/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/loop-invgen/apache-get-tag.i.p+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 11:18:48,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 11:18:48,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 11:18:48,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 11:18:48,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 11:18:48,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 11:18:48,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 11:18:48,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 11:18:48,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 11:18:48,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 11:18:48,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 11:18:48,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 11:18:48,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 11:18:48,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 11:18:48,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 11:18:48,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 11:18:48,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 11:18:48,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 11:18:48,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 11:18:48,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 11:18:48,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 11:18:48,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 11:18:48,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 11:18:48,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 11:18:48,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 11:18:48,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 11:18:48,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 11:18:48,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 11:18:48,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 11:18:48,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 11:18:48,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 11:18:48,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 11:18:48,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 11:18:48,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 11:18:48,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 11:18:48,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 11:18:48,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 11:18:48,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 11:18:48,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 11:18:48,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 11:18:48,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 11:18:48,342 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 11:18:48,363 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 11:18:48,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 11:18:48,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 11:18:48,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 11:18:48,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 11:18:48,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 11:18:48,364 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 11:18:48,364 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 11:18:48,364 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 11:18:48,365 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 11:18:48,365 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 11:18:48,365 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 11:18:48,365 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 11:18:48,365 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 11:18:48,365 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 11:18:48,365 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 11:18:48,365 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 11:18:48,366 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 11:18:48,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 11:18:48,366 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 11:18:48,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 11:18:48,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 11:18:48,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 11:18:48,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 11:18:48,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 11:18:48,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 11:18:48,367 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 11:18:48,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 11:18:48,367 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 11:18:48,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 11:18:48,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 11:18:48,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 11:18:48,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 11:18:48,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 11:18:48,368 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 11:18:48,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 11:18:48,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 11:18:48,368 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 11:18:48,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 11:18:48,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 11:18:48,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 11:18:48,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-31 11:18:48,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 11:18:48,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 11:18:48,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 11:18:48,624 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 11:18:48,625 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 11:18:48,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2023-03-31 11:18:49,779 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 11:18:50,062 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 11:18:50,062 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2023-03-31 11:18:50,077 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dc557803/effc1f5ddec74604bf77d3d19ded75de/FLAG004c6d7f0 [2023-03-31 11:18:50,090 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dc557803/effc1f5ddec74604bf77d3d19ded75de [2023-03-31 11:18:50,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 11:18:50,093 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 11:18:50,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 11:18:50,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 11:18:50,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 11:18:50,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:18:50" (1/1) ... [2023-03-31 11:18:50,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26149761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:18:50, skipping insertion in model container [2023-03-31 11:18:50,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:18:50" (1/1) ... [2023-03-31 11:18:50,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 11:18:50,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 11:18:50,354 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[1000,1013] [2023-03-31 11:18:50,358 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[1215,1228] [2023-03-31 11:18:50,750 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[83573,83586] [2023-03-31 11:18:50,755 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[83794,83807] [2023-03-31 11:18:50,760 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84257,84270] [2023-03-31 11:18:50,763 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84478,84491] [2023-03-31 11:18:50,768 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84801,84814] [2023-03-31 11:18:50,771 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85022,85035] [2023-03-31 11:18:50,775 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85521,85534] [2023-03-31 11:18:50,781 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85742,85755] [2023-03-31 11:18:50,787 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86050,86063] [2023-03-31 11:18:50,791 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86271,86284] [2023-03-31 11:18:50,795 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86594,86607] [2023-03-31 11:18:50,799 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86815,86828] [2023-03-31 11:18:50,803 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[87258,87271] [2023-03-31 11:18:50,806 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[87479,87492] [2023-03-31 11:18:50,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 11:18:50,833 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 11:18:50,845 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[1000,1013] [2023-03-31 11:18:50,849 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[1215,1228] [2023-03-31 11:18:51,050 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[83573,83586] [2023-03-31 11:18:51,053 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[83794,83807] [2023-03-31 11:18:51,057 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84257,84270] [2023-03-31 11:18:51,060 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84478,84491] [2023-03-31 11:18:51,064 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84801,84814] [2023-03-31 11:18:51,072 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85022,85035] [2023-03-31 11:18:51,075 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85521,85534] [2023-03-31 11:18:51,078 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85742,85755] [2023-03-31 11:18:51,081 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86050,86063] [2023-03-31 11:18:51,084 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86271,86284] [2023-03-31 11:18:51,086 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86594,86607] [2023-03-31 11:18:51,089 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86815,86828] [2023-03-31 11:18:51,093 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[87258,87271] [2023-03-31 11:18:51,096 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/loop-invgen/apache-get-tag.i.p+sep-reducer.c[87479,87492] [2023-03-31 11:18:51,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 11:18:51,116 INFO L208 MainTranslator]: Completed translation [2023-03-31 11:18:51,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:18:51 WrapperNode [2023-03-31 11:18:51,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 11:18:51,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 11:18:51,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 11:18:51,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 11:18:51,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:18:51" (1/1) ... [2023-03-31 11:18:51,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:18:51" (1/1) ... [2023-03-31 11:18:51,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:18:51" (1/1) ... [2023-03-31 11:18:51,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:18:51" (1/1) ... [2023-03-31 11:18:51,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:18:51" (1/1) ... [2023-03-31 11:18:51,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:18:51" (1/1) ... [2023-03-31 11:18:51,226 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:18:51" (1/1) ... [2023-03-31 11:18:51,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:18:51" (1/1) ... [2023-03-31 11:18:51,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 11:18:51,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 11:18:51,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 11:18:51,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 11:18:51,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:18:51" (1/1) ... [2023-03-31 11:18:51,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 11:18:51,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 11:18:51,275 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 11:18:51,300 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 11:18:51,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 11:18:51,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 11:18:51,317 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 11:18:51,318 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 11:18:51,318 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 11:18:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 11:18:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 11:18:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 11:18:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 11:18:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 11:18:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-31 11:18:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 11:18:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 11:18:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 11:18:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 11:18:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 11:18:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 11:18:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 11:18:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 11:18:51,611 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 11:18:51,613 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 11:18:52,852 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 11:18:52,886 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 11:18:52,886 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 11:18:52,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:18:52 BoogieIcfgContainer [2023-03-31 11:18:52,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 11:18:52,894 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 11:18:52,894 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 11:18:52,894 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 11:18:52,895 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:18:52" (1/1) ... [2023-03-31 11:18:52,895 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 11:18:52,934 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2023-03-31 11:18:52,934 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 11:18:52,943 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 11:18:52,948 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 11:18:52,949 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 11:18:53,193 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2023-03-31 11:19:08,664 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2023-03-31 11:19:09,747 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 32768 conjuctions. This might take some time...