/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 EqDomain -i ../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 10:50:59,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 10:50:59,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 10:50:59,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 10:50:59,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 10:50:59,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 10:50:59,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 10:50:59,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 10:50:59,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 10:50:59,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 10:50:59,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 10:50:59,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 10:50:59,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 10:50:59,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 10:50:59,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 10:50:59,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 10:50:59,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 10:50:59,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 10:50:59,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 10:50:59,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 10:50:59,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 10:50:59,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 10:50:59,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 10:50:59,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 10:50:59,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 10:50:59,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 10:50:59,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 10:50:59,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 10:50:59,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 10:50:59,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 10:50:59,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 10:50:59,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 10:50:59,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 10:50:59,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 10:50:59,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 10:50:59,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 10:50:59,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 10:50:59,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 10:50:59,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 10:50:59,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 10:50:59,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 10:50:59,554 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 10:50:59,583 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 10:50:59,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 10:50:59,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 10:50:59,583 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 10:50:59,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 10:50:59,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 10:50:59,584 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 10:50:59,585 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 10:50:59,585 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 10:50:59,585 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 10:50:59,585 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 10:50:59,586 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 10:50:59,586 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 10:50:59,586 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 10:50:59,586 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 10:50:59,586 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 10:50:59,586 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 10:50:59,586 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 10:50:59,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 10:50:59,587 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 10:50:59,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 10:50:59,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 10:50:59,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 10:50:59,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 10:50:59,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 10:50:59,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 10:50:59,588 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 10:50:59,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 10:50:59,588 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 10:50:59,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 10:50:59,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 10:50:59,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 10:50:59,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:50:59,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 10:50:59,589 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 10:50:59,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 10:50:59,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 10:50:59,590 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 10:50:59,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 10:50:59,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 10:50:59,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 10:50:59,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 10:50:59,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 10:50:59,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 10:50:59,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 10:50:59,860 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 10:50:59,871 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 10:50:59,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i [2023-04-01 10:51:01,019 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 10:51:01,316 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 10:51:01,317 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i [2023-04-01 10:51:01,331 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/020f8721d/89aa0cfc478b409680255423bf8df31b/FLAG7c38daca6 [2023-04-01 10:51:01,348 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/020f8721d/89aa0cfc478b409680255423bf8df31b [2023-04-01 10:51:01,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 10:51:01,352 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 10:51:01,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 10:51:01,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 10:51:01,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 10:51:01,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:51:01" (1/1) ... [2023-04-01 10:51:01,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65bf00b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:01, skipping insertion in model container [2023-04-01 10:51:01,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:51:01" (1/1) ... [2023-04-01 10:51:01,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 10:51:01,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 10:51:01,758 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i[33822,33835] [2023-04-01 10:51:01,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:51:01,817 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 10:51:01,845 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i[33822,33835] [2023-04-01 10:51:01,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:51:01,937 INFO L208 MainTranslator]: Completed translation [2023-04-01 10:51:01,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:01 WrapperNode [2023-04-01 10:51:01,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 10:51:01,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 10:51:01,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 10:51:01,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 10:51:01,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:01" (1/1) ... [2023-04-01 10:51:01,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:01" (1/1) ... [2023-04-01 10:51:01,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:01" (1/1) ... [2023-04-01 10:51:01,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:01" (1/1) ... [2023-04-01 10:51:02,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:01" (1/1) ... [2023-04-01 10:51:02,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:01" (1/1) ... [2023-04-01 10:51:02,037 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:01" (1/1) ... [2023-04-01 10:51:02,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:01" (1/1) ... [2023-04-01 