/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/forester-heap/dll-rb-cnstr_1-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 10:53:53,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 10:53:53,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 10:53:54,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 10:53:54,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 10:53:54,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 10:53:54,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 10:53:54,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 10:53:54,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 10:53:54,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 10:53:54,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 10:53:54,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 10:53:54,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 10:53:54,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 10:53:54,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 10:53:54,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 10:53:54,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 10:53:54,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 10:53:54,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 10:53:54,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 10:53:54,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 10:53:54,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 10:53:54,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 10:53:54,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 10:53:54,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 10:53:54,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 10:53:54,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 10:53:54,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 10:53:54,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 10:53:54,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 10:53:54,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 10:53:54,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 10:53:54,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 10:53:54,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 10:53:54,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 10:53:54,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 10:53:54,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 10:53:54,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 10:53:54,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 10:53:54,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 10:53:54,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 10:53:54,070 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 10:53:54,102 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 10:53:54,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 10:53:54,102 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 10:53:54,102 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 10:53:54,103 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 10:53:54,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 10:53:54,103 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 10:53:54,103 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 10:53:54,103 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 10:53:54,103 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 10:53:54,103 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 10:53:54,104 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 10:53:54,104 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 10:53:54,104 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 10:53:54,104 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 10:53:54,104 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 10:53:54,104 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 10:53:54,104 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 10:53:54,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 10:53:54,105 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 10:53:54,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 10:53:54,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 10:53:54,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 10:53:54,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 10:53:54,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 10:53:54,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 10:53:54,106 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 10:53:54,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 10:53:54,106 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 10:53:54,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 10:53:54,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 10:53:54,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 10:53:54,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:53:54,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 10:53:54,107 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 10:53:54,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 10:53:54,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 10:53:54,107 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 10:53:54,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 10:53:54,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 10:53:54,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 10:53:54,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 10:53:54,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 10:53:54,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 10:53:54,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 10:53:54,357 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 10:53:54,358 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 10:53:54,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2023-04-01 10:53:55,490 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 10:53:55,740 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 10:53:55,740 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2023-04-01 10:53:55,754 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f14c67e34/97f34ef27e404acd9c838c26b93ebd07/FLAGaf6f9732a [2023-04-01 10:53:55,772 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f14c67e34/97f34ef27e404acd9c838c26b93ebd07 [2023-04-01 10:53:55,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 10:53:55,777 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 10:53:55,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 10:53:55,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 10:53:55,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 10:53:55,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:53:55" (1/1) ... [2023-04-01 10:53:55,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0e9fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:55, skipping insertion in model container [2023-04-01 10:53:55,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:53:55" (1/1) ... [2023-04-01 10:53:55,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 10:53:55,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 10:53:56,045 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/forester-heap/dll-rb-cnstr_1-2.i[22575,22588] [2023-04-01 10:53:56,050 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/forester-heap/dll-rb-cnstr_1-2.i[22647,22660] [2023-04-01 10:53:56,055 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/forester-heap/dll-rb-cnstr_1-2.i[22815,22828] [2023-04-01 10:53:56,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:53:56,074 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 10:53:56,134 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/forester-heap/dll-rb-cnstr_1-2.i[22575,22588] [2023-04-01 10:53:56,135 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/forester-heap/dll-rb-cnstr_1-2.i[22647,22660] [2023-04-01 10:53:56,136 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/forester-heap/dll-rb-cnstr_1-2.i[22815,22828] [2023-04-01 10:53:56,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 10:53:56,162 INFO L208 MainTranslator]: Completed translation [2023-04-01 10:53:56,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:56 WrapperNode [2023-04-01 10:53:56,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 10:53:56,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 10:53:56,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 10:53:56,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 10:53:56,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:56" (1/1) ... [2023-04-01 10:53:56,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:56" (1/1) ... [2023-04-01 10:53:56,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:56" (1/1) ... [2023-04-01 10:53:56,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:56" (1/1) ... [2023-04-01 10:53:56,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:56" (1/1) ... [2023-04-01 10:53:56,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:56" (1/1) ... [2023-04-01 10:53:56,212 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:56" (1/1) ... [2023-04-01 