 21:25:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-04-02 21:25:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-04-02 21:25:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-04-02 21:25:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-04-02 21:25:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-04-02 21:25:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-04-02 21:25:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-04-02 21:25:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-04-02 21:25:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-04-02 21:25:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-04-02 21:25:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-04-02 21:25:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-04-02 21:25:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-04-02 21:25:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-04-02 21:25:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-04-02 21:25:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-04-02 21:25:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-04-02 21:25:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-04-02 21:25:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-04-02 21:25:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-04-02 21:25:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-04-02 21:25:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-04-02 21:25:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-04-02 21:25:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 21:25:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 21:25:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-04-02 21:25:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 21:25:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2023-04-02 21:25:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-04-02 21:25:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-04-02 21:25:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-04-02 21:25:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-04-02 21:25:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-04-02 21:25:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-02 21:25:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-04-02 21:25:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-04-02 21:25:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-04-02 21:25:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-04-02 21:25:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-04-02 21:25:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-04-02 21:25:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-04-02 21:25:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-04-02 21:25:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-04-02 21:25:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-04-02 21:25:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-04-02 21:25:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-04-02 21:25:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-04-02 21:25:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-04-02 21:25:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-04-02 21:25:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-04-02 21:25:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-04-02 21:25:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-04-02 21:25:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-04-02 21:25:46,375 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-04-02 21:25:46,375 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-04-02 21:25:46,375 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-04-02 21:25:46,375 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-04-02 21:25:46,375 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-04-02 21:25:46,375 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-04-02 21:25:46,375 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-04-02 21:25:46,376 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-04-02 21:25:46,376 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-04-02 21:25:46,376 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-04-02 21:25:46,376 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-04-02 21:25:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-04-02 21:25:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-04-02 21:25:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-04-02 21:25:46,378 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-04-02 21:25:46,378 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-04-02 21:25:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-04-02 21:25:46,381 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-04-02 21:25:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-04-02 21:25:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2023-04-02 21:25:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2023-04-02 21:25:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2023-04-02 21:25:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2023-04-02 21:25:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2023-04-02 21:25:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2023-04-02 21:25:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2023-04-02 21:25:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2023-04-02 21:25:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2023-04-02 21:25:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2023-04-02 21:25:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2023-04-02 21:25:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2023-04-02 21:25:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2023-04-02 21:25:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2023-04-02 21:25:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2023-04-02 21:25:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2023-04-02 21:25:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2023-04-02 21:25:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2023-04-02 21:25:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2023-04-02 21:25:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2023-04-02 21:25:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2023-04-02 21:25:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2023-04-02 21:25:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2023-04-02 21:25:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2023-04-02 21:25:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2023-04-02 21:25:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-04-02 21:25:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-04-02 21:25:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2023-04-02 21:25:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-04-02 21:25:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2023-04-02 21:25:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2023-04-02 21:25:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2023-04-02 21:25:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2023-04-02 21:25:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2023-04-02 21:25:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2023-04-02 21:25:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2023-04-02 21:25:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2023-04-02 21:25:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-04-02 21:25:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 21:25:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-02 21:25:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2023-04-02 21:25:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2023-04-02 21:25:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2023-04-02 21:25:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-02 21:25:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-04-02 21:25:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2023-04-02 21:25:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2023-04-02 21:25:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2023-04-02 21:25:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2023-04-02 21:25:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2023-04-02 21:25:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2023-04-02 21:25:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2023-04-02 21:25:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2023-04-02 21:25:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-04-02 21:25:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2023-04-02 21:25:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2023-04-02 