10:51:02,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 10:51:02,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 10:51:02,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 10:51:02,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 10:51:02,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:01" (1/1) ... [2023-04-01 10:51:02,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:51:02,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 10:51:02,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 10:51:02,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 10:51:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 10:51:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 10:51:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 10:51:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2023-04-01 10:51:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2023-04-01 10:51:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2023-04-01 10:51:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2023-04-01 10:51:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-01 10:51:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2023-04-01 10:51:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-01 10:51:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2023-04-01 10:51:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2023-04-01 10:51:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2023-04-01 10:51:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2023-04-01 10:51:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2023-04-01 10:51:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2023-04-01 10:51:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2023-04-01 10:51:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 10:51:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 10:51:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 10:51:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 10:51:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 10:51:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 10:51:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 10:51:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2023-04-01 10:51:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2023-04-01 10:51:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-04-01 10:51:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-04-01 10:51:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-04-01 10:51:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-04-01 10:51:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-04-01 10:51:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-04-01 10:51:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-04-01 10:51:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-04-01 10:51:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-04-01 10:51:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-04-01 10:51:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-04-01 10:51:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-04-01 10:51:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-04-01 10:51:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-04-01 10:51:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-04-01 10:51:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-04-01 10:51:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-04-01 10:51:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-04-01 10:51:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-04-01 10:51:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-04-01 10:51:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-04-01 10:51:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-04-01 10:51:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-04-01 10:51:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-04-01 10:51:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-04-01 10:51:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-04-01 10:51:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-04-01 10:51:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-04-01 10:51:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-04-01 10:51:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-04-01 10:51:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-04-01 10:51:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-04-01 10:51:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-04-01 10:51:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-04-01 10:51:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-04-01 10:51:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-04-01 10:51:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-04-01 10:51:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-04-01 10:51:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-04-01 10:51:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-04-01 10:51:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-04-01 10:51:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-04-01 10:51:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-04-01 10:51:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-04-01 10:51:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-04-01 10:51:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-04-01 10:51:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-04-01 10:51:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-04-01 10:51:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-04-01 10:51:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-04-01 10:51:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 10:51:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 10:51:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-04-01 10:51:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 10:51:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2023-04-01 10:51:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-04-01 10:51:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-04-01 10:51:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-04-01 10:51:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-04-01 10:51:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-04-01 10:51:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 10:51:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-04-01 10:51:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-04-01 10:51:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-04-01 10:51:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-04-01 10:51:02,142 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-04-01 10:51:02,142 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-04-01 10:51:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-04-01 10:51:02,144 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-04-01 10:51:02,144 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-04-01 10:51:02,144 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-04-01 10:51:02,144 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-04-01 10:51:02,144 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-04-01 10:51:02,144 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-04-01 10:51:02,145 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-04-01 10:51:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-04-01 10:51:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-04-01 10:51:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-04-01 10:51:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-04-01 10:51:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-04-01 10:51:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-04-01 10:51:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-04-01 10:51:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-04-01 10:51:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-04-01 10:51:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-04-01 10:51:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-04-01 10:51:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-04-01 10:51:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-04-01 10:51:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-04-01 10:51:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-04-01 10:51:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-04-01 10:51:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-04-01 10:51:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-04-01 10:51:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-04-01 10:51:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-04-01 