/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 22:47:19,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 22:47:19,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 22:47:19,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 22:47:19,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 22:47:19,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 22:47:19,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 22:47:19,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 22:47:19,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 22:47:19,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 22:47:19,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 22:47:19,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 22:47:19,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 22:47:19,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 22:47:19,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 22:47:19,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 22:47:19,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 22:47:19,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 22:47:19,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 22:47:19,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 22:47:19,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 22:47:19,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 22:47:19,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 22:47:19,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 22:47:19,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 22:47:19,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 22:47:19,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 22:47:19,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 22:47:19,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 22:47:19,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 22:47:19,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 22:47:19,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 22:47:19,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 22:47:19,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 22:47:19,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 22:47:19,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 22:47:19,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 22:47:19,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 22:47:19,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 22:47:19,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 22:47:19,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 22:47:19,189 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 22:47:19,202 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 22:47:19,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 22:47:19,203 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 22:47:19,203 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 22:47:19,203 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 22:47:19,203 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 22:47:19,203 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 22:47:19,204 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 22:47:19,204 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 22:47:19,204 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 22:47:19,204 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 22:47:19,204 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 22:47:19,204 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 22:47:19,204 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 22:47:19,204 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 22:47:19,204 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 22:47:19,204 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 22:47:19,204 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 22:47:19,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 22:47:19,205 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 22:47:19,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 22:47:19,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 22:47:19,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 22:47:19,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 22:47:19,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 22:47:19,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 22:47:19,206 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 22:47:19,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 22:47:19,206 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 22:47:19,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 22:47:19,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 22:47:19,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 22:47:19,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:47:19,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 22:47:19,206 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 22:47:19,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 22:47:19,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 22:47:19,207 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 22:47:19,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 22:47:19,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 22:47:19,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 22:47:19,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 22:47:19,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 22:47:19,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 22:47:19,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 22:47:19,396 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 22:47:19,396 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 22:47:19,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i [2023-03-31 22:47:20,364 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 22:47:20,546 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 22:47:20,547 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i [2023-03-31 22:47:20,561 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4884c909/a4c3371b710f4564b097ab3d45a74a57/FLAG861bd1dd6 [2023-03-31 22:47:20,924 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4884c909/a4c3371b710f4564b097ab3d45a74a57 [2023-03-31 22:47:20,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 22:47:20,926 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 22:47:20,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 22:47:20,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 22:47:20,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 22:47:20,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:47:20" (1/1) ... [2023-03-31 22:47:20,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15409044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:47:20, skipping insertion in model container [2023-03-31 22:47:20,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:47:20" (1/1) ... [2023-03-31 22:47:20,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 22:47:20,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 22:47:21,213 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] [2023-03-31 22:47:21,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:47:21,272 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 22:47:21,325 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] [2023-03-31 22:47:21,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:47:21,377 INFO L208 MainTranslator]: Completed translation [2023-03-31 22:47:21,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:47:21 WrapperNode [2023-03-31 22:47:21,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 22:47:21,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 22:47:21,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 22:47:21,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 22:47:21,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:47:21" (1/1) ... [2023-03-31 22:47:21,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:47:21" (1/1) ... [2023-03-31 22:47:21,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:47:21" (1/1) ... [2023-03-31 22:47:21,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:47:21" (1/1) ... [2023-03-31 22:47:21,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:47:21" (1/1) ... [2023-03-31 22:47:21,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:47:21" (1/1) ... [2023-03-31 22:47:21,469 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:47:21" (1/1) ... [2023-03-31 22:47:21,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:47:21" (1/1) ... [2023-03-31 22:47:21,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 22:47:21,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 22:47:21,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 22:47:21,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 22:47:21,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:47:21" (1/1) ... [2023-03-31 22:47:21,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:47:21,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 22:47:21,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 22:47:21,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 22:47:21,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 22:47:21,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 22:47:21,549 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 22:47:21,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2023-03-31 22:47:21,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2023-03-31 