/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/Problem03_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 09:36:35,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 09:36:35,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 09:36:35,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 09:36:35,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 09:36:35,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 09:36:35,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 09:36:35,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 09:36:35,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 09:36:35,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 09:36:35,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 09:36:35,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 09:36:35,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 09:36:35,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 09:36:35,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 09:36:35,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 09:36:35,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 09:36:35,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 09:36:35,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 09:36:35,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 09:36:35,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 09:36:35,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 09:36:35,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 09:36:35,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 09:36:35,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 09:36:35,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 09:36:35,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 09:36:35,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 09:36:35,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 09:36:35,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 09:36:35,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 09:36:35,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 09:36:35,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 09:36:35,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 09:36:35,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 09:36:35,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 09:36:35,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 09:36:35,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 09:36:35,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 09:36:35,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 09:36:35,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 09:36:35,886 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 09:36:35,916 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 09:36:35,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 09:36:35,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 09:36:35,917 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 09:36:35,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 09:36:35,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 09:36:35,918 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 09:36:35,918 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 09:36:35,918 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 09:36:35,918 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 09:36:35,919 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 09:36:35,919 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 09:36:35,919 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 09:36:35,919 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 09:36:35,919 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 09:36:35,920 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 09:36:35,920 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 09:36:35,920 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 09:36:35,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 09:36:35,920 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 09:36:35,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 09:36:35,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 09:36:35,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 09:36:35,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 09:36:35,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 09:36:35,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 09:36:35,921 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 09:36:35,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 09:36:35,922 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 09:36:35,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 09:36:35,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 09:36:35,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 09:36:35,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 09:36:35,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 09:36:35,923 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 09:36:35,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 09:36:35,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 09:36:35,923 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 09:36:35,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 09:36:35,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 09:36:35,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 09:36:35,923 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-31 09:36:36,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 09:36:36,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 09:36:36,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 09:36:36,165 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 09:36:36,166 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 09:36:36,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label11.c [2023-03-31 09:36:37,333 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 09:36:37,705 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 09:36:37,706 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label11.c [2023-03-31 09:36:37,726 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4aabb169/7fabe8314eea488ea929b17438506ed6/FLAGa0fc1c5c6 [2023-03-31 09:36:37,743 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4aabb169/7fabe8314eea488ea929b17438506ed6 [2023-03-31 09:36:37,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 09:36:37,747 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 09:36:37,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 09:36:37,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 09:36:37,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 09:36:37,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:36:37" (1/1) ... [2023-03-31 09:36:37,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252b9b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:37, skipping insertion in model container [2023-03-31 09:36:37,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 09:36:37" (1/1) ... [2023-03-31 09:36:37,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 09:36:37,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 09:36:38,328 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/Problem03_label11.c[60283,60296] [2023-03-31 09:36:38,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 09:36:38,402 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 09:36:38,627 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/Problem03_label11.c[60283,60296] [2023-03-31 09:36:38,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 09:36:38,655 INFO L208 MainTranslator]: Completed translation [2023-03-31 09:36:38,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:38 WrapperNode [2023-03-31 09:36:38,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 09:36:38,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 09:36:38,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 09:36:38,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 09:36:38,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:38" (1/1) ... [2023-03-31 09:36:38,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:38" (1/1) ... [2023-03-31 09:36:38,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:38" (1/1) ... [2023-03-31 09:36:38,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:38" (1/1) ... [2023-03-31 09:36:38,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:38" (1/1) ... [2023-03-31 09:36:38,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:38" (1/1) ... [2023-03-31 09:36:38,799 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:38" (1/1) ... [2023-03-31 09:36:38,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:38" (1/1) ... [2023-03-31 09:36:38,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 09:36:38,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 09:36:38,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 09:36:38,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 09:36:38,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 09:36:38" (1/1) ... [2023-03-31 09:36:38,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 09:36:38,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 09:36:38,855 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 09:36:38,866 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 09:36:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 09:36:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 09:36:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 09:36:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-31 09:36:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 09:36:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-31 09:36:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 09:36:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 09:36:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 09:36:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 09:36:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 09:36:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 09:36:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 09:36:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 09:36:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 09:36:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 09:36:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 09:36:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 09:36:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 09:36:39,000 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 09:36:39,002 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 09:36:40,624 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 09:36:40,938 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 09:36:40,938 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 09:36:40,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:36:40 BoogieIcfgContainer [2023-03-31 09:36:40,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 09:36:40,942 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 09:36:40,943 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 09:36:40,943 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 09:36:40,944 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 09:36:40" (1/1) ... [2023-03-31 09:36:40,944 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 09:36:40,970 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 09:36:40,971 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 09:36:40,978 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 09:36:40,984 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 09:36:40,985 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 09:36:41,721 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 187 for LOIs [2023-03-31 09:36:51,137 WARN L223 SmtUtils]: Spent 7.88s on a formula simplification that was a NOOP. DAG size: 962 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-03-31 09:37:37,718 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 24864 conjuctions. This might take some time...