/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/SifaC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/eca-rers2012/Problem04_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 09:45:29,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 09:45:29,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 09:45:29,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 09:45:29,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 09:45:29,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 09:45:29,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 09:45:29,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 09:45:30,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 09:45:30,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 09:45:30,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 09:45:30,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 09:45:30,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 09:45:30,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 09:45:30,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 09:45:30,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 09:45:30,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 09:45:30,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 09:45:30,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 09:45:30,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 09:45:30,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 09:45:30,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 09:45:30,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 09:45:30,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 09:45:30,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 09:45:30,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 09:45:30,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 09:45:30,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 09:45:30,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 09:45:30,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 09:45:30,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 09:45:30,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 09:45:30,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 09:45:30,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 09:45:30,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 09:45:30,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 09:45:30,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 09:45:30,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 09:45:30,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 09:45:30,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 09:45:30,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 09:45:30,043 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 09:45:30,074 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 09:45:30,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 09:45:30,074 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 09:45:30,074 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 09:45:30,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 09:45:30,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 09:45:30,075 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 09:45:30,075 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 09:45:30,075 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 09:45:30,076 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 09:45:30,076 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 09:45:30,076 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 09:45:30,076 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 09:45:30,076 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 09:45:30,076 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 09:45:30,079 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 09:45:30,079 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 09:45:30,079 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 09:45:30,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 09:45:30,080 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 09:45:30,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 09:45:30,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 09:45:30,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 09:45:30,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 09:45:30,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 09:45:30,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 09:45:30,081 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 09:45:30,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 09:45:30,082 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 09:45:30,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 09:45:30,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 09:45:30,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 09:45:30,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 09:45:30,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 09:45:30,083 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 09:45:30,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 09:45:30,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 09:45:30,084 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 09:45:30,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 09:45:30,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 09:45:30,084 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 09:45:30,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-31 09:45:30,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 09:45:30,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 09:45:30,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 09:45:30,369 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 09:45:30,369 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 09:45:30,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label45.c [2023-03-31 09:45:31,521 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 09:45:31,930 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 09:45:31,931 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label45.c [2023-03-31 09:45:31,967 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ac6c0c3/8d8a3d179b4243e6a84290d4f494b265/FLAGbfb023986 [2023-03-31 09:45:31,984 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ac6c0c3/8d8a3d179b4243e6a84290d4f494b265 [2023-03-31 09:45:31,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 09:45:31,988 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 09:45:31,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 09:45:31,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 09:45:31,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 09:45:31,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:45:31" (1/1) ... [2023-03-31 09:45:31,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cc0fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:45:31, skipping insertion in model container [2023-03-31 09:45:31,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:45:31" (1/1) ... [2023-03-31 09:45:32,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 09:45:32,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 09:45:33,088 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/eca-rers2012/Problem04_label45.c[177734,177747] [2023-03-31 09:45:33,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 09:45:33,128 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 09:45:33,548 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/eca-rers2012/Problem04_label45.c[177734,177747] [2023-03-31 09:45:33,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 09:45:33,581 INFO L208 MainTranslator]: Completed translation [2023-03-31 09:45:33,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:45:33 WrapperNode [2023-03-31 09:45:33,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 09:45:33,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 09:45:33,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 09:45:33,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 09:45:33,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:45:33" (1/1) ... [2023-03-31 09:45:33,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:45:33" (1/1) ... [2023-03-31 09:45:33,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:45:33" (1/1) ... [2023-03-31 09:45:33,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:45:33" (1/1) ... [2023-03-31 09:45:33,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:45:33" (1/1) ... [2023-03-31 09:45:33,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:45:33" (1/1) ... [2023-03-31 09:45:33,804 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:45:33" (1/1) ... [2023-03-31 09:45:33,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:45:33" (1/1) ... [2023-03-31 09:45:33,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 09:45:33,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 09:45:33,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 09:45:33,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 09:45:33,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:45:33" (1/1) ... [2023-03-31 09:45:33,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 09:45:33,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 09:45:33,886 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 09:45:33,909 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 09:45:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 09:45:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 09:45:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 09:45:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-31 09:45:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-31 09:45:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-31 09:45:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-31 09:45:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 09:45:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-31 09:45:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-31 09:45:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-31 09:45:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-31 09:45:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 09:45:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 09:45:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 09:45:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 09:45:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 09:45:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 09:45:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 09:45:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 09:45:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 09:45:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 09:45:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 09:45:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 09:45:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 09:45:34,024 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 09:45:34,026 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 09:45:37,583 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 09:45:37,903 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 09:45:37,903 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 09:45:37,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:45:37 BoogieIcfgContainer [2023-03-31 09:45:37,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 09:45:37,910 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 09:45:37,910 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 09:45:37,910 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 09:45:37,911 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:45:37" (1/1) ... [2023-03-31 09:45:37,911 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=OctagonDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=POLY_PAC ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-31 09:45:37,939 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 09:45:37,939 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 09:45:37,948 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 09:45:37,952 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 09:45:37,953 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 09:45:38,175 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 101 for LOIs [2023-03-31 09:45:50,729 WARN L223 SmtUtils]: Spent 11.20s on a formula simplification that was a NOOP. DAG size: 1032 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)