21:25:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2023-04-02 21:25:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2023-04-02 21:25:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2023-04-02 21:25:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2023-04-02 21:25:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2023-04-02 21:25:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-04-02 21:25:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2023-04-02 21:25:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2023-04-02 21:25:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2023-04-02 21:25:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2023-04-02 21:25:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2023-04-02 21:25:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-04-02 21:25:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2023-04-02 21:25:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2023-04-02 21:25:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2023-04-02 21:25:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2023-04-02 21:25:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-04-02 21:25:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 21:25:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2023-04-02 21:25:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2023-04-02 21:25:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-04-02 21:25:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2023-04-02 21:25:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2023-04-02 21:25:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2023-04-02 21:25:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2023-04-02 21:25:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2023-04-02 21:25:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2023-04-02 21:25:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2023-04-02 21:25:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2023-04-02 21:25:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2023-04-02 21:25:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2023-04-02 21:25:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2023-04-02 21:25:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-04-02 21:25:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2023-04-02 21:25:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2023-04-02 21:25:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2023-04-02 21:25:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2023-04-02 21:25:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2023-04-02 21:25:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2023-04-02 21:25:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2023-04-02 21:25:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2023-04-02 21:25:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2023-04-02 21:25:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2023-04-02 21:25:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2023-04-02 21:25:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2023-04-02 21:25:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 21:25:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2023-04-02 21:25:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2023-04-02 21:25:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 21:25:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-02 21:25:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 21:25:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2023-04-02 21:25:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-02 21:25:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2023-04-02 21:25:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2023-04-02 21:25:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 21:25:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 21:25:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2023-04-02 21:25:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2023-04-02 21:25:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 21:25:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2023-04-02 21:25:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 21:25:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2023-04-02 21:25:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2023-04-02 21:25:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 21:25:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 21:25:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 21:25:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 21:25:46,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 21:25:46,797 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 21:25:46,799 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 21:25:47,181 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 21:25:47,243 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 21:25:47,243 INFO L302 CfgBuilder]: Removed 41 assume(true) statements. [2023-04-02 21:25:47,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:25:47 BoogieIcfgContainer [2023-04-02 21:25:47,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 21:25:47,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 21:25:47,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 21:25:47,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 21:25:47,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 09:25:45" (1/3) ... [2023-04-02 21:25:47,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3b07b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:25:47, skipping insertion in model container [2023-04-02 21:25:47,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:25:46" (2/3) ... [2023-04-02 21:25:47,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3b07b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:25:47, skipping insertion in model container [2023-04-02 21:25:47,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:25:47" (3/3) ... [2023-04-02 21:25:47,253 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux-1.i [2023-04-02 21:25:47,270 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 21:25:47,270 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 21:25:47,333 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 21:25:47,338 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;@57f64a99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-02 21:25:47,338 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 21:25:47,342 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 21:25:47,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-04-02 21:25:47,347 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 21:25:47,347 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 21:25:47,348 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 21:25:47,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 21:25:47,352 INFO L85 PathProgramCache]: Analyzing trace with hash -2004553619, now seen corresponding path program 1 times [2023-04-02 21:25:47,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 21:25:47,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303646335] [2023-04-02 21:25:47,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:25:47,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 21:25:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:25:47,522 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 21:25:47,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 21:25:47,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303646335] [2023-04-02 21:25:47,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303646335] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 21:25:47,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 21:25:47,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-02 21:25:47,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968579491] [2023-04-02 21:25:47,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 21:25:47,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-02 21:25:47,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 21:25:47,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-02 21:25:47,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-02 21:25:47,565 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 21:25:47,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 21:25:47,673 INFO L93 Difference]: Finished difference Result 258 states and 425 transitions. [2023-04-02 21:25:47,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-02 21:25:47,675 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 21:25:47,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 21:25:47,684 INFO L225 Difference]: With dead ends: 258 [2023-04-02 21:25:47,684 INFO L226 Difference]: Without dead ends: 120 [2023-04-02 21:25:47,692 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 21:25:47,698 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 21:25:47,698 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 21:25:47,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-04-02 21:25:47,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2023-04-02 21:25:47,742 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 21:25:47,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2023-04-02 21:25:47,747 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 13 [2023-04-02 21:25:47,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 21:25:47,748 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2023-04-02 21:25:47,748 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 21:25:47,750 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2023-04-02 21:25:47,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-04-02 21:25:47,752 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 21:25:47,752 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 21:25:47,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 21:25:47,753 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 21:25:47,753 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 21:25:47,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1002277789, now seen corresponding path program 1 times [2023-04-02 21:25:47,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 21:25:47,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129560455] [2023-04-02 21:25:47,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:25:47,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 21:25:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:25:48,060 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 21:25:48,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 21:25:48,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129560455] [2023-04-02 21:25:48,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129560455] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 21:25:48,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 21:25:48,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 21:25:48,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030294341] [2023-04-02 21:25:48,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 21:25:48,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 21:25:48,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 21:25:48,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 21:25:48,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-02 21:25:48,065 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 21:25:48,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 21:25:48,249 INFO L93 Difference]: Finished difference Result 122 states and 142 transitions. [2023-04-02 21:25:48,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 21:25:48,250 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 21:25:48,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 21:25:48,252 INFO L225 Difference]: With dead ends: 122 [2023-04-02 21:25:48,252 INFO L226 Difference]: Without dead ends: 119 [2023-04-02 21:25:48,253 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 21:25:48,257 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 21:25:48,257 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 21:25:48,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-04-02 21:25:48,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2023-04-02 21:25:48,286 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 21:25:48,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2023-04-02 21:25:48,287 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 28 [2023-04-02 21:25:48,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 21:25:48,288 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2023-04-02 21:25:48,288 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 21:25:48,288 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2023-04-02 21:25:48,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-04-02 21:25:48,290 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 21:25:48,290 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 21:25:48,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 21:25:48,290 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 21:25:48,291 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 21:25:48,291 INFO L85 PathProgramCache]: Analyzing trace with hash -22072565, now seen corresponding path program 1 times [2023-04-02 21:25:48,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 21:25:48,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639066886] [2023-04-02 21:25:48,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:25:48,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 21:25:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:25:49,168 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 21:25:49,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 21:25:49,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639066886] [2023-04-02 21:25:49,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639066886] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 21:25:49,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 21:25:49,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 21:25:49,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482133068] [2023-04-02 21:25:49,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 21:25:49,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 21:25:49,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 21:25:49,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 21:25:49,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-04-02 21:25:49,172 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 21:25:50,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 21:25:50,531 INFO L93 Difference]: Finished difference Result 217 states and 259 transitions. [2023-04-02 21:25:50,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-02 21:25:50,532 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 21:25:50,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 21:25:50,535 INFO L225 Difference]: With dead ends: 217 [2023-04-02 21:25:50,535 INFO L226 Difference]: Without dead ends: 211 [2023-04-02 21:25:50,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2023-04-02 21:25:50,537 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 510 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 1647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-02 21:25:50,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 114 Invalid, 1647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-02 21:25:50,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-04-02 21:25:50,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 185. [2023-04-02 21:25:50,564 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 21:25:50,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 223 transitions. [2023-04-02 21:25:50,565 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 223 transitions. Word has length 31 [2023-04-02 21:25:50,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 21:25:50,566 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 223 transitions. [2023-04-02 21:25:50,566 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 21:25:50,566 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 223 transitions. [2023-04-02 21:25:50,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-04-02 21:25:50,567 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 21:25:50,567 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 21:25:50,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 21:25:50,567 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 21:25:50,568 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 21:25:50,568 INFO L85 PathProgramCache]: Analyzing trace with hash -686454838, now seen corresponding path program 1 times [2023-04-02 21:25:50,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 21:25:50,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771461189] [2023-04-02 21:25:50,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:25:50,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 21:25:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:25:52,021 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 21:25:52,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 21:25:52,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771461189] [2023-04-02 21:25:52,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771461189] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 21:25:52,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 