10:51:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-04-01 10:51:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-04-01 10:51:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-04-01 10:51:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-04-01 10:51:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2023-04-01 10:51:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2023-04-01 10:51:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2023-04-01 10:51:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2023-04-01 10:51:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2023-04-01 10:51:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2023-04-01 10:51:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2023-04-01 10:51:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2023-04-01 10:51:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2023-04-01 10:51:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2023-04-01 10:51:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2023-04-01 10:51:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2023-04-01 10:51:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2023-04-01 10:51:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2023-04-01 10:51:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2023-04-01 10:51:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2023-04-01 10:51:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2023-04-01 10:51:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2023-04-01 10:51:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2023-04-01 10:51:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2023-04-01 10:51:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2023-04-01 10:51:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2023-04-01 10:51:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2023-04-01 10:51:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2023-04-01 10:51:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2023-04-01 10:51:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-04-01 10:51:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-04-01 10:51:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2023-04-01 10:51:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-04-01 10:51:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2023-04-01 10:51:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2023-04-01 10:51:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2023-04-01 10:51:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2023-04-01 10:51:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2023-04-01 10:51:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2023-04-01 10:51:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2023-04-01 10:51:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2023-04-01 10:51:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-04-01 10:51:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 10:51:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-01 10:51:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2023-04-01 10:51:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2023-04-01 10:51:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2023-04-01 10:51:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-01 10:51:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2023-04-01 10:51:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2023-04-01 10:51:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2023-04-01 10:51:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2023-04-01 10:51:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2023-04-01 10:51:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2023-04-01 10:51:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2023-04-01 10:51:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2023-04-01 10:51:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2023-04-01 10:51:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-04-01 10:51:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2023-04-01 10:51:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2023-04-01 10:51:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2023-04-01 10:51:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2023-04-01 10:51:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2023-04-01 10:51:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2023-04-01 10:51:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2023-04-01 10:51:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-04-01 10:51:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2023-04-01 10:51:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2023-04-01 10:51:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2023-04-01 10:51:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2023-04-01 10:51:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2023-04-01 10:51:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-04-01 10:51:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2023-04-01 10:51:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2023-04-01 10:51:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2023-04-01 10:51:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2023-04-01 10:51:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-04-01 10:51:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 10:51:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2023-04-01 10:51:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2023-04-01 10:51:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-04-01 10:51:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2023-04-01 10:51:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2023-04-01 10:51:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2023-04-01 10:51:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2023-04-01 10:51:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2023-04-01 10:51:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2023-04-01 10:51:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2023-04-01 10:51:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2023-04-01 10:51:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2023-04-01 10:51:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2023-04-01 10:51:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2023-04-01 10:51:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-04-01 10:51:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2023-04-01 10:51:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2023-04-01 10:51:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2023-04-01 10:51:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2023-04-01 10:51:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2023-04-01 10:51:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2023-04-01 10:51:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2023-04-01 10:51:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2023-04-01 10:51:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2023-04-01 10:51:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2023-04-01 10:51:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2023-04-01 10:51:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2023-04-01 10:51:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 10:51:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2023-04-01 10:51:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2023-04-01 10:51:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 10:51:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-01 10:51:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 10:51:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2023-04-01 10:51:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-01 10:51:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2023-04-01 10:51:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2023-04-01 10:51:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 10:51:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 10:51:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2023-04-01 10:51:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2023-04-01 10:51:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 10:51:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2023-04-01 10:51:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 10:51:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2023-04-01 10:51:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2023-04-01 10:51:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 10:51:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 