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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid AlwaysFluid --sifa.intern.fluid AlwaysFluid --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 [2019-09-19 17:29:20,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:29:20,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:29:20,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:29:20,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:29:20,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:29:20,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:29:20,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:29:20,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:29:20,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:29:20,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:29:20,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:29:20,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:29:20,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:29:20,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:29:20,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:29:20,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:29:20,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:29:20,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:29:20,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:29:20,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:29:20,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:29:20,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:29:20,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:29:20,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:29:20,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:29:20,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:29:20,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:29:20,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:29:20,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:29:20,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:29:20,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:29:20,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:29:20,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:29:20,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:29:20,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:29:20,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:29:20,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:29:20,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:29:20,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:29:20,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:29:20,501 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 [2019-09-19 17:29:20,515 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:29:20,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:29:20,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:29:20,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:29:20,517 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:29:20,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:29:20,518 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:29:20,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:29:20,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:29:20,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:29:20,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:29:20,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:29:20,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:29:20,519 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:29:20,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:29:20,520 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:29:20,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:29:20,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:29:20,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:29:20,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:29:20,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:29:20,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:29:20,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:29:20,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:29:20,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:29:20,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:29:20,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:29:20,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:29:20,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:29:20,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:29:20,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:29:20,574 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:29:20,575 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:29:20,576 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:29:20,577 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-19 17:29:20,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/172613a95/e440b2437ffb444db5ea678a959f74c0/FLAG19ef63548 [2019-09-19 17:29:21,164 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:29:21,166 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-19 17:29:21,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/172613a95/e440b2437ffb444db5ea678a959f74c0/FLAG19ef63548 [2019-09-19 17:29:21,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/172613a95/e440b2437ffb444db5ea678a959f74c0 [2019-09-19 17:29:21,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:29:21,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:29:21,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:29:21,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:29:21,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:29:21,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:29:21" (1/1) ... [2019-09-19 17:29:21,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d344efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:21, skipping insertion in model container [2019-09-19 17:29:21,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:29:21" (1/1) ... [2019-09-19 17:29:21,491 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:29:21,559 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:29:22,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:29:22,025 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:29:22,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:29:22,175 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:29:22,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:22 WrapperNode [2019-09-19 17:29:22,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:29:22,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:29:22,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:29:22,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:29:22,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:22" (1/1) ... [2019-09-19 17:29:22,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:22" (1/1) ... [2019-09-19 17:29:22,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:22" (1/1) ... [2019-09-19 17:29:22,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:22" (1/1) ... [2019-09-19 17:29:22,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:22" (1/1) ... [2019-09-19 17:29:22,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:22" (1/1) ... [2019-09-19 17:29:22,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:22" (1/1) ... [2019-09-19 17:29:22,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:29:22,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:29:22,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:29:22,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:29:22,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:22" (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 [2019-09-19 17:29:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:29:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:29:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:29:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:29:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-19 17:29:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-19 17:29:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-19 17:29:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-19 17:29:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-19 17:29:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-19 17:29:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-19 17:29:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-19 17:29:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-19 17:29:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-19 17:29:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-19 17:29:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:29:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:29:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:29:24,289 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:29:24,289 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-19 17:29:24,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:29:24 BoogieIcfgContainer [2019-09-19 17:29:24,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:29:24,291 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:29:24,291 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:29:24,292 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:29:24,293 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:29:24" (1/1) ... [2019-09-19 17:29:24,293 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-19 17:29:24,317 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:29:24,318 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:29:24,327 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:29:24,337 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:29:24,338 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:29:24,810 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-19 17:29:25,077 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-19 17:29:25,316 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-19 17:29:25,582 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-19 17:29:25,625 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 136 for LOIs [2019-09-19 17:29:28,419 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-19 17:29:36,565 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 262144 conjuctions. This might take some time...