21:25:52,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-04-02 21:25:52,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262359702] [2023-04-02 21:25:52,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 21:25:52,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 21:25:52,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 21:25:52,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 21:25:52,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2023-04-02 21:25:52,025 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 21:25:53,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 21:25:53,591 INFO L93 Difference]: Finished difference Result 303 states and 372 transitions. [2023-04-02 21:25:53,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 21:25:53,592 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 21:25:53,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 21:25:53,597 INFO L225 Difference]: With dead ends: 303 [2023-04-02 21:25:53,597 INFO L226 Difference]: Without dead ends: 300 [2023-04-02 21:25:53,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=495, Unknown=0, NotChecked=0, Total=600 [2023-04-02 21:25:53,604 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 416 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 1621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-02 21:25:53,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 173 Invalid, 1621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1522 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-02 21:25:53,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2023-04-02 21:25:53,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 272. [2023-04-02 21:25:53,651 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 21:25:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 335 transitions. [2023-04-02 21:25:53,652 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 335 transitions. Word has length 34 [2023-04-02 21:25:53,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 21:25:53,653 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 335 transitions. [2023-04-02 21:25:53,653 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 21:25:53,653 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 335 transitions. [2023-04-02 21:25:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-04-02 21:25:53,655 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 21:25:53,655 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 21:25:53,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 21:25:53,656 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 21:25:53,656 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 21:25:53,656 INFO L85 PathProgramCache]: Analyzing trace with hash -2075132773, now seen corresponding path program 1 times [2023-04-02 21:25:53,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 21:25:53,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174976820] [2023-04-02 21:25:53,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:25:53,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 21:25:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:25:55,080 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 21:25:55,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 21:25:55,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174976820] [2023-04-02 21:25:55,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174976820] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 21:25:55,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 21:25:55,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-04-02 21:25:55,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734178830] [2023-04-02 21:25:55,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 21:25:55,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 21:25:55,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 21:25:55,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 21:25:55,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2023-04-02 21:25:55,084 INFO L87 Difference]: Start difference. First operand 272 states and 335 transitions. Second operand has 17 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 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 21:25:56,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 21:25:56,604 INFO L93 Difference]: Finished difference Result 302 states and 370 transitions. [2023-04-02 21:25:56,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 21:25:56,604 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 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 37 [2023-04-02 21:25:56,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 21:25:56,606 INFO L225 Difference]: With dead ends: 302 [2023-04-02 21:25:56,606 INFO L226 Difference]: Without dead ends: 299 [2023-04-02 21:25:56,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=111, Invalid=591, Unknown=0, NotChecked=0, Total=702 [2023-04-02 21:25:56,607 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 622 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 1616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-02 21:25:56,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 149 Invalid, 1616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1466 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-02 21:25:56,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-04-02 21:25:56,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 272. [2023-04-02 21:25:56,656 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 21:25:56,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 334 transitions. [2023-04-02 21:25:56,659 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 334 transitions. Word has length 37 [2023-04-02 21:25:56,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 21:25:56,661 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 334 transitions. [2023-04-02 21:25:56,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 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 21:25:56,661 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 334 transitions. [2023-04-02 21:25:56,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-04-02 21:25:56,662 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 21:25:56,662 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 21:25:56,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 21:25:56,662 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 21:25:56,662 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 21:25:56,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1255856565, now seen corresponding path program 1 times [2023-04-02 21:25:56,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 21:25:56,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038355199] [2023-04-02 21:25:56,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:25:56,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 21:25:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:25:58,353 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 21:25:58,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 21:25:58,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038355199] [2023-04-02 21:25:58,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038355199] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 21:25:58,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 21:25:58,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-04-02 21:25:58,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812603973] [2023-04-02 21:25:58,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 21:25:58,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 21:25:58,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 21:25:58,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 21:25:58,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2023-04-02 21:25:58,355 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 21:25:59,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 21:25:59,923 INFO L93 Difference]: Finished difference Result 300 states and 366 transitions. [2023-04-02 21:25:59,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 21:25:59,923 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 21:25:59,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 21:25:59,925 INFO L225 Difference]: With dead ends: 300 [2023-04-02 21:25:59,925 INFO L226 Difference]: Without dead ends: 297 [2023-04-02 21:25:59,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=537, Unknown=0, NotChecked=0, Total=650 [2023-04-02 21:25:59,926 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 767 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 1551 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 