10:51:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 10:51:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 10:51:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 10:51:02,540 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 10:51:02,542 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 10:51:02,882 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 10:51:02,916 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 10:51:02,917 INFO L302 CfgBuilder]: Removed 41 assume(true) statements. [2023-04-01 10:51:02,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:51:02 BoogieIcfgContainer [2023-04-01 10:51:02,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 10:51:02,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 10:51:02,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 10:51:02,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 10:51:02,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:51:01" (1/3) ... [2023-04-01 10:51:02,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0ef4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:51:02, skipping insertion in model container [2023-04-01 10:51:02,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:51:01" (2/3) ... [2023-04-01 10:51:02,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0ef4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:51:02, skipping insertion in model container [2023-04-01 10:51:02,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:51:02" (3/3) ... [2023-04-01 10:51:02,933 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux-1.i [2023-04-01 10:51:02,949 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 10:51:02,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 10:51:03,006 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 10:51:03,012 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;@e6a6842, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 10:51:03,013 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 10:51:03,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 85 states have (on average 1.7411764705882353) internal successors, (148), 106 states have internal predecessors, (148), 33 states have call successors, (33), 14 states have call predecessors, (33), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-04-01 10:51:03,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-04-01 10:51:03,022 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:51:03,023 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:51:03,023 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:51:03,027 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:51:03,027 INFO L85 PathProgramCache]: Analyzing trace with hash -2004553619, now seen corresponding path program 1 times [2023-04-01 10:51:03,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:51:03,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415167911] [2023-04-01 10:51:03,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:03,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:51:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:03,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:51:03,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:51:03,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415167911] [2023-04-01 10:51:03,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415167911] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:51:03,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:51:03,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 10:51:03,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288087802] [2023-04-01 10:51:03,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:51:03,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 10:51:03,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:51:03,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 10:51:03,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 10:51:03,263 INFO L87 Difference]: Start difference. First operand has 133 states, 85 states have (on average 1.7411764705882353) internal successors, (148), 106 states have internal predecessors, (148), 33 states have call successors, (33), 14 states have call predecessors, (33), 14 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 10:51:03,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:51:03,375 INFO L93 Difference]: Finished difference Result 258 states and 425 transitions. [2023-04-01 10:51:03,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 10:51:03,380 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2023-04-01 10:51:03,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:51:03,393 INFO L225 Difference]: With dead ends: 258 [2023-04-01 10:51:03,394 INFO L226 Difference]: Without dead ends: 120 [2023-04-01 10:51:03,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 10:51:03,407 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 10:51:03,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 10:51:03,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-04-01 10:51:03,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2023-04-01 10:51:03,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 96 states have internal predecessors, (98), 30 states have call successors, (30), 13 states have call predecessors, (30), 11 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-04-01 10:51:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2023-04-01 10:51:03,459 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 13 [2023-04-01 10:51:03,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:51:03,460 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2023-04-01 10:51:03,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 10:51:03,462 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2023-04-01 10:51:03,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-04-01 10:51:03,464 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:51:03,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:51:03,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 10:51:03,465 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:51:03,466 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:51:03,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1002277789, now seen corresponding path program 1 times [2023-04-01 10:51:03,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:51:03,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663237679] [2023-04-01 10:51:03,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:03,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:51:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:03,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:51:03,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:51:03,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663237679] [2023-04-01 10:51:03,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663237679] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:51:03,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:51:03,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 10:51:03,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106906513] [2023-04-01 10:51:03,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:51:03,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 10:51:03,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:51:03,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 10:51:03,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 10:51:03,795 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 10:51:03,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:51:03,988 INFO L93 Difference]: Finished difference Result 122 states and 142 transitions. [2023-04-01 10:51:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 10:51:03,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 28 [2023-04-01 10:51:03,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:51:03,991 INFO L225 Difference]: With dead ends: 122 [2023-04-01 10:51:03,991 INFO L226 Difference]: Without dead ends: 119 [2023-04-01 10:51:03,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-04-01 10:51:03,993 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 194 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 10:51:03,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 272 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 10:51:03,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-04-01 10:51:04,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2023-04-01 10:51:04,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 95 states have internal predecessors, (97), 