22:47:21,552 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2023-03-31 22:47:21,552 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2023-03-31 22:47:21,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-03-31 22:47:21,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2023-03-31 22:47:21,552 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-03-31 22:47:21,552 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2023-03-31 22:47:21,552 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2023-03-31 22:47:21,552 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2023-03-31 22:47:21,552 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2023-03-31 22:47:21,553 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2023-03-31 22:47:21,553 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2023-03-31 22:47:21,553 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2023-03-31 22:47:21,553 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 22:47:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 22:47:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 22:47:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-31 22:47:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-31 22:47:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 22:47:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 22:47:21,553 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2023-03-31 22:47:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2023-03-31 22:47:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-03-31 22:47:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-03-31 22:47:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-03-31 22:47:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-03-31 22:47:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-03-31 22:47:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-03-31 22:47:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-03-31 22:47:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-03-31 22:47:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-03-31 22:47:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-03-31 22:47:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-03-31 22:47:21,554 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-03-31 22:47:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-03-31 22:47:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-03-31 22:47:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-03-31 22:47:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-03-31 22:47:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-03-31 22:47:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-03-31 22:47:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-03-31 22:47:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-03-31 22:47:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-03-31 22:47:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-03-31 22:47:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-03-31 22:47:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-03-31 22:47:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-03-31 22:47:21,555 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-03-31 22:47:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-03-31 22:47:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-03-31 22:47:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-03-31 22:47:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-03-31 22:47:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-03-31 22:47:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-03-31 22:47:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-03-31 22:47:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-03-31 22:47:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-03-31 22:47:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-03-31 22:47:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-03-31 22:47:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-03-31 22:47:21,556 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-03-31 22:47:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-03-31 22:47:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-03-31 22:47:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-03-31 22:47:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-03-31 22:47:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-03-31 22:47:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-03-31 22:47:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-03-31 22:47:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-03-31 22:47:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-03-31 22:47:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-03-31 22:47:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-03-31 22:47:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 22:47:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-31 22:47:21,557 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-03-31 22:47:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 22:47:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2023-03-31 22:47:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-03-31 22:47:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-03-31 22:47:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-03-31 22:47:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-03-31 22:47:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-03-31 22:47:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 22:47:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-03-31 22:47:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-03-31 22:47:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-03-31 22:47:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-03-31 22:47:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-03-31 22:47:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-03-31 22:47:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-03-31 22:47:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-03-31 22:47:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-03-31 22:47:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-03-31 22:47:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-03-31 22:47:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-03-31 22:47:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-03-31 22:47:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-03-31 22:47:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-03-31 22:47:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-03-31 22:47:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-03-31 22:47:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-03-31 22:47:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-03-31 22:47:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-03-31 22:47:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-03-31 22:47:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-03-31 22:47:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-03-31 22:47:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-03-31 22:47:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-03-31 22:47:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-03-31 22:47:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-03-31 22:47:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-03-31 22:47:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-03-31 22:47:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-03-31 22:47:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-03-31 22:47:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-03-31 22:47:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-03-31 22:47:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-03-31 22:47:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-03-31 22:47:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-03-31 22:47:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-03-31 22:47:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-03-31 22:47:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2023-03-31 22:47:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2023-03-31 22:47:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2023-03-31 22:47:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2023-03-31 22:47:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2023-03-31 22:47:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2023-03-31 22:47:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2023-03-31 22:47:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2023-03-31 22:47:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2023-03-31 22:47:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2023-03-31 22:47:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2023-03-31 22:47:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2023-03-31 22:47:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2023-03-31 22:47:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2023-03-31 22:47:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2023-03-31 22:47:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2023-03-31 22:47:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2023-03-31 22:47:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2023-03-31 22:47:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2023-03-31 22:47:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2023-03-31 