/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/forester-heap/sll-optional-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 22:51:12,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 22:51:12,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 22:51:12,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 22:51:12,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 22:51:12,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 22:51:12,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 22:51:12,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 22:51:12,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 22:51:12,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 22:51:12,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 22:51:12,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 22:51:12,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 22:51:12,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 22:51:12,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 22:51:12,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 22:51:12,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 22:51:12,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 22:51:12,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 22:51:12,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 22:51:12,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 22:51:12,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 22:51:12,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 22:51:12,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 22:51:12,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 22:51:12,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 22:51:12,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 22:51:12,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 22:51:12,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 22:51:12,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 22:51:12,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 22:51:12,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 22:51:12,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 22:51:12,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 22:51:12,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 22:51:12,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 22:51:12,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 22:51:12,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 22:51:12,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 22:51:12,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 22:51:12,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 22:51:12,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 22:51:12,810 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 22:51:12,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 22:51:12,811 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 22:51:12,811 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 22:51:12,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 22:51:12,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 22:51:12,812 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 22:51:12,812 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 22:51:12,812 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 22:51:12,812 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 22:51:12,813 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 22:51:12,813 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 22:51:12,813 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 22:51:12,813 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 22:51:12,813 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 22:51:12,814 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 22:51:12,814 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 22:51:12,814 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 22:51:12,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 22:51:12,814 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 22:51:12,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 22:51:12,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 22:51:12,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 22:51:12,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 22:51:12,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 22:51:12,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 22:51:12,816 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 22:51:12,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 22:51:12,816 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 22:51:12,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 22:51:12,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 22:51:12,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 22:51:12,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:51:12,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 22:51:12,817 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 22:51:12,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 22:51:12,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 22:51:12,817 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 22:51:12,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 22:51:12,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 22:51:12,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 22:51:12,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 22:51:13,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 22:51:13,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 22:51:13,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 22:51:13,090 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 22:51:13,091 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 22:51:13,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-optional-1.i [2023-03-31 22:51:14,244 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 22:51:14,502 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 22:51:14,503 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-1.i [2023-03-31 22:51:14,514 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a399ca50d/f492443e75bb43eebe008c35ec6b47f8/FLAG91494ddd1 [2023-03-31 22:51:14,525 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a399ca50d/f492443e75bb43eebe008c35ec6b47f8 [2023-03-31 22:51:14,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 22:51:14,529 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 22:51:14,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 22:51:14,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 22:51:14,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 22:51:14,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:51:14" (1/1) ... [2023-03-31 22:51:14,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a72030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:51:14, skipping insertion in model container [2023-03-31 22:51:14,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:51:14" (1/1) ... [2023-03-31 22:51:14,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 22:51:14,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 22:51:14,824 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/sll-optional-1.i[22688,22701] [2023-03-31 22:51:14,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:51:14,839 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 22:51:14,868 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/sll-optional-1.i[22688,22701] [2023-03-31 22:51:14,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:51:14,894 INFO L208 MainTranslator]: Completed translation [2023-03-31 22:51:14,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:51:14 WrapperNode [2023-03-31 22:51:14,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 22:51:14,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 22:51:14,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 22:51:14,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 22:51:14,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:51:14" (1/1) ... [2023-03-31 22:51:14,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:51:14" (1/1) ... [2023-03-31 22:51:14,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:51:14" (1/1) ... [2023-03-31 22:51:14,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:51:14" (1/1) ... [2023-03-31 22:51:14,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:51:14" (1/1) ... [2023-03-31 22:51:14,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:51:14" (1/1) ... [2023-03-31 22:51:14,956 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:51:14" (1/1) ... [2023-03-31 22:51:14,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:51:14" (1/1) ... [2023-03-31 