29 states have call successors, (29), 13 states have call predecessors, (29), 11 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-04-01 10:51:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2023-04-01 10:51:04,008 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 28 [2023-04-01 10:51:04,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:51:04,009 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2023-04-01 10:51:04,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 10:51:04,009 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2023-04-01 10:51:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-04-01 10:51:04,010 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:51:04,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:51:04,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 10:51:04,010 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:51:04,011 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:51:04,011 INFO L85 PathProgramCache]: Analyzing trace with hash -22072565, now seen corresponding path program 1 times [2023-04-01 10:51:04,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:51:04,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59435347] [2023-04-01 10:51:04,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:04,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:51:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:51:04,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:51:04,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59435347] [2023-04-01 10:51:04,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59435347] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:51:04,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:51:04,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-01 10:51:04,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107670051] [2023-04-01 10:51:04,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:51:04,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-01 10:51:04,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:51:04,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-01 10:51:04,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-04-01 10:51:04,721 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand has 14 states, 9 states have (on average 2.0) internal successors, (18), 10 states have internal predecessors, (18), 7 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:06,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:51:06,025 INFO L93 Difference]: Finished difference Result 217 states and 259 transitions. [2023-04-01 10:51:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-01 10:51:06,025 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 9 states have (on average 2.0) internal successors, (18), 10 states have internal predecessors, (18), 7 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 31 [2023-04-01 10:51:06,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:51:06,031 INFO L225 Difference]: With dead ends: 217 [2023-04-01 10:51:06,032 INFO L226 Difference]: Without dead ends: 211 [2023-04-01 10:51:06,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2023-04-01 10:51:06,039 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 510 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 1647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 10:51:06,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 114 Invalid, 1647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 10:51:06,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-04-01 10:51:06,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 185. [2023-04-01 10:51:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 137 states have (on average 1.2554744525547445) internal successors, (172), 154 states have internal predecessors, (172), 33 states have call successors, (33), 16 states have call predecessors, (33), 14 states have return successors, (18), 17 states have call predecessors, (18), 16 states have call successors, (18) [2023-04-01 10:51:06,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 223 transitions. [2023-04-01 10:51:06,089 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 223 transitions. Word has length 31 [2023-04-01 10:51:06,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:51:06,089 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 223 transitions. [2023-04-01 10:51:06,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 9 states have (on average 2.0) internal successors, (18), 10 states have internal predecessors, (18), 7 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:06,090 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 223 transitions. [2023-04-01 10:51:06,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-04-01 10:51:06,090 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:51:06,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:51:06,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 10:51:06,091 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:51:06,091 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:51:06,091 INFO L85 PathProgramCache]: Analyzing trace with hash -686454838, now seen corresponding path program 1 times [2023-04-01 10:51:06,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:51:06,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12728368] [2023-04-01 10:51:06,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:06,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:51:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:51:07,483 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:51:07,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12728368] [2023-04-01 10:51:07,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12728368] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:51:07,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:51:07,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-04-01 10:51:07,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460504454] [2023-04-01 10:51:07,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:51:07,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-01 10:51:07,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:51:07,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-01 10:51:07,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2023-04-01 10:51:07,485 INFO L87 Difference]: Start difference. First operand 185 states and 223 transitions. Second operand has 16 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:08,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:51:08,988 INFO L93 Difference]: Finished difference Result 303 states and 372 transitions. [2023-04-01 10:51:08,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-01 10:51:08,988 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 34 [2023-04-01 10:51:08,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:51:08,994 INFO L225 Difference]: With dead ends: 303 [2023-04-01 10:51:08,994 INFO L226 Difference]: Without dead ends: 300 [2023-04-01 10:51:08,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=495, Unknown=0, NotChecked=0, Total=600 [2023-04-01 10:51:09,004 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 416 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 1621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 10:51:09,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 173 Invalid, 1621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1522 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 10:51:09,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2023-04-01 10:51:09,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 272. [2023-04-01 10:51:09,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 209 states have (on average 1.2583732057416268) internal successors, (263), 227 states have internal predecessors, (263), 42 states have call successors, (42), 20 states have call predecessors, (42), 20 states have return successors, (30), 26 states have call predecessors, (30), 24 states have call successors, (30) [2023-04-01 10:51:09,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 335 transitions. [2023-04-01 10:51:09,052 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 335 transitions. Word has length 34 [2023-04-01 10:51:09,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:51:09,052 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 335 transitions. [2023-04-01 10:51:09,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:09,053 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 335 transitions. [2023-04-01 