1745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-02 21:25:59,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [770 Valid, 151 Invalid, 1745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1551 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-02 21:25:59,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-04-02 21:25:59,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 272. [2023-04-02 21:25:59,971 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 21:25:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 333 transitions. [2023-04-02 21:25:59,973 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 333 transitions. Word has length 40 [2023-04-02 21:25:59,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 21:25:59,973 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 333 transitions. [2023-04-02 21:25:59,974 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 21:25:59,974 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 333 transitions. [2023-04-02 21:25:59,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-02 21:25:59,980 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 21:25:59,980 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 21:25:59,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 21:25:59,981 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 21:25:59,981 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 21:25:59,981 INFO L85 PathProgramCache]: Analyzing trace with hash -445773496, now seen corresponding path program 1 times [2023-04-02 21:25:59,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 21:25:59,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512787104] [2023-04-02 21:25:59,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:25:59,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 21:26:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:26:01,740 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 21:26:01,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 21:26:01,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512787104] [2023-04-02 21:26:01,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512787104] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 21:26:01,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 21:26:01,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-04-02 21:26:01,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428158238] [2023-04-02 21:26:01,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 21:26:01,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 21:26:01,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 21:26:01,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 21:26:01,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2023-04-02 21:26:01,742 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 21:26:03,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 21:26:03,574 INFO L93 Difference]: Finished difference Result 300 states and 366 transitions. [2023-04-02 21:26:03,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 21:26:03,575 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 21:26:03,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 21:26:03,577 INFO L225 Difference]: With dead ends: 300 [2023-04-02 21:26:03,577 INFO L226 Difference]: Without dead ends: 297 [2023-04-02 21:26:03,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=104, Invalid=546, Unknown=0, NotChecked=0, Total=650 [2023-04-02 21:26:03,578 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 361 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2023-04-02 21:26:03,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 192 Invalid, 1856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-02 21:26:03,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-04-02 21:26:03,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 272. [2023-04-02 21:26:03,642 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 21:26:03,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 332 transitions. [2023-04-02 21:26:03,645 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 332 transitions. Word has length 43 [2023-04-02 21:26:03,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 21:26:03,646 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 332 transitions. [2023-04-02 21:26:03,646 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 21:26:03,646 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 332 transitions. [2023-04-02 21:26:03,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-02 21:26:03,647 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 21:26:03,648 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 21:26:03,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 21:26:03,648 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 21:26:03,649 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 21:26:03,649 INFO L85 PathProgramCache]: Analyzing trace with hash -379097290, now seen corresponding path program 1 times [2023-04-02 21:26:03,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 21:26:03,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196812551] [2023-04-02 21:26:03,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:26:03,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 21:26:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:26:05,957 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 21:26:05,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 21:26:05,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196812551] [2023-04-02 21:26:05,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196812551] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 21:26:05,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283812900] [2023-04-02 21:26:05,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 21:26:05,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 21:26:05,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 21:26:05,963 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 21:26:05,967 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 21:26:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 21:26:06,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 133 conjunts are in the unsatisfiable core [2023-04-02 21:26:06,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 21:26:06,393 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 21:26:06,401 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 21:26:06,605 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 21:26:06,781 INFO L321 Elim1Store]: treesize reduction 49, result has 31.0 percent of original size [2023-04-02 21:26:06,782 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 21:26:06,801 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 21:26:07,167 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-04-02 21:26:07,168 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 509 treesize of output 501 [2023-04-02 21:26:07,189 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 126 treesize of output 126 [2023-04-02 21:26:07,296 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 21:26:07,318 INFO L321 Elim1Store]: treesize reduction 42, result has 25.0 percent of original size [2023-04-02 21:26:07,318 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 68 treesize of output 51 [2023-04-02 21:26:07,356 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 21:26:07,363 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-04-02 21:26:07,364 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 21:26:07,376 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-04-02 21:26:07,376 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 31 treesize of output 14 [2023-04-02 21:26:07,406 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 21:26:10,674 INFO L321 Elim1Store]: treesize reduction 298, result has 45.7 percent of original size [2023-04-02 21:26:10,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 33 case distinctions, treesize of input 1923 treesize of output 2325 [2023-04-02 21:26:11,078 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 25 treesize of output 24 [2023-04-02 21:26:11,351 INFO L321 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2023-04-02 21:26:11,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 359 treesize of output 401 [2023-04-02 21:26:12,071 INFO L321 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2023-04-02 21:26:12,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 56 treesize of output 47 [2023-04-02 21:26:12,182 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2023-04-02 21:26:12,182 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 2 case distinctions, treesize of input 27 treesize of output 5 [2023-04-02 