22:51:14,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 22:51:14,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 22:51:14,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 22:51:14,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 22:51:14,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:51:14" (1/1) ... [2023-03-31 22:51:14,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:51:14,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 22:51:14,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 22:51:14,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 22:51:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 22:51:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 22:51:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 22:51:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 22:51:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-03-31 22:51:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-03-31 22:51:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-03-31 22:51:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-03-31 22:51:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-03-31 22:51:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-03-31 22:51:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-03-31 22:51:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-03-31 22:51:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-03-31 22:51:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-03-31 22:51:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-03-31 22:51:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-03-31 22:51:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-03-31 22:51:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-03-31 22:51:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-03-31 22:51:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-03-31 22:51:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-03-31 22:51:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-03-31 22:51:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-03-31 22:51:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-03-31 22:51:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-03-31 22:51:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-03-31 22:51:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-03-31 22:51:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-03-31 22:51:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-03-31 22:51:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-03-31 22:51:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-03-31 22:51:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-03-31 22:51:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-03-31 22:51:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-03-31 22:51:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-03-31 22:51:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-03-31 22:51:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-03-31 22:51:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-03-31 22:51:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-03-31 22:51:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-03-31 22:51:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-03-31 22:51:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-03-31 22:51:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-03-31 22:51:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-03-31 22:51:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-03-31 22:51:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-03-31 22:51:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-03-31 22:51:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-03-31 22:51:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-03-31 22:51:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-03-31 22:51:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-03-31 22:51:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-03-31 22:51:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-03-31 22:51:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-03-31 22:51:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 22:51:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-31 22:51:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-03-31 22:51:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 22:51:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2023-03-31 22:51:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-03-31 22:51:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-03-31 22:51:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-03-31 22:51:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2023-03-31 22:51:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 22:51:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-03-31 22:51:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2023-03-31 22:51:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-03-31 22:51:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 22:51:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2023-03-31 22:51:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-03-31 22:51:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-03-31 22:51:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-03-31 22:51:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-03-31 22:51:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-03-31 22:51:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-03-31 22:51:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-03-31 22:51:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-03-31 22:51:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-03-31 22:51:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-03-31 22:51:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-03-31 22:51:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-03-31 22:51:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-03-31 22:51:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-03-31 22:51:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-03-31 22:51:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-03-31 22:51:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-03-31 22:51:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-03-31 22:51:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-03-31 22:51:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-03-31 22:51:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-03-31 22:51:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-03-31 22:51:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-03-31 22:51:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-03-31 22:51:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-03-31 22:51:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-03-31 22:51:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-03-31 22:51:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-03-31 22:51:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-03-31 22:51:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-03-31 22:51:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-03-31 22:51:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-03-31 22:51:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-03-31 22:51:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-03-31 22:51:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-03-31 22:51:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-03-31 22:51:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-03-31 22:51:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-03-31 22:51:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 22:51:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 22:51:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-31 22:51:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-31 22:51:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 22:51:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 22:51:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 22:51:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 22:51:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 22:51:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 22:51:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 22:51:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 22:51:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 22:51:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 22:51:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 22:51:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 22:51:15,253 