10:51:09,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-04-01 10:51:09,053 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:51:09,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:51:09,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 10:51:09,054 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:51:09,054 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:51:09,054 INFO L85 PathProgramCache]: Analyzing trace with hash -2075132773, now seen corresponding path program 1 times [2023-04-01 10:51:09,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:51:09,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070567571] [2023-04-01 10:51:09,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:09,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:51:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:10,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:51:10,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:51:10,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070567571] [2023-04-01 10:51:10,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070567571] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:51:10,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:51:10,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-04-01 10:51:10,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870018791] [2023-04-01 10:51:10,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:51:10,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-01 10:51:10,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:51:10,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-01 10:51:10,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2023-04-01 10:51:10,256 INFO L87 Difference]: Start difference. First operand 272 states and 335 transitions. Second operand has 17 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 7 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:11,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:51:11,732 INFO L93 Difference]: Finished difference Result 302 states and 370 transitions. [2023-04-01 10:51:11,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-01 10:51:11,733 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 7 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 37 [2023-04-01 10:51:11,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:51:11,735 INFO L225 Difference]: With dead ends: 302 [2023-04-01 10:51:11,735 INFO L226 Difference]: Without dead ends: 299 [2023-04-01 10:51:11,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=111, Invalid=591, Unknown=0, NotChecked=0, Total=702 [2023-04-01 10:51:11,736 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 622 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 1616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 10:51:11,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 149 Invalid, 1616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1466 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 10:51:11,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-04-01 10:51:11,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 272. [2023-04-01 10:51:11,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 209 states have (on average 1.2535885167464116) internal successors, (262), 227 states have internal predecessors, (262), 42 states have call successors, (42), 20 states have call predecessors, (42), 20 states have return successors, (30), 26 states have call predecessors, (30), 24 states have call successors, (30) [2023-04-01 10:51:11,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 334 transitions. [2023-04-01 10:51:11,794 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 334 transitions. Word has length 37 [2023-04-01 10:51:11,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:51:11,795 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 334 transitions. [2023-04-01 10:51:11,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 7 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:11,795 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 334 transitions. [2023-04-01 10:51:11,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-04-01 10:51:11,796 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:51:11,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:51:11,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 10:51:11,797 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:51:11,797 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:51:11,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1255856565, now seen corresponding path program 1 times [2023-04-01 10:51:11,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:51:11,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346196217] [2023-04-01 10:51:11,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:11,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:51:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:13,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:51:13,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:51:13,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346196217] [2023-04-01 10:51:13,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346196217] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:51:13,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:51:13,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-04-01 10:51:13,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902326147] [2023-04-01 10:51:13,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:51:13,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-01 10:51:13,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:51:13,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-01 10:51:13,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2023-04-01 10:51:13,423 INFO L87 Difference]: Start difference. First operand 272 states and 334 transitions. Second operand has 17 states, 12 states have (on average 2.25) internal successors, (27), 11 states have internal predecessors, (27), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:14,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:51:14,910 INFO L93 Difference]: Finished difference Result 300 states and 366 transitions. [2023-04-01 10:51:14,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-01 10:51:14,911 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 12 states have (on average 2.25) internal successors, (27), 11 states have internal predecessors, (27), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 40 [2023-04-01 10:51:14,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:51:14,913 INFO L225 Difference]: With dead ends: 300 [2023-04-01 10:51:14,913 INFO L226 Difference]: Without dead ends: 297 [2023-04-01 10:51:14,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=537, Unknown=0, NotChecked=0, Total=650 [2023-04-01 10:51:14,914 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 767 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 1551 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 1745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 10:51:14,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [770 Valid, 151 Invalid, 1745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1551 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 10:51:14,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-04-01 10:51:14,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 272. [2023-04-01 10:51:14,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 209 states have (on average 1.2488038277511961) internal successors, (261), 227 states have internal predecessors, (261), 42 states have call successors, (42), 20 states have call predecessors, (42), 20 states have return successors, (30), 26 states have call predecessors, (30), 24 states have call successors, (30) [2023-04-01 10:51:14,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 333 transitions. [2023-04-01 10:51:14,957 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 333 transitions. Word has length 40 [2023-04-01 10:51:14,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:51:14,957 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 333 transitions. [2023-04-01 10:51:14,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 12 states have (on average 2.25) internal successors, (27), 11 states have internal predecessors, (27), 7 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:14,957 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 333 transitions. [2023-04-01 10:51:14,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-01 10:51:14,958 