/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/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 17:51:22,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 17:51:22,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 17:51:22,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 17:51:22,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 17:51:22,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 17:51:22,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 17:51:22,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 17:51:22,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 17:51:22,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 17:51:22,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 17:51:22,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 17:51:22,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 17:51:22,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 17:51:22,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 17:51:22,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 17:51:22,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 17:51:22,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 17:51:22,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 17:51:22,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 17:51:22,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 17:51:22,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 17:51:22,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 17:51:22,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 17:51:22,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 17:51:22,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 17:51:22,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 17:51:22,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 17:51:22,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 17:51:22,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 17:51:22,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 17:51:22,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 17:51:22,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 17:51:22,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 17:51:22,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 17:51:22,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 17:51:22,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 17:51:22,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 17:51:22,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 17:51:22,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 17:51:22,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 17:51:22,293 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 17:51:22,317 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 17:51:22,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 17:51:22,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 17:51:22,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 17:51:22,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 17:51:22,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 17:51:22,319 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 17:51:22,319 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 17:51:22,319 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 17:51:22,319 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 17:51:22,320 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 17:51:22,320 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 17:51:22,320 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 17:51:22,320 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 17:51:22,320 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 17:51:22,320 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 17:51:22,321 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 17:51:22,321 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 17:51:22,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 17:51:22,321 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 17:51:22,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 17:51:22,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 17:51:22,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 17:51:22,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 17:51:22,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 17:51:22,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 17:51:22,322 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 17:51:22,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 17:51:22,322 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 17:51:22,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 17:51:22,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 17:51:22,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 17:51:22,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 17:51:22,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 17:51:22,323 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 17:51:22,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 17:51:22,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 17:51:22,323 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 17:51:22,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 17:51:22,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 17:51:22,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 17:51:22,324 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-31 17:51:22,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 17:51:22,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 17:51:22,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 17:51:22,544 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 17:51:22,556 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 17:51:22,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2023-03-31 17:51:23,522 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 17:51:23,803 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 17:51:23,804 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2023-03-31 17:51:23,820 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996320572/b1037c1c41e74ee9ba8f28b1daa567a3/FLAGa5a7e023c [2023-03-31 17:51:23,830 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996320572/b1037c1c41e74ee9ba8f28b1daa567a3 [2023-03-31 17:51:23,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 17:51:23,833 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 17:51:23,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 17:51:23,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 17:51:23,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 17:51:23,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 05:51:23" (1/1) ... [2023-03-31 17:51:23,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27049754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:51:23, skipping insertion in model container [2023-03-31 17:51:23,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 05:51:23" (1/1) ... [2023-03-31 17:51:23,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 17:51:23,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 17:51:24,488 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/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[49838,49851] [2023-03-31 17:51:24,574 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/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[55512,55525] [2023-03-31 17:51:24,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 17:51:24,815 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 17:51:25,136 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/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[49838,49851] [2023-03-31 17:51:25,200 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/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[55512,55525] [2023-03-31 17:51:25,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 17:51:25,455 INFO L208 MainTranslator]: Completed translation [2023-03-31 17:51:25,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:51:25 WrapperNode [2023-03-31 17:51:25,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 17:51:25,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 17:51:25,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 17:51:25,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 17:51:25,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:51:25" (1/1) ... [2023-03-31 17:51:25,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:51:25" (1/1) ... [2023-03-31 17:51:25,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:51:25" (1/1) ... [2023-03-31 17:51:25,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:51:25" (1/1) ... [2023-03-31 17:51:25,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:51:25" (1/1) ... [2023-03-31 17:51:25,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:51:25" (1/1) ... [2023-03-31 17:51:25,685 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:51:25" (1/1) ... [2023-03-31 17:51:25,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:51:25" (1/1) ... [2023-03-31 17:51:25,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 17:51:25,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 17:51:25,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 17:51:25,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 17:51:25,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 05:51:25" (1/1) ... [2023-03-31 17:51:25,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 17:51:25,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 17:51:25,766 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 17:51:25,768 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 17:51:25,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 17:51:25,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 17:51:25,817 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 17:51:25,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 17:51:25,817 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 17:51:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 17:51:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 17:51:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 17:51:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 17:51:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-03-31 17:51:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-31 17:51:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-03-31 17:51:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 17:51:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure read [2023-03-31 17:51:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure write [2023-03-31 17:51:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2023-03-31 17:51:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2023-03-31 17:51:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2023-03-31 17:51:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2023-03-31 17:51:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2023-03-31 17:51:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure init [2023-03-31 17:51:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure check [2023-03-31 17:51:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 17:51:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 17:51:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 17:51:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 17:51:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 17:51:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 17:51:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 17:51:26,160 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 17:51:26,162 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 17:51:28,702 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 17:51:29,650 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 17:51:29,650 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 17:51:29,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 05:51:29 BoogieIcfgContainer [2023-03-31 17:51:29,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 17:51:29,654 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 17:51:29,654 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 17:51:29,654 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 17:51:29,655 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 05:51:29" (1/1) ... [2023-03-31 17:51:29,655 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 17:51:29,722 INFO L159 IcfgInterpreter]: Started Sifa with 2 locations of interest [2023-03-31 17:51:29,722 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 17:51:29,748 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 17:51:29,752 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 17:51:29,753 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 17:51:32,836 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 534 for LOIs