21:26:12,356 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2023-04-02 21:26:12,356 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 2 case distinctions, treesize of input 27 treesize of output 5 [2023-04-02 21:26:16,106 INFO L321 Elim1Store]: treesize reduction 36, result has 59.1 percent of original size [2023-04-02 21:26:16,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 121 treesize of output 156 [2023-04-02 21:26:19,212 INFO L321 Elim1Store]: treesize reduction 8, result has 98.8 percent of original size [2023-04-02 21:26:19,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 613 treesize of output 1182 [2023-04-02 21:26:26,597 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 61 treesize of output 49 [2023-04-02 21:27:05,185 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 65 treesize of output 53 [2023-04-02 21:27:16,077 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 57 treesize of output 47 [2023-04-02 21:27:16,629 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 21:27:17,033 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 21:27:17,917 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 45 treesize of output 35 [2023-04-02 21:27:19,310 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 21:27:20,422 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 21:27:21,038 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:21,150 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:21,205 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:21,527 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:21,865 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:22,185 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:22,421 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 21:27:23,409 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 41 treesize of output 33 [2023-04-02 21:27:24,521 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:25,021 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:27,183 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:28,341 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 21:27:28,784 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:29,511 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:29,900 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:31,665 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 45 treesize of output 37 [2023-04-02 21:27:32,166 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 53 treesize of output 43 [2023-04-02 21:27:37,498 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 37 treesize of output 29 [2023-04-02 21:27:37,546 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 37 treesize of output 29 [2023-04-02 21:27:38,436 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:38,459 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:38,555 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:39,004 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:39,070 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:39,236 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:39,764 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:39,799 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:39,816 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:40,273 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:40,289 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:41,125 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 37 treesize of output 29 [2023-04-02 21:27:41,538 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 29 treesize of output 23 [2023-04-02 21:27:41,643 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:42,393 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:42,946 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:43,331 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:27:44,641 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 61 treesize of output 49 [2023-04-02 21:28:06,092 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:28:06,730 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 115 treesize of output 109 [2023-04-02 21:28:07,004 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:28:09,462 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:28:09,584 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:28:09,782 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:28:11,653 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 21:28:12,328 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:28:12,367 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 21:28:12,447 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:28:12,525 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:28:14,456 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:28:16,588 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:28:24,876 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 131 treesize of output 123 [2023-04-02 21:28:28,590 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 88 treesize of output 80 [2023-04-02 21:28:28,692 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 21:28:30,315 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 96 treesize of output 86 [2023-04-02 21:28:33,952 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 21:28:34,381 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 88 treesize of output 80 [2023-04-02 21:28:34,735 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 21:28:35,628 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 7 treesize of output 5 [2023-04-02 21:28:36,173 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 21:28:36,640 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 7 treesize of output 5 [2023-04-02 21:28:37,168 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 80 treesize of output 74 [2023-04-02 21:28:38,073 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 21:28:39,567 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 88 treesize of output 80 [2023-04-02 21:28:43,076 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 80 treesize of output 74 [2023-04-02 21:28:43,579 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 21:28:45,556 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 119 treesize of output 113 [2023-04-02 21:28:46,577 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 119 treesize of output 113 [2023-04-02 21:28:57,587 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 17 treesize of output 13 [2023-04-02 21:28:57,794 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:28:58,038 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:28:58,054 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:28:58,150 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:28:58,308 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:28:58,608 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 25 treesize of output 19 [2023-04-02 21:29:00,329 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:01,342 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:01,973 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:10,539 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:15,219 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:22,364 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:22,555 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:23,700 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:25,105 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:25,651 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:25,702 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:25,758 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:27,575 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:28,464 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 17 treesize of output 13 [2023-04-02 21:29:29,757 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:30,528 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:31,122 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:31,323 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:32,236 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:32,257 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:32,315 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:32,449 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:33,544 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:33,758 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 21:29:33,914 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:34,035 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:35,279 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:43,563 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-02 21:29:45,957 WARN L207 Elim1Store]: Array PQE input equivalent to false