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:51:14,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:51:14,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 10:51:14,959 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:51:14,959 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:51:14,959 INFO L85 PathProgramCache]: Analyzing trace with hash -445773496, now seen corresponding path program 1 times [2023-04-01 10:51:14,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:51:14,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761655063] [2023-04-01 10:51:14,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:14,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:51:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:16,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:51:16,582 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:51:16,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761655063] [2023-04-01 10:51:16,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761655063] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:51:16,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:51:16,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-04-01 10:51:16,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355710262] [2023-04-01 10:51:16,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:51:16,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-01 10:51:16,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:51:16,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-01 10:51:16,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2023-04-01 10:51:16,584 INFO L87 Difference]: Start difference. First operand 272 states and 333 transitions. Second operand has 16 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:18,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:51:18,359 INFO L93 Difference]: Finished difference Result 300 states and 366 transitions. [2023-04-01 10:51:18,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-01 10:51:18,360 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 43 [2023-04-01 10:51:18,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:51:18,361 INFO L225 Difference]: With dead ends: 300 [2023-04-01 10:51:18,361 INFO L226 Difference]: Without dead ends: 297 [2023-04-01 10:51:18,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=104, Invalid=546, Unknown=0, NotChecked=0, Total=650 [2023-04-01 10:51:18,362 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 361 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2023-04-01 10:51:18,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 192 Invalid, 1856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-01 10:51:18,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-04-01 10:51:18,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 272. [2023-04-01 10:51:18,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 209 states have (on average 1.244019138755981) internal successors, (260), 227 states have internal predecessors, (260), 42 states have call successors, (42), 20 states have call predecessors, (42), 20 states have return successors, (30), 26 states have call predecessors, (30), 24 states have call successors, (30) [2023-04-01 10:51:18,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 332 transitions. [2023-04-01 10:51:18,402 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 332 transitions. Word has length 43 [2023-04-01 10:51:18,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:51:18,403 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 332 transitions. [2023-04-01 10:51:18,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 11 states have (on average 2.727272727272727) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-04-01 10:51:18,403 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 332 transitions. [2023-04-01 10:51:18,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-01 10:51:18,405 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:51:18,405 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:51:18,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 10:51:18,405 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:51:18,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:51:18,406 INFO L85 PathProgramCache]: Analyzing trace with hash -379097290, now seen corresponding path program 1 times [2023-04-01 10:51:18,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:51:18,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123403333] [2023-04-01 10:51:18,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:18,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:51:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:20,571 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 10:51:20,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:51:20,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123403333] [2023-04-01 10:51:20,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123403333] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 10:51:20,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645023102] [2023-04-01 10:51:20,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:51:20,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 10:51:20,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 10:51:20,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 10:51:20,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 10:51:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:51:20,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 133 conjunts are in the unsatisfiable core [2023-04-01 10:51:20,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 10:51:20,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-04-01 10:51:21,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-04-01 10:51:21,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2023-04-01 10:51:21,360 INFO L321 Elim1Store]: treesize reduction 49, result has 31.0 percent of original size [2023-04-01 10:51:21,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 68 [2023-04-01 10:51:21,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 67 [2023-04-01 10:51:21,736 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-04-01 10:51:21,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 509 treesize of output 501 [2023-04-01 10:51:21,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 126 [2023-04-01 10:51:21,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-04-01 10:51:21,915 INFO L321 Elim1Store]: treesize reduction 42, result has 25.0 percent of original size [2023-04-01 10:51:21,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 51 [2023-04-01 10:51:21,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2023-04-01 10:51:21,956 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-04-01 10:51:21,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 7 [2023-04-01 10:51:21,967 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-04-01 10:51:21,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 14 [2023-04-01 10:51:21,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-04-01 10:51:25,377 INFO L321 Elim1Store]: treesize reduction 298, result has 45.7 percent of original size [2023-04-01 10:51:25,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 33 case distinctions, treesize of input 1923 treesize of output 2325 [2023-04-01 10:51:25,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2023-04-01 10:51:26,044 INFO L321 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2023-04-01 10:51:26,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 359 treesize of output 401 [2023-04-01 10:51:26,713 INFO L321 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2023-04-01 10:51:26,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 56 treesize of output 47 [2023-04-01 10:51:26,823 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2023-04-01 10:51:26,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 5 [2023-04-01 10:51:27,030 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2023-04-01 10:51:27,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 5 [2023-04-01 10:51:30,665 INFO L321 Elim1Store]: treesize reduction 36, result has 59.1 percent of original size [2023-04-01 10:51:30,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 121 treesize of output 156 [2023-04-01 10:51:33,770 INFO L321 Elim1Store]: treesize reduction 8, result has 98.8 percent of original size [2023-04-01 10:51:33,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 613 treesize of output 1182 [2023-04-01 10:51:41,060 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