10:53:56,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:56" (1/1) ... [2023-04-01 10:53:56,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 10:53:56,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 10:53:56,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 10:53:56,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 10:53:56,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:56" (1/1) ... [2023-04-01 10:53:56,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 10:53:56,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 10:53:56,253 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 10:53:56,255 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 10:53:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 10:53:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 10:53:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 10:53:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 10:53:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-04-01 10:53:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-04-01 10:53:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-04-01 10:53:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-04-01 10:53:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-04-01 10:53:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-04-01 10:53:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-04-01 10:53:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-04-01 10:53:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-04-01 10:53:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-04-01 10:53:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-04-01 10:53:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-04-01 10:53:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-04-01 10:53:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-04-01 10:53:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-04-01 10:53:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-04-01 10:53:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-04-01 10:53:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-04-01 10:53:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-04-01 10:53:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-04-01 10:53:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-04-01 10:53:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-04-01 10:53:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-04-01 10:53:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-04-01 10:53:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-04-01 10:53:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-04-01 10:53:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-04-01 10:53:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-04-01 10:53:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-04-01 10:53:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-04-01 10:53:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-04-01 10:53:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-04-01 10:53:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-04-01 10:53:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-04-01 10:53:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-04-01 10:53:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-04-01 10:53:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-04-01 10:53:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-04-01 10:53:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-04-01 10:53:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-04-01 10:53:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-04-01 10:53:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-04-01 10:53:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-04-01 10:53:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-04-01 10:53:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-04-01 10:53:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-04-01 10:53:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-04-01 10:53:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-04-01 10:53:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-04-01 10:53:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-04-01 10:53:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 10:53:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 10:53:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-04-01 10:53:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 10:53:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2023-04-01 10:53:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-04-01 10:53:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-04-01 10:53:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-04-01 10:53:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2023-04-01 10:53:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 10:53:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-04-01 10:53:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2023-04-01 10:53:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-04-01 10:53:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 10:53:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2023-04-01 10:53:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-04-01 10:53:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-04-01 10:53:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-04-01 10:53:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-04-01 10:53:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-04-01 10:53:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-04-01 10:53:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-04-01 10:53:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-04-01 10:53:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-04-01 10:53:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-04-01 10:53:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-04-01 10:53:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-04-01 10:53:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-04-01 10:53:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-04-01 10:53:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-04-01 10:53:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-04-01 10:53:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-04-01 10:53:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-04-01 10:53:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-04-01 10:53:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-04-01 10:53:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-04-01 10:53:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-04-01 10:53:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-04-01 10:53:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-04-01 10:53:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-04-01 10:53:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-04-01 10:53:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-04-01 10:53:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-04-01 10:53:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-04-01 10:53:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-04-01 10:53:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-04-01 10:53:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-04-01 10:53:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-04-01 10:53:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-04-01 10:53:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-04-01 10:53:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-04-01 10:53:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-04-01 10:53:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-04-01 10:53:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 10:53:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 10:53:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 10:53:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 10:53:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 10:53:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 10:53:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 10:53:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 10:53:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 10:53:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 10:53:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 10:53:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 10:53:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 10:53:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 10:53:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 10:53:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 10:53:56,531 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 10:53:56,533 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 10:53:56,836 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 10:53:56,892 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 10:53:56,892 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-04-01 10:53:56,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:53:56 