/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 EqDomain -i ../sv-benchmarks/c/eca-rers2012/Problem19_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 16:26:40,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 16:26:40,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 16:26:40,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 16:26:40,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 16:26:40,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 16:26:40,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 16:26:40,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 16:26:40,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 16:26:40,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 16:26:40,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 16:26:40,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 16:26:40,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 16:26:40,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 16:26:40,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 16:26:40,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 16:26:40,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 16:26:40,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 16:26:40,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 16:26:40,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 16:26:40,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 16:26:40,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 16:26:40,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 16:26:40,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 16:26:40,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 16:26:40,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 16:26:40,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 16:26:40,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 16:26:40,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 16:26:40,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 16:26:40,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 16:26:40,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 16:26:40,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 16:26:40,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 16:26:40,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 16:26:40,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 16:26:40,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 16:26:40,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 16:26:40,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 16:26:40,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 16:26:40,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 16:26:40,588 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 16:26:40,612 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 16:26:40,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 16:26:40,612 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 16:26:40,612 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 16:26:40,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 16:26:40,613 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 16:26:40,613 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 16:26:40,613 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 16:26:40,613 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 16:26:40,613 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 16:26:40,614 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 16:26:40,614 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 16:26:40,614 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 16:26:40,614 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 16:26:40,614 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 16:26:40,614 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 16:26:40,614 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 16:26:40,614 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 16:26:40,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 16:26:40,615 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 16:26:40,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 16:26:40,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 16:26:40,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 16:26:40,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 16:26:40,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 16:26:40,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 16:26:40,615 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 16:26:40,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 16:26:40,615 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 16:26:40,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 16:26:40,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 16:26:40,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 16:26:40,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 16:26:40,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 16:26:40,616 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 16:26:40,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 16:26:40,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 16:26:40,616 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 16:26:40,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 16:26:40,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 16:26:40,616 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 16:26:40,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-31 16:26:40,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 16:26:40,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 16:26:40,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 16:26:40,819 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 16:26:40,820 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 16:26:40,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label03.c [2023-03-31 16:26:41,900 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 16:26:42,324 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 16:26:42,325 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label03.c [2023-03-31 16:26:42,363 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2082a7510/4c9d6125b7b345c9a597f1920e5556ff/FLAG74db51fd6 [2023-03-31 16:26:42,375 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2082a7510/4c9d6125b7b345c9a597f1920e5556ff [2023-03-31 16:26:42,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 16:26:42,378 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 16:26:42,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 16:26:42,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 16:26:42,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 16:26:42,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 04:26:42" (1/1) ... [2023-03-31 16:26:42,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f7268c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:26:42, skipping insertion in model container [2023-03-31 16:26:42,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 04:26:42" (1/1) ... [2023-03-31 16:26:42,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 16:26:42,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 16:26:42,785 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/Problem19_label03.c[7444,7457] [2023-03-31 16:26:43,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 16:26:43,731 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 16:26:43,757 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/Problem19_label03.c[7444,7457] [2023-03-31 16:26:44,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 16:26:44,258 INFO L208 MainTranslator]: Completed translation [2023-03-31 16:26:44,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:26:44 WrapperNode [2023-03-31 16:26:44,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 16:26:44,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 16:26:44,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 16:26:44,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 16:26:44,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:26:44" (1/1) ... [2023-03-31 16:26:44,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:26:44" (1/1) ... [2023-03-31 16:26:44,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:26:44" (1/1) ... [2023-03-31 16:26:44,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:26:44" (1/1) ... [2023-03-31 16:26:44,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:26:44" (1/1) ... [2023-03-31 16:26:44,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:26:44" (1/1) ... [2023-03-31 16:26:44,628 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:26:44" (1/1) ... [2023-03-31 16:26:44,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:26:44" (1/1) ... [2023-03-31 16:26:44,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 16:26:44,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 16:26:44,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 16:26:44,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 16:26:44,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 04:26:44" (1/1) ... [2023-03-31 16:26:44,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 16:26:44,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 16:26:44,703 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 16:26:44,721 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 16:26:44,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 16:26:44,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 16:26:44,728 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 16:26:44,729 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-31 16:26:44,729 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2023-03-31 16:26:44,729 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2023-03-31 16:26:44,729 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2023-03-31 16:26:44,729 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2023-03-31 16:26:44,729 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2023-03-31 16:26:44,729 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 16:26:44,729 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-31 16:26:44,729 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2023-03-31 16:26:44,729 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2023-03-31 16:26:44,729 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2023-03-31 16:26:44,729 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2023-03-31 16:26:44,729 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2023-03-31 16:26:44,729 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 16:26:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 16:26:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 16:26:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 16:26:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 16:26:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 16:26:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 16:26:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 16:26:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 16:26:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 16:26:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 16:26:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 16:26:44,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 16:26:44,786 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 16:26:44,787 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 16:26:50,189 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 16:27:02,698 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 16:27:02,698 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 16:27:02,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 04:27:02 BoogieIcfgContainer [2023-03-31 16:27:02,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 16:27:02,704 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 16:27:02,704 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 16:27:02,704 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 16:27:02,705 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 04:27:02" (1/1) ... [2023-03-31 16:27:02,705 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=EqDomain ♦ 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 16:27:02,789 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 16:27:02,789 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 16:27:02,797 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 16:27:02,801 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 16:27:02,802 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 16:27:03,091 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 81 for LOIs [2023-03-31 16:27:03,608 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 51 [2023-03-31 16:27:04,505 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2023-03-31 16:27:13,800 WARN L223 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 884 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-03-31 16:27:47,067 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 5803 conjuctions. This might take some time... [2023-03-31 16:27:49,080 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 5803 conjuctions.