java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:07:34,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:07:34,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:07:34,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:07:34,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:07:34,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:07:34,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:07:34,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:07:34,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:07:34,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:07:34,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:07:34,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:07:34,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:07:34,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:07:34,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:07:34,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:07:34,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:07:34,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:07:34,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:07:34,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:07:34,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:07:34,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:07:34,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:07:34,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:07:34,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:07:34,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:07:34,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:07:34,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:07:34,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:07:34,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:07:34,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:07:34,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:07:34,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:07:34,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:07:34,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:07:34,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:07:34,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:07:34,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:07:34,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:07:34,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:07:34,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:07:34,448 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-06 14:07:34,463 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:07:34,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:07:34,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:07:34,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:07:34,467 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:07:34,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:07:34,467 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:07:34,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:07:34,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:07:34,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:07:34,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:07:34,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:07:34,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:07:34,469 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:07:34,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:07:34,470 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:07:34,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:07:34,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:07:34,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:07:34,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:07:34,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:07:34,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:07:34,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:07:34,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:07:34,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:07:34,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:07:34,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:07:34,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:07:34,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 14:07:34,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:07:34,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:07:34,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:07:34,526 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:07:34,526 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:07:34,527 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2019-09-06 14:07:34,601 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58fb4112/ba5d50464b384bb781f2052d91c63e79/FLAG2db2a2f19 [2019-09-06 14:07:35,160 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:07:35,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2019-09-06 14:07:35,180 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58fb4112/ba5d50464b384bb781f2052d91c63e79/FLAG2db2a2f19 [2019-09-06 14:07:35,435 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58fb4112/ba5d50464b384bb781f2052d91c63e79 [2019-09-06 14:07:35,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:07:35,447 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:07:35,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:07:35,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:07:35,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:07:35,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:07:35" (1/1) ... [2019-09-06 14:07:35,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28589b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:07:35, skipping insertion in model container [2019-09-06 14:07:35,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:07:35" (1/1) ... [2019-09-06 14:07:35,464 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:07:35,508 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:07:35,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:07:35,975 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:07:36,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:07:36,139 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:07:36,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:07:36 WrapperNode [2019-09-06 14:07:36,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:07:36,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:07:36,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:07:36,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:07:36,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:07:36" (1/1) ... [2019-09-06 14:07:36,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:07:36" (1/1) ... [2019-09-06 14:07:36,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:07:36" (1/1) ... [2019-09-06 14:07:36,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:07:36" (1/1) ... [2019-09-06 14:07:36,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:07:36" (1/1) ... [2019-09-06 14:07:36,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:07:36" (1/1) ... [2019-09-06 14:07:36,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:07:36" (1/1) ... [2019-09-06 14:07:36,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:07:36,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:07:36,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:07:36,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:07:36,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:07:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:07:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:07:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:07:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:07:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:07:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:07:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:07:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:07:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:07:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:07:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:07:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:07:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:07:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:07:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 14:07:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-06 14:07:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-09-06 14:07:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:07:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:07:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:07:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:07:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:07:37,207 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:07:37,208 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:07:37,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:07:37 BoogieIcfgContainer [2019-09-06 14:07:37,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:07:37,211 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:07:37,211 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:07:37,212 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:07:37,213 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:07:37" (1/1) ... [2019-09-06 14:07:37,214 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 14:07:37,261 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 14:07:37,262 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:07:37,291 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:07:37,306 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:07:37,309 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:07:37,488 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 238 for LOIs