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.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:11:10,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:11:10,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:11:10,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:11:10,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:11:10,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:11:10,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:11:10,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:11:10,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:11:10,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:11:10,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:11:10,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:11:10,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:11:10,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:11:10,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:11:10,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:11:10,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:11:10,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:11:10,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:11:10,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:11:10,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:11:10,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:11:10,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:11:10,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:11:10,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:11:10,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:11:10,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:11:10,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:11:10,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:11:10,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:11:10,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:11:10,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:11:10,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:11:10,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:11:10,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:11:10,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:11:10,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:11:10,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:11:10,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:11:10,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:11:10,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:11:10,368 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 14:11:10,401 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:11:10,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:11:10,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:11:10,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:11:10,403 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:11:10,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:11:10,404 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:11:10,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:11:10,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:11:10,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:11:10,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:11:10,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:11:10,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:11:10,408 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:11:10,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:11:10,408 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:11:10,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:11:10,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:11:10,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:11:10,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:11:10,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:11:10,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:11:10,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:11:10,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:11:10,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:11:10,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:11:10,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:11:10,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:11:10,411 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 14:11:10,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:11:10,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:11:10,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:11:10,464 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:11:10,464 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:11:10,465 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-06 14:11:10,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e12eade/cd37f15ddd0b4841bfec07c221f59956/FLAGd546fba19 [2019-09-06 14:11:11,094 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:11:11,095 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-06 14:11:11,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e12eade/cd37f15ddd0b4841bfec07c221f59956/FLAGd546fba19 [2019-09-06 14:11:11,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e12eade/cd37f15ddd0b4841bfec07c221f59956 [2019-09-06 14:11:11,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:11:11,372 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:11:11,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:11:11,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:11:11,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:11:11,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:11:11" (1/1) ... [2019-09-06 14:11:11,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72af9ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:11:11, skipping insertion in model container [2019-09-06 14:11:11,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:11:11" (1/1) ... [2019-09-06 14:11:11,389 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:11:11,455 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:11:11,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:11:11,966 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:11:12,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:11:12,126 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:11:12,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:11:12 WrapperNode [2019-09-06 14:11:12,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:11:12,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:11:12,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:11:12,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:11:12,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:11:12" (1/1) ... [2019-09-06 14:11:12,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:11:12" (1/1) ... [2019-09-06 14:11:12,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:11:12" (1/1) ... [2019-09-06 14:11:12,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:11:12" (1/1) ... [2019-09-06 14:11:12,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:11:12" (1/1) ... [2019-09-06 14:11:12,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:11:12" (1/1) ... [2019-09-06 14:11:12,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:11:12" (1/1) ... [2019-09-06 14:11:12,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:11:12,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:11:12,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:11:12,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:11:12,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:11:12" (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 14:11:12,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:11:12,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:11:12,311 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:11:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:11:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:11:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:11:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 14:11:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:11:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:11:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:11:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:11:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:11:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:11:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:11:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 14:11:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-06 14:11:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-09-06 14:11:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2019-09-06 14:11:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:11:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:11:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:11:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:11:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:11:13,513 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:11:13,513 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:11:13,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:11:13 BoogieIcfgContainer [2019-09-06 14:11:13,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:11:13,516 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:11:13,516 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:11:13,517 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:11:13,518 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:11:13" (1/1) ... [2019-09-06 14:11:13,519 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 14:11:13,545 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 14:11:13,546 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:11:13,558 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:11:13,570 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:11:13,572 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:11:13,760 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 261 for LOIs