22:47:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2023-03-31 22:47:21,562 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2023-03-31 22:47:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2023-03-31 22:47:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2023-03-31 22:47:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2023-03-31 22:47:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-03-31 22:47:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-03-31 22:47:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2023-03-31 22:47:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-03-31 22:47:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2023-03-31 22:47:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2023-03-31 22:47:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2023-03-31 22:47:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2023-03-31 22:47:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2023-03-31 22:47:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2023-03-31 22:47:21,563 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2023-03-31 22:47:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2023-03-31 22:47:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-03-31 22:47:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 22:47:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-03-31 22:47:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2023-03-31 22:47:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2023-03-31 22:47:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2023-03-31 22:47:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-03-31 22:47:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-03-31 22:47:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2023-03-31 22:47:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2023-03-31 22:47:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2023-03-31 22:47:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2023-03-31 22:47:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2023-03-31 22:47:21,564 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2023-03-31 22:47:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2023-03-31 22:47:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2023-03-31 22:47:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-03-31 22:47:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2023-03-31 22:47:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2023-03-31 22:47:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2023-03-31 22:47:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2023-03-31 22:47:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2023-03-31 22:47:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2023-03-31 22:47:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2023-03-31 22:47:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-03-31 22:47:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2023-03-31 22:47:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2023-03-31 22:47:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2023-03-31 22:47:21,565 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2023-03-31 22:47:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2023-03-31 22:47:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-03-31 22:47:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2023-03-31 22:47:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2023-03-31 22:47:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2023-03-31 22:47:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2023-03-31 22:47:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-03-31 22:47:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 22:47:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2023-03-31 22:47:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2023-03-31 22:47:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-03-31 22:47:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2023-03-31 22:47:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2023-03-31 22:47:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2023-03-31 22:47:21,566 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2023-03-31 22:47:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2023-03-31 22:47:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2023-03-31 22:47:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2023-03-31 22:47:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2023-03-31 22:47:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2023-03-31 22:47:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2023-03-31 22:47:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2023-03-31 22:47:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-03-31 22:47:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2023-03-31 22:47:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2023-03-31 22:47:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2023-03-31 22:47:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2023-03-31 22:47:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2023-03-31 22:47:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2023-03-31 22:47:21,567 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2023-03-31 22:47:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2023-03-31 22:47:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2023-03-31 22:47:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2023-03-31 22:47:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2023-03-31 22:47:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2023-03-31 22:47:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 22:47:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2023-03-31 22:47:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2023-03-31 22:47:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 22:47:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-03-31 22:47:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 22:47:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2023-03-31 22:47:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-03-31 22:47:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2023-03-31 22:47:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2023-03-31 22:47:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 22:47:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 22:47:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2023-03-31 22:47:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2023-03-31 22:47:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 22:47:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2023-03-31 22:47:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 22:47:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2023-03-31 22:47:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2023-03-31 22:47:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 22:47:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 22:47:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 22:47:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-31 22:47:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 22:47:21,817 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 22:47:21,819 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 22:47:22,075 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 22:47:22,115 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 22:47:22,116 INFO L302 CfgBuilder]: Removed 41 assume(true) statements. [2023-03-31 22:47:22,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:47:22 BoogieIcfgContainer [2023-03-31 22:47:22,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 22:47:22,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 22:47:22,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 22:47:22,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 22:47:22,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 10:47:20" (1/3) ... [2023-03-31 22:47:22,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7537e253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:47:22, skipping insertion in model container [2023-03-31 22:47:22,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:47:21" (2/3) ... [2023-03-31 22:47:22,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7537e253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:47:22, skipping insertion in model container [2023-03-31 22:47:22,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:47:22" (3/3) ... [2023-03-31 22:47:22,123 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux-1.i [2023-03-31 22:47:22,135 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 22:47:22,136 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 22:47:22,180 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 22:47:22,185 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;@824c85b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 22:47:22,185 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 22:47:22,193 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) [2023-03-31 22:47:22,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-03-31 22:47:22,198 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:47:22,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 22:47:22,198 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:47:22,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:47:22,202 INFO L85 PathProgramCache]: Analyzing trace with hash -2004553619, now seen corresponding path program 1 times [2023-03-31 22:47:22,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:47:22,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734590037] [2023-03-31 22:47:22,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:47:22,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:47:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:47:22,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 22:47:22,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:47:22,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734590037] [2023-03-31 22:47:22,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734590037] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 22:47:22,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 22:47:22,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 22:47:22,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294727534] [2023-03-31 22:47:22,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 22:47:22,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 22:47:22,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 22:47:22,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 22:47:22,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 22:47:22,383 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) [2023-03-31 22:47:22,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 22:47:22,470 INFO L93 Difference]: Finished difference Result 258 states and 425 transitions. [2023-03-31 22:47:22,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 22:47:22,473 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 [2023-03-31 22:47:22,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 22:47:22,480 INFO L225 Difference]: With dead ends: 258 [2023-03-31 22:47:22,480 INFO L226 Difference]: Without dead ends: 120 [2023-03-31 22:47:22,487 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 [2023-03-31 22:47:22,491 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 [2023-03-31 22:47:22,492 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] [2023-03-31 22:47:22,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-03-31 22:47:22,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2023-03-31 22:47:22,529 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) [2023-03-31 22:47:22,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2023-03-31 22:47:22,533 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 13 [2023-03-31 22:47:22,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 22:47:22,533 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2023-03-31 22:47:22,533 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) [2023-03-31 22:47:22,534 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2023-03-31 22:47:22,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-03-31 22:47:22,536 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:47:22,536 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] [2023-03-31 22:47:22,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 22:47:22,536 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:47:22,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:47:22,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1002277789, now seen corresponding path program 1 times [2023-03-31 22:47:22,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:47:22,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739099696] [2023-03-31 22:47:22,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:47:22,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:47:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:47:22,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 22:47:22,718 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:47:22,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739099696] [2023-03-31 22:47:22,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739099696] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 22:47:22,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 22:47:22,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 22:47:22,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200432318] [2023-03-31 22:47:22,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 22:47:22,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 22:47:22,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 22:47:22,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 22:47:22,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-03-31 22:47:22,721 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) [2023-03-31 22:47:22,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 22:47:22,860 INFO L93 Difference]: Finished difference Result 122 states and 142 transitions. [2023-03-31 22:47:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 22:47:22,860 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 [2023-03-31 22:47:22,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 22:47:22,862 INFO L225 Difference]: With dead ends: 122 [2023-03-31 22:47:22,862 INFO L226 Difference]: Without dead ends: 119 [2023-03-31 22:47:22,862 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 [2023-03-31 22:47:22,863 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 [2023-03-31 22:47:22,863 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] [2023-03-31 22:47:22,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-03-31 22:47:22,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2023-03-31 22:47:22,874 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) [2023-03-31 22:47:22,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2023-03-31 22:47:22,874 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 28 [2023-03-31 22:47:22,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 22:47:22,875 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2023-03-31 22:47:22,876 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) [2023-03-31 22:47:22,876 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2023-03-31 22:47:22,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-03-31 22:47:22,877 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:47:22,877 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] [2023-03-31 22:47:22,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 22:47:22,877 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:47:22,877 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:47:22,877 INFO L85 PathProgramCache]: Analyzing trace with hash -22072565, now seen corresponding path program 1 times [2023-03-31 22:47:22,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:47:22,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9587309] [2023-03-31 22:47:22,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:47:22,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:47:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:47:23,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 22:47:23,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:47:23,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9587309] [2023-03-31 22:47:23,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9587309] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 22:47:23,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 22:47:23,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-03-31 22:47:23,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848893048] [2023-03-31 22:47:23,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 22:47:23,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-03-31 22:47:23,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 22:47:23,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-03-31 22:47:23,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-03-31 22:47:23,502 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) [2023-03-31 22:47:24,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 22:47:24,505 INFO L93 Difference]: Finished difference Result 217 states and 259 transitions. [2023-03-31 22:47:24,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-31 22:47:24,506 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 [2023-03-31 22:47:24,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 22:47:24,511 INFO L225 Difference]: With dead ends: 217 [2023-03-31 22:47:24,511 INFO L226 Difference]: Without dead ends: 211 [2023-03-31 22:47:24,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2023-03-31 22:47:24,517 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 510 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2023-03-31 22:47:24,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 114 Invalid, 1647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-31 22:47:24,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-03-31 22:47:24,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 185. [2023-03-31 22:47:24,549 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) [2023-03-31 22:47:24,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 223 transitions. [2023-03-31 22:47:24,550 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 223 transitions. Word has length 31 [2023-03-31 22:47:24,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 22:47:24,551 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 223 transitions. [2023-03-31 22:47:24,551 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) [2023-03-31 22:47:24,551 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 223 transitions. [2023-03-31 22:47:24,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-03-31 