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 22:51:15,255 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 22:51:15,466 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 22:51:15,665 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 22:51:15,666 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 22:51:15,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:51:15 BoogieIcfgContainer [2023-03-31 22:51:15,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 22:51:15,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 22:51:15,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 22:51:15,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 22:51:15,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 10:51:14" (1/3) ... [2023-03-31 22:51:15,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c19ff12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:51:15, skipping insertion in model container [2023-03-31 22:51:15,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:51:14" (2/3) ... [2023-03-31 22:51:15,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c19ff12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:51:15, skipping insertion in model container [2023-03-31 22:51:15,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:51:15" (3/3) ... [2023-03-31 22:51:15,679 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-optional-1.i [2023-03-31 22:51:15,692 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 22:51:15,692 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 22:51:15,726 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 22:51:15,731 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;@4b4812ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 22:51:15,732 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 22:51:15,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 14 states have internal predecessors, (21), 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) [2023-03-31 22:51:15,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-03-31 22:51:15,742 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:51:15,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 22:51:15,742 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:51:15,747 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:51:15,747 INFO L85 PathProgramCache]: Analyzing trace with hash 450299986, now seen corresponding path program 1 times [2023-03-31 22:51:15,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:51:15,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917667837] [2023-03-31 22:51:15,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:51:15,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:51:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:51:16,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 22:51:16,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:51:16,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917667837] [2023-03-31 22:51:16,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917667837] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 22:51:16,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 22:51:16,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 22:51:16,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867574794] [2023-03-31 22:51:16,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 22:51:16,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 22:51:16,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 22:51:16,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 22:51:16,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 22:51:16,072 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 14 states have internal predecessors, (21), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-03-31 22:51:16,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 22:51:16,194 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2023-03-31 22:51:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 22:51:16,196 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 11 [2023-03-31 22:51:16,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 22:51:16,202 INFO L225 Difference]: With dead ends: 31 [2023-03-31 22:51:16,203 INFO L226 Difference]: Without dead ends: 15 [2023-03-31 22:51:16,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 22:51:16,212 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 22:51:16,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 22:51:16,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-03-31 22:51:16,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-03-31 22:51:16,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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) [2023-03-31 22:51:16,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2023-03-31 22:51:16,240 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 11 [2023-03-31 22:51:16,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 22:51:16,241 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2023-03-31 22:51:16,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-03-31 22:51:16,241 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-03-31 22:51:16,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-03-31 22:51:16,242 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:51:16,242 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 22:51:16,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 22:51:16,242 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:51:16,243 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:51:16,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1781543923, now seen corresponding path program 1 times [2023-03-31 22:51:16,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:51:16,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425326851] [2023-03-31 22:51:16,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:51:16,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:51:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:51:17,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 22:51:17,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:51:17,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425326851] [2023-03-31 22:51:17,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425326851] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 22:51:17,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 22:51:17,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 22:51:17,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251816092] [2023-03-31 22:51:17,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 22:51:17,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 22:51:17,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 22:51:17,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 22:51:17,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-03-31 22:51:17,609 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2023-03-31 22:51:18,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 22:51:18,280 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2023-03-31 22:51:18,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 22:51:18,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 12 [2023-03-31 22:51:18,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 22:51:18,281 INFO L225 Difference]: With dead ends: 32 [2023-03-31 22:51:18,281 INFO L226 Difference]: Without dead ends: 30 [2023-03-31 22:51:18,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-03-31 22:51:18,285 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 20 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 22:51:18,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 39 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 22:51:18,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-03-31 22:51:18,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 21. [2023-03-31 22:51:18,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 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) [2023-03-31 22:51:18,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2023-03-31 22:51:18,291 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2023-03-31 22:51:18,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 22:51:18,291 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-03-31 22:51:18,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2023-03-31 22:51:18,294 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-03-31 22:51:18,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-03-31 22:51:18,294 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 22:51:18,294 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 