BoogieIcfgContainer [2023-04-01 10:53:56,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 10:53:56,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 10:53:56,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 10:53:56,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 10:53:56,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:53:55" (1/3) ... [2023-04-01 10:53:56,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e5c46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:53:56, skipping insertion in model container [2023-04-01 10:53:56,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:53:56" (2/3) ... [2023-04-01 10:53:56,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e5c46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:53:56, skipping insertion in model container [2023-04-01 10:53:56,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:53:56" (3/3) ... [2023-04-01 10:53:56,912 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-rb-cnstr_1-2.i [2023-04-01 10:53:56,928 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 10:53:56,928 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-04-01 10:53:56,991 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 10:53:56,999 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;@70690c0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 10:53:56,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-04-01 10:53:57,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 20 states have (on average 1.8) internal successors, (36), 23 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 10:53:57,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-04-01 10:53:57,009 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:53:57,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:53:57,010 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:53:57,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:53:57,017 INFO L85 PathProgramCache]: Analyzing trace with hash -908072507, now seen corresponding path program 1 times [2023-04-01 10:53:57,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:53:57,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500099758] [2023-04-01 10:53:57,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:53:57,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:53:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:53:57,232 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 10:53:57,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:53:57,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500099758] [2023-04-01 10:53:57,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500099758] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:53:57,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:53:57,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 10:53:57,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137932204] [2023-04-01 10:53:57,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:53:57,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 10:53:57,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:53:57,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 10:53:57,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 10:53:57,286 INFO L87 Difference]: Start difference. First operand has 28 states, 20 states have (on average 1.8) internal successors, (36), 23 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 10:53:57,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:53:57,358 INFO L93 Difference]: Finished difference Result 49 states and 71 transitions. [2023-04-01 10:53:57,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 10:53:57,361 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-04-01 10:53:57,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:53:57,368 INFO L225 Difference]: With dead ends: 49 [2023-04-01 10:53:57,369 INFO L226 Difference]: Without dead ends: 24 [2023-04-01 10:53:57,373 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 10:53:57,376 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 10:53:57,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 10:53:57,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-04-01 10:53:57,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-04-01 10:53:57,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 10:53:57,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2023-04-01 10:53:57,409 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 9 [2023-04-01 10:53:57,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:53:57,409 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2023-04-01 10:53:57,409 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 10:53:57,411 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2023-04-01 10:53:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-04-01 10:53:57,411 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:53:57,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:53:57,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 10:53:57,412 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:53:57,413 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:53:57,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1902154329, now seen corresponding path program 1 times [2023-04-01 10:53:57,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:53:57,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296128272] [2023-04-01 10:53:57,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:53:57,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:53:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:53:57,596 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 10:53:57,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:53:57,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296128272] [2023-04-01 10:53:57,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296128272] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:53:57,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:53:57,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 10:53:57,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506771815] [2023-04-01 10:53:57,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:53:57,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 10:53:57,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:53:57,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 10:53:57,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 10:53:57,605 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 10:53:57,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:53:57,762 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2023-04-01 10:53:57,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 10:53:57,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-04-01 10:53:57,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:53:57,763 INFO L225 Difference]: With dead ends: 25 [2023-04-01 10:53:57,763 INFO L226 Difference]: Without dead ends: 23 [2023-04-01 10:53:57,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 10:53:57,764 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 26 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 10:53:57,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 27 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 10:53:57,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-04-01 10:53:57,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2023-04-01 10:53:57,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 10:53:57,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2023-04-01 10:53:57,769 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 10 [2023-04-01 10:53:57,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:53:57,769 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2023-04-01 10:53:57,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 10:53:57,769 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2023-04-01 10:53:57,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-04-01 10:53:57,770 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:53:57,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:53:57,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 10:53:57,770 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr1ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:53:57,771 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:53:57,771 INFO L85 PathProgramCache]: Analyzing trace with hash -714935817, now seen corresponding path program 1 times [2023-04-01 10:53:57,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:53:57,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287639648] [2023-04-01 10:53:57,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:53:57,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:53:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:53:57,998 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 10:53:57,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:53:58,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287639648] [2023-04-01 