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-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 13:23:14,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 13:23:14,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 13:23:14,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 13:23:14,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 13:23:14,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 13:23:14,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 13:23:14,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 13:23:14,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 13:23:14,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 13:23:14,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 13:23:14,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 13:23:14,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 13:23:14,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 13:23:14,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 13:23:14,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 13:23:14,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 13:23:14,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 13:23:14,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 13:23:14,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 13:23:14,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 13:23:14,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 13:23:14,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 13:23:14,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 13:23:14,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 13:23:14,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 13:23:14,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 13:23:14,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 13:23:14,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 13:23:14,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 13:23:14,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 13:23:14,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 13:23:14,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 13:23:14,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 13:23:14,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 13:23:14,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 13:23:14,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 13:23:14,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 13:23:14,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 13:23:14,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 13:23:14,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 13:23:14,498 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 13:23:14,514 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 13:23:14,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 13:23:14,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 13:23:14,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 13:23:14,516 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 13:23:14,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 13:23:14,517 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 13:23:14,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 13:23:14,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 13:23:14,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 13:23:14,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 13:23:14,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 13:23:14,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 13:23:14,521 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 13:23:14,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 13:23:14,522 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 13:23:14,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 13:23:14,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 13:23:14,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 13:23:14,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 13:23:14,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 13:23:14,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 13:23:14,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 13:23:14,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 13:23:14,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 13:23:14,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 13:23:14,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 13:23:14,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 13:23:14,524 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 13:23:14,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 13:23:14,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 13:23:14,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 13:23:14,570 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 13:23:14,570 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 13:23:14,571 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-09-06 13:23:14,627 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc2f06ebd/797bb1d91c1f4921bf6c349e4f220767/FLAG23af304c7 [2019-09-06 13:23:15,324 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 13:23:15,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-09-06 13:23:15,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc2f06ebd/797bb1d91c1f4921bf6c349e4f220767/FLAG23af304c7 [2019-09-06 13:23:15,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc2f06ebd/797bb1d91c1f4921bf6c349e4f220767 [2019-09-06 13:23:15,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 13:23:15,469 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 13:23:15,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 13:23:15,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 13:23:15,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 13:23:15,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:23:15" (1/1) ... [2019-09-06 13:23:15,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ebf09e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:15, skipping insertion in model container [2019-09-06 13:23:15,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:23:15" (1/1) ... [2019-09-06 13:23:15,488 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 13:23:15,642 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 13:23:16,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 13:23:16,689 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 13:23:16,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 13:23:17,020 INFO L192 MainTranslator]: Completed translation [2019-09-06 13:23:17,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:17 WrapperNode [2019-09-06 13:23:17,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 13:23:17,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 13:23:17,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 13:23:17,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 13:23:17,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:17" (1/1) ... [2019-09-06 13:23:17,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:17" (1/1) ... [2019-09-06 13:23:17,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:17" (1/1) ... [2019-09-06 13:23:17,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:17" (1/1) ... [2019-09-06 13:23:17,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:17" (1/1) ... [2019-09-06 13:23:17,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:17" (1/1) ... [2019-09-06 13:23:17,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:17" (1/1) ... [2019-09-06 13:23:17,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 13:23:17,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 13:23:17,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 13:23:17,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 13:23:17,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:17" (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 13:23:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 13:23:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 13:23:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 13:23:17,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 13:23:17,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 13:23:17,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 13:23:17,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 13:23:17,285 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 13:23:17,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 13:23:17,286 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 13:23:17,286 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 13:23:17,286 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 13:23:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 13:23:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 13:23:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 13:23:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 13:23:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 13:23:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 13:23:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 13:23:20,431 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 13:23:20,431 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 13:23:20,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:23:20 BoogieIcfgContainer [2019-09-06 13:23:20,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 13:23:20,436 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 13:23:20,437 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 13:23:20,437 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 13:23:20,439 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:23:20" (1/1) ... [2019-09-06 13:23:20,442 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 13:23:20,487 INFO L162 IcfgInterpreter]: Started Sifa with 6 locations of interest [2019-09-06 13:23:20,487 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 13:23:20,510 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 13:23:20,526 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 13:23:20,528 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 13:23:20,737 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 499 for LOIs