/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 IntervalDomain -i ../sv-benchmarks/c/eca-rers2012/Problem05_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 04:35:04,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 04:35:04,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 04:35:04,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 04:35:04,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 04:35:04,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 04:35:04,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 04:35:04,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 04:35:04,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 04:35:04,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 04:35:04,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 04:35:04,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 04:35:04,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 04:35:04,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 04:35:04,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 04:35:04,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 04:35:04,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 04:35:04,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 04:35:04,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 04:35:04,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 04:35:04,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 04:35:04,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 04:35:04,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 04:35:04,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 04:35:04,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 04:35:04,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 04:35:04,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 04:35:04,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 04:35:04,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 04:35:04,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 04:35:04,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 04:35:04,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 04:35:04,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 04:35:04,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 04:35:04,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 04:35:04,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 04:35:04,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 04:35:04,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 04:35:04,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 04:35:04,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 04:35:04,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 04:35:04,155 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 04:35:04,188 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 04:35:04,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 04:35:04,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 04:35:04,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 04:35:04,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 04:35:04,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 04:35:04,190 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 04:35:04,190 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 04:35:04,190 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 04:35:04,190 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 04:35:04,191 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 04:35:04,191 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 04:35:04,191 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 04:35:04,192 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 04:35:04,192 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 04:35:04,192 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 04:35:04,192 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 04:35:04,192 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 04:35:04,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 04:35:04,193 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 04:35:04,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 04:35:04,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 04:35:04,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 04:35:04,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 04:35:04,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 04:35:04,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 04:35:04,194 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 04:35:04,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 04:35:04,194 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 04:35:04,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 04:35:04,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 04:35:04,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 04:35:04,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 04:35:04,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 04:35:04,195 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 04:35:04,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 04:35:04,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 04:35:04,195 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 04:35:04,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 04:35:04,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 04:35:04,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 04:35:04,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 04:35:04,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 04:35:04,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 04:35:04,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 04:35:04,446 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 04:35:04,447 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 04:35:04,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem05_label05.c [2023-03-31 04:35:05,640 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 04:35:06,255 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 04:35:06,256 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem05_label05.c [2023-03-31 04:35:06,318 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3345e5ada/0f3ec3d25bf441dda01221a10876e523/FLAG4c4ddb1b1 [2023-03-31 04:35:06,334 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3345e5ada/0f3ec3d25bf441dda01221a10876e523 [2023-03-31 04:35:06,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 04:35:06,339 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 04:35:06,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 04:35:06,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 04:35:06,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 04:35:06,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 04:35:06" (1/1) ... [2023-03-31 04:35:06,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb85fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:35:06, skipping insertion in model container [2023-03-31 04:35:06,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 04:35:06" (1/1) ... [2023-03-31 04:35:06,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 04:35:06,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 04:35:08,169 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/Problem05_label05.c[381607,381620] [2023-03-31 04:35:08,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 04:35:08,196 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 04:35:08,981 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/Problem05_label05.c[381607,381620] [2023-03-31 04:35:08,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 04:35:09,030 INFO L208 MainTranslator]: Completed translation [2023-03-31 04:35:09,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:35:09 WrapperNode [2023-03-31 04:35:09,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 04:35:09,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 04:35:09,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 04:35:09,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 04:35:09,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:35:09" (1/1) ... [2023-03-31 04:35:09,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:35:09" (1/1) ... [2023-03-31 04:35:09,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:35:09" (1/1) ... [2023-03-31 04:35:09,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:35:09" (1/1) ... [2023-03-31 04:35:09,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:35:09" (1/1) ... [2023-03-31 04:35:09,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:35:09" (1/1) ... [2023-03-31 04:35:09,552 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:35:09" (1/1) ... [2023-03-31 04:35:09,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:35:09" (1/1) ... [2023-03-31 04:35:09,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 04:35:09,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 04:35:09,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 04:35:09,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 04:35:09,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:35:09" (1/1) ... [2023-03-31 04:35:09,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 04:35:09,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 04:35:09,674 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 04:35:09,699 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 04:35:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 04:35:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 04:35:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 04:35:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-31 04:35:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-31 04:35:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-31 04:35:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-31 04:35:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-03-31 04:35:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-03-31 04:35:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2023-03-31 04:35:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2023-03-31 04:35:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 04:35:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-31 04:35:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-31 04:35:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-31 04:35:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-31 04:35:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-03-31 04:35:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-03-31 04:35:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2023-03-31 04:35:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2023-03-31 04:35:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 04:35:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 04:35:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 04:35:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 04:35:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 04:35:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 04:35:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 04:35:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 04:35:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 04:35:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 04:35:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 04:35:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 04:35:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 04:35:09,817 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 04:35:09,819 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 04:35:16,261 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 04:35:17,983 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 04:35:17,983 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 04:35:17,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 04:35:17 BoogieIcfgContainer [2023-03-31 04:35:17,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 04:35:17,988 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 04:35:17,989 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 04:35:17,989 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 04:35:17,989 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 04:35:17" (1/1) ... [2023-03-31 04:35:17,990 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=IntervalDomain ♦ 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 04:35:18,009 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 04:35:18,010 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 04:35:18,020 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 04:35:18,026 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 04:35:18,027 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 04:35:18,204 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 81 for LOIs [2023-03-31 04:35:25,902 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2023-03-31 04:35:26,577 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 20710 conjuctions. This might take some time... [2023-03-31 04:35:26,744 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 33 conjuctions. [2023-03-31 04:35:33,661 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 61 for LOIs