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 --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:38:42,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:38:42,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:38:42,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:38:42,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:38:42,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:38:42,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:38:42,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:38:42,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:38:42,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:38:42,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:38:42,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:38:42,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:38:42,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:38:42,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:38:42,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:38:42,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:38:42,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:38:42,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:38:42,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:38:42,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:38:42,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:38:42,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:38:42,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:38:42,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:38:42,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:38:42,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:38:42,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:38:42,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:38:42,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:38:42,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:38:42,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:38:42,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:38:42,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:38:42,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:38:42,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:38:42,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:38:42,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:38:42,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:38:42,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:38:42,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:38:42,457 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 [2019-09-17 10:38:42,488 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:38:42,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:38:42,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:38:42,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:38:42,491 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:38:42,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:38:42,492 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:38:42,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:38:42,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:38:42,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:38:42,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:38:42,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:38:42,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:38:42,494 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:38:42,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:38:42,494 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:38:42,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:38:42,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:38:42,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:38:42,495 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:38:42,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:38:42,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:38:42,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:38:42,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:38:42,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:38:42,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:38:42,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:38:42,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:38:42,497 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 10:38:42,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:38:42,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:38:42,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:38:42,552 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:38:42,553 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:38:42,554 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-17 10:38:42,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/185e66573/7f752b5871344e0f9b31b4b7b0224449/FLAGb71bb3ed1 [2019-09-17 10:38:43,158 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:38:43,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-17 10:38:43,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/185e66573/7f752b5871344e0f9b31b4b7b0224449/FLAGb71bb3ed1 [2019-09-17 10:38:43,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/185e66573/7f752b5871344e0f9b31b4b7b0224449 [2019-09-17 10:38:43,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:38:43,476 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:38:43,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:38:43,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:38:43,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:38:43,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:38:43" (1/1) ... [2019-09-17 10:38:43,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f94175d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:43, skipping insertion in model container [2019-09-17 10:38:43,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:38:43" (1/1) ... [2019-09-17 10:38:43,493 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:38:43,550 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:38:43,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:38:44,012 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:38:44,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:38:44,181 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:38:44,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:44 WrapperNode [2019-09-17 10:38:44,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:38:44,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:38:44,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:38:44,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:38:44,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:44" (1/1) ... [2019-09-17 10:38:44,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:44" (1/1) ... [2019-09-17 10:38:44,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:44" (1/1) ... [2019-09-17 10:38:44,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:44" (1/1) ... [2019-09-17 10:38:44,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:44" (1/1) ... [2019-09-17 10:38:44,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:44" (1/1) ... [2019-09-17 10:38:44,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:44" (1/1) ... [2019-09-17 10:38:44,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:38:44,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:38:44,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:38:44,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:38:44,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:38:44" (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 [2019-09-17 10:38:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:38:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:38:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:38:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:38:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-17 10:38:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-17 10:38:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-17 10:38:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-17 10:38:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-17 10:38:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-17 10:38:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-17 10:38:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-17 10:38:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-17 10:38:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-17 10:38:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-17 10:38:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:38:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:38:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:38:46,202 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:38:46,203 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-17 10:38:46,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:38:46 BoogieIcfgContainer [2019-09-17 10:38:46,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:38:46,206 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:38:46,206 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:38:46,206 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:38:46,208 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:38:46" (1/1) ... [2019-09-17 10:38:46,208 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 10:38:46,235 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:38:46,235 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:38:46,245 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:38:46,253 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:38:46,255 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:38:46,722 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 10:38:46,971 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 10:38:47,589 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-09-17 10:38:47,631 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 253 for LOIs [2019-09-17 10:38:50,438 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-17 10:39:17,284 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 262144 conjuctions. This might take some time...