22:51:18,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 22:51:18,295 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 22:51:18,296 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 22:51:18,296 INFO L85 PathProgramCache]: Analyzing trace with hash -2048131261, now seen corresponding path program 1 times [2023-03-31 22:51:18,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 22:51:18,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565601235] [2023-03-31 22:51:18,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:51:18,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 22:51:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:51:21,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 22:51:21,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 22:51:21,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565601235] [2023-03-31 22:51:21,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565601235] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 22:51:21,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282713167] [2023-03-31 22:51:21,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 22:51:21,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 22:51:21,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 22:51:21,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 22:51:21,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 22:51:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 22:51:21,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 117 conjunts are in the unsatisfiable core [2023-03-31 22:51:21,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 22:51:21,934 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 [2023-03-31 22:51:21,941 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 [2023-03-31 22:51:21,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 103 [2023-03-31 22:51:21,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 97 [2023-03-31 22:51:21,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 91 [2023-03-31 22:51:22,097 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 8 treesize of output 1 [2023-03-31 22:51:22,125 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 [2023-03-31 22:51:22,135 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 9 treesize of output 12 [2023-03-31 22:51:22,142 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 6 treesize of output 5 [2023-03-31 22:51:22,159 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 9 treesize of output 8 [2023-03-31 22:51:22,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-03-31 22:51:22,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-31 22:51:22,172 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 0 case distinctions, treesize of input 11 treesize of output 1 [2023-03-31 22:51:22,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-31 22:51:22,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-31 22:51:22,187 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-03-31 22:51:22,197 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2023-03-31 22:51:22,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-31 22:51:22,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2023-03-31 22:51:22,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2023-03-31 22:51:22,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-31 22:51:22,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-31 22:51:22,234 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2023-03-31 22:51:22,252 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2023-03-31 22:51:22,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 28 [2023-03-31 22:51:22,272 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 12 treesize of output 11 [2023-03-31 22:51:22,281 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 12 treesize of output 11 [2023-03-31 22:51:22,301 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-03-31 22:51:22,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 26 [2023-03-31 22:51:22,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-03-31 22:51:22,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 407 treesize of output 393 [2023-03-31 22:51:22,838 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-03-31 22:51:22,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 383 treesize of output 359 [2023-03-31 22:51:22,941 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2023-03-31 22:51:22,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 475 treesize of output 468 [2023-03-31 22:51:23,072 INFO L321 Elim1Store]: treesize reduction 112, result has 8.9 percent of original size [2023-03-31 22:51:23,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 490 treesize of output 462 [2023-03-31 22:51:23,156 INFO L321 Elim1Store]: treesize reduction 83, result has 5.7 percent of original size [2023-03-31 22:51:23,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 422 treesize of output 479 [2023-03-31 22:51:23,276 INFO L321 Elim1Store]: treesize reduction 208, result has 6.7 percent of original size [2023-03-31 22:51:23,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 421 treesize of output 477 [2023-03-31 22:51:23,362 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2023-03-31 22:51:23,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 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 302 treesize of output 338 [2023-03-31 22:51:23,744 INFO L321 Elim1Store]: treesize reduction 246, result has 23.8 percent of original size [2023-03-31 22:51:23,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 367 treesize of output 443 [2023-03-31 22:51:23,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 15 treesize of output 23 [2023-03-31 22:51:24,900 INFO L321 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2023-03-31 22:51:24,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 224 treesize of output 242 [2023-03-31 22:51:24,924 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 193 treesize of output 196 [2023-03-31 22:51:25,144 INFO L321 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-03-31 22:51:25,145 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 13 [2023-03-31 22:51:25,191 INFO L321 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-03-31 22:51:25,192 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 13 [2023-03-31 22:51:25,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2023-03-31 22:51:25,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 451 treesize of output 447 [2023-03-31 22:51:25,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2023-03-31 22:51:26,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 103 [2023-03-31 22:51:26,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2023-03-31 22:51:26,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 100 [2023-03-31 22:51:26,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2023-03-31 22:51:26,452 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 13 treesize of output 16 [2023-03-31 22:51:26,927 INFO L321 Elim1Store]: treesize reduction 64, result has 48.0 percent of original size [2023-03-31 22:51:26,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 503 treesize of output 502 [2023-03-31 22:51:27,043 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-31 22:51:27,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2023-03-31 22:51:28,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-31 22:51:28,907 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-03-31 22:51:28,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 22 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 25 new quantified variables, introduced 1 case distinctions, treesize of input 1803 treesize of output 5663 [2023-03-31 22:51:29,819 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 2078 treesize of output 1981 [2023-03-31 22:51:30,416 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 12 treesize of output 11 [2023-03-31 22:51:31,018 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 12 treesize of output 11 [2023-03-31 22:51:31,584 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 12 treesize of output 11 [2023-03-31 22:51:32,121 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 12 treesize of output 11 [2023-03-31 22:51:32,503 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 12 treesize of output 11 [2023-03-31 22:51:32,849 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 12 treesize of output 11 [2023-03-31 22:51:33,149 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 12 treesize of output 11 [2023-03-31 22:51:33,459 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 12 treesize of output 11