22:47:24,551 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:47:24,552 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] [2023-03-31 22:47:24,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 22:47:24,552 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:47:24,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:47:24,552 INFO L85 PathProgramCache]: Analyzing trace with hash -686454838, now seen corresponding path program 1 times [2023-03-31 22:47:24,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:47:24,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581736444] [2023-03-31 22:47:24,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:47:24,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:47:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:47:25,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 22:47:25,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:47:25,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581736444] [2023-03-31 22:47:25,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581736444] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 22:47:25,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 22:47:25,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-03-31 22:47:25,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134957302] [2023-03-31 22:47:25,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 22:47:25,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-03-31 22:47:25,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 22:47:25,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-03-31 22:47:25,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2023-03-31 22:47:25,673 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) [2023-03-31 22:47:26,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 22:47:26,856 INFO L93 Difference]: Finished difference Result 303 states and 372 transitions. [2023-03-31 22:47:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-03-31 22:47:26,857 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 [2023-03-31 22:47:26,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 22:47:26,858 INFO L225 Difference]: With dead ends: 303 [2023-03-31 22:47:26,858 INFO L226 Difference]: Without dead ends: 300 [2023-03-31 22:47:26,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=495, Unknown=0, NotChecked=0, Total=600 [2023-03-31 22:47:26,859 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 416 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2023-03-31 22:47:26,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 173 Invalid, 1621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1522 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-03-31 22:47:26,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2023-03-31 22:47:26,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 272. [2023-03-31 22:47:26,882 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) [2023-03-31 22:47:26,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 335 transitions. [2023-03-31 22:47:26,884 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 335 transitions. Word has length 34 [2023-03-31 22:47:26,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 22:47:26,884 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 335 transitions. [2023-03-31 22:47:26,884 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) [2023-03-31 22:47:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 335 transitions. [2023-03-31 22:47:26,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-03-31 22:47:26,885 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:47:26,885 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] [2023-03-31 22:47:26,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 22:47:26,885 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:47:26,885 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:47:26,885 INFO L85 PathProgramCache]: Analyzing trace with hash -2075132773, now seen corresponding path program 1 times [2023-03-31 22:47:26,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:47:26,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450247171] [2023-03-31 22:47:26,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:47:26,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:47:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:47:27,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 22:47:27,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:47:27,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450247171] [2023-03-31 22:47:27,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450247171] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 22:47:27,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 22:47:27,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-03-31 22:47:27,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107134496] [2023-03-31 22:47:27,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 22:47:27,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-03-31 22:47:27,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 22:47:27,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-03-31 22:47:27,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2023-03-31 22:47:27,809 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) [2023-03-31 22:47:28,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 22:47:28,945 INFO L93 Difference]: Finished difference Result 302 states and 370 transitions. [2023-03-31 22:47:28,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-31 22:47:28,945 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 [2023-03-31 22:47:28,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 22:47:28,947 INFO L225 Difference]: With dead ends: 302 [2023-03-31 22:47:28,947 INFO L226 Difference]: Without dead ends: 299 [2023-03-31 22:47:28,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=591, Unknown=0, NotChecked=0, Total=702 [2023-03-31 22:47:28,948 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 622 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2023-03-31 22:47:28,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 149 Invalid, 1616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1466 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-31 22:47:28,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-03-31 22:47:28,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 272. [2023-03-31 22:47:28,971 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) [2023-03-31 22:47:28,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 334 transitions. [2023-03-31 22:47:28,973 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 334 transitions. Word has length 37 [2023-03-31 22:47:28,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 22:47:28,973 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 334 transitions. [2023-03-31 22:47:28,973 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) [2023-03-31 22:47:28,973 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 334 transitions. [2023-03-31 22:47:28,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-03-31 22:47:28,974 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:47:28,974 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] [2023-03-31 22:47:28,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 22:47:28,974 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:47:28,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:47:28,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1255856565, now seen corresponding path program 1 times [2023-03-31 22:47:28,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:47:28,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881637320] [2023-03-31 22:47:28,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:47:28,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:47:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:47:30,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 22:47:30,205 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:47:30,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881637320] [2023-03-31 22:47:30,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881637320] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 22:47:30,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 22:47:30,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-03-31 22:47:30,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940068249] [2023-03-31 22:47:30,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 22:47:30,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-03-31 22:47:30,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 22:47:30,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-03-31 22:47:30,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2023-03-31 22:47:30,206 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) [2023-03-31 22:47:31,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 22:47:31,369 INFO L93 Difference]: Finished difference Result 300 states and 366 transitions. [2023-03-31 22:47:31,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-03-31 22:47:31,369 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 [2023-03-31 22:47:31,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 22:47:31,371 INFO L225 Difference]: With dead ends: 300 [2023-03-31 22:47:31,371 INFO L226 Difference]: Without dead ends: 297 [2023-03-31 22:47:31,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=537, Unknown=0, NotChecked=0, Total=650 [2023-03-31 22:47:31,373 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 767 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 1551 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2023-03-31 22:47:31,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [770 Valid, 151 Invalid, 1745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1551 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-03-31 22:47:31,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-03-31 22:47:31,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 272. [2023-03-31 22:47:31,403 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) [2023-03-31 22:47:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 333 transitions. [2023-03-31 22:47:31,404 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 333 transitions. Word has length 40 [2023-03-31 22:47:31,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 22:47:31,404 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 333 transitions. [2023-03-31 22:47:31,404 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) [2023-03-31 22:47:31,405 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 333 transitions. [2023-03-31 22:47:31,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-03-31 22:47:31,410 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:47:31,410 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] [2023-03-31 22:47:31,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 22:47:31,410 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:47:31,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:47:31,410 INFO L85 PathProgramCache]: Analyzing trace with hash -445773496, now seen corresponding path program 1 times [2023-03-31 22:47:31,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:47:31,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256349682] [2023-03-31 22:47:31,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:47:31,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:47:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:47:32,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 22:47:32,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:47:32,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256349682] [2023-03-31 22:47:32,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256349682] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 22:47:32,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 22:47:32,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-03-31 22:47:32,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243480233] [2023-03-31 22:47:32,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 22:47:32,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-03-31 22:47:32,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 22:47:32,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-03-31 22:47:32,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2023-03-31 22:47:32,660 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) [2023-03-31 22:47:34,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 22:47:34,060 INFO L93 Difference]: Finished difference Result 300 states and 366 transitions. [2023-03-31 22:47:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-31 22:47:34,060 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 [2023-03-31 22:47:34,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 22:47:34,065 INFO L225 Difference]: With dead ends: 300 [2023-03-31 22:47:34,066 INFO L226 Difference]: Without dead ends: 297 [2023-03-31 22:47:34,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=104, Invalid=546, Unknown=0, NotChecked=0, Total=650 [2023-03-31 22:47:34,073 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 361 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 1856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-03-31 22:47:34,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 192 Invalid, 1856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-03-31 22:47:34,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-03-31 22:47:34,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 272. [2023-03-31 22:47:34,096 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) [2023-03-31 22:47:34,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 332 transitions. [2023-03-31 22:47:34,097 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 332 transitions. Word has length 43 [2023-03-31 22:47:34,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 22:47:34,097 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 332 transitions. [2023-03-31 22:47:34,097 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) [2023-03-31 22:47:34,097 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 332 transitions. [2023-03-31 22:47:34,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-03-31 22:47:34,098 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:47:34,098 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] [2023-03-31 22:47:34,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 22:47:34,098 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:47:34,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:47:34,098 INFO L85 PathProgramCache]: Analyzing trace with hash -379097290, now seen corresponding path program 1 times [2023-03-31 22:47:34,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:47:34,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138714399] [2023-03-31 22:47:34,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:47:34,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:47:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:47:35,698 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-31 22:47:35,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:47:35,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138714399] [2023-03-31 22:47:35,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138714399] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 22:47:35,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349712198] [2023-03-31 22:47:35,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:47:35,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 22:47:35,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 22:47:35,701 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) [2023-03-31 22:47:35,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 22:47:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:47:35,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 133 conjunts are in the unsatisfiable core [2023-03-31 22:47:35,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 22:47:36,022 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 [2023-03-31 22:47:36,029 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 [2023-03-31 22:47:36,146 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 [2023-03-31 22:47:36,260 INFO L321 Elim1Store]: treesize reduction 49, result has 31.0 percent of original size [2023-03-31 22:47:36,260 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 [2023-03-31 22:47:36,271 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 [2023-03-31 22:47:36,536 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-03-31 22:47:36,536 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 [2023-03-31 22:47:36,559 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 [2023-03-31 22:47:36,633 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 [2023-03-31 22:47:36,651 INFO L321 Elim1Store]: treesize reduction 42, result has 25.0 percent of original size [2023-03-31 22:47:36,651 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 [2023-03-31 22:47:36,671 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 [2023-03-31 22:47:36,676 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-03-31 22:47:36,676 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 [2023-03-31 22:47:36,685 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-03-31 22:47:36,685 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 [2023-03-31 22:47:36,705 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 [2023-03-31 22:47:39,586 INFO L321 Elim1Store]: treesize reduction 298, result has 45.7 percent of original size [2023-03-31 22:47:39,587 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 [2023-03-31 22:47:39,846 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 [2023-03-31 22:47:40,024 INFO L321 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2023-03-31 22:47:40,025 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 [2023-03-31 22:47:40,494 INFO L321 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2023-03-31 22:47:40,494 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 [2023-03-31 22:47:40,564 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2023-03-31 22:47:40,564 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 [2023-03-31 22:47:40,710 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2023-03-31 22:47:40,710 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 [2023-03-31 22:47:43,456 INFO L321 Elim1Store]: treesize reduction 36, result has 59.1 percent of original size [2023-03-31 22:47:43,456 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 [2023-03-31 22:47:46,207 INFO L321 Elim1Store]: treesize reduction 8, result has 98.8 percent of original size [2023-03-31 22:47:46,208 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 [2023-03-31 22:47:53,116 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