10:53:58,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287639648] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 10:53:58,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 10:53:58,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 10:53:58,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003850660] [2023-04-01 10:53:58,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 10:53:58,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 10:53:58,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 10:53:58,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 10:53:58,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 10:53:58,012 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 10:53:58,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 10:53:58,320 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2023-04-01 10:53:58,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 10:53:58,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-04-01 10:53:58,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 10:53:58,322 INFO L225 Difference]: With dead ends: 46 [2023-04-01 10:53:58,322 INFO L226 Difference]: Without dead ends: 44 [2023-04-01 10:53:58,325 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 10:53:58,327 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 32 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 10:53:58,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 60 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 10:53:58,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-04-01 10:53:58,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 29. [2023-04-01 10:53:58,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 10:53:58,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2023-04-01 10:53:58,350 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 13 [2023-04-01 10:53:58,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 10:53:58,351 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2023-04-01 10:53:58,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 10:53:58,351 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2023-04-01 10:53:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-04-01 10:53:58,351 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 10:53:58,352 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 10:53:58,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 10:53:58,352 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr1ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 10:53:58,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 10:53:58,353 INFO L85 PathProgramCache]: Analyzing trace with hash 288809903, now seen corresponding path program 1 times [2023-04-01 10:53:58,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 10:53:58,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851329222] [2023-04-01 10:53:58,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:53:58,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 10:53:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:54:16,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 10:54:16,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 10:54:16,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851329222] [2023-04-01 10:54:16,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851329222] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 10:54:16,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163511317] [2023-04-01 10:54:16,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 10:54:16,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 10:54:16,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 10:54:16,191 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 10:54:16,200 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 10:54:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 10:54:16,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 74 conjunts are in the unsatisfiable core [2023-04-01 10:54:16,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 10:54:16,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2023-04-01 10:54:16,763 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 6 treesize of output 5 [2023-04-01 10:54:17,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-04-01 10:54:17,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-04-01 10:54:17,253 INFO L321 Elim1Store]: treesize reduction 48, result has 48.4 percent of original size [2023-04-01 10:54:17,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 449 treesize of output 512 [2023-04-01 10:54:17,343 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 624 treesize of output 560 [2023-04-01 10:54:17,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 704 treesize of output 670 [2023-04-01 10:54:17,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-04-01 10:54:17,554 INFO L321 Elim1Store]: treesize reduction 56, result has 48.6 percent of original size [2023-04-01 10:54:17,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 525 treesize of output 648 [2023-04-01 10:54:17,668 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 656 treesize of output 622 [2023-04-01 10:54:17,723 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 692 treesize of output 668 [2023-04-01 10:54:17,913 INFO L321 Elim1Store]: treesize reduction 83, result has 41.1 percent of original size [2023-04-01 10:54:17,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 537 treesize of output 611 [2023-04-01 10:54:17,992 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 509 treesize of output 507 [2023-04-01 10:54:18,089 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2023-04-01 10:54:18,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 507 treesize of output 546 [2023-04-01 10:54:18,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-04-01 10:54:18,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 502 treesize of output 496 [2023-04-01 10:54:18,280 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 478 treesize of output 476 [2023-04-01 10:54:18,347 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 476 treesize of output 474 [2023-04-01 10:54:18,480 INFO L321 Elim1Store]: treesize reduction 942, result has 0.5 percent of original size [2023-04-01 10:54:18,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 482 treesize of output 652 [2023-04-01 10:54:18,569 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 109 treesize of output 97 [2023-04-01 10:54:18,637 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 109 treesize of output 97 [2023-04-01 10:54:19,007 INFO L321 Elim1Store]: treesize reduction 673, result has 0.1 percent of original size [2023-04-01 10:54:19,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 225 treesize of output 1 [2023-04-01 10:54:19,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-04-01 10:54:19,685 INFO L321 Elim1Store]: treesize reduction 257, result has 21.6 percent of original size [2023-04-01 10:54:19,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 9 case distinctions, treesize of input 668 treesize of output 888 [2023-04-01 10:54:19,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-04-01 10:54:19,931 INFO L321 Elim1Store]: treesize reduction 257, result has 21.6 percent of original size [2023-04-01 10:54:19,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 9 case distinctions, treesize of input 285 treesize of output 505 [2023-04-01 10:54:19,972 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 163 treesize of output 161 [2023-04-01 10:54:20,250 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 10:54:20,317 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 10:54:22,486 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 10:54:22,657 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 10:54:22,802 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 10:54:22,954 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 10:54:23,194 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 10:54:23,454 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 10:54:23,570 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 10:54:23,700 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 10:54:24,297 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-01 10:54:24,395 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-01 10:54:24,457 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-01 10:54:24,535 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-04-01 10:54:25,493 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 10:54:28,606 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 10:54:30,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-04-01 10:54:30,525 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2023-04-01 10:54:30,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 7013 treesize of output 6215 [2023-04-01 10:54:36,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-04-01 10:54:36,553 INFO L321 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2023-04-01 10:54:36,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 4609 treesize of output 3965