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 -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 23:44:17,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 23:44:17,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 23:44:17,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 23:44:17,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 23:44:17,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 23:44:17,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 23:44:17,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 23:44:17,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 23:44:17,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 23:44:17,330 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 23:44:17,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 23:44:17,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 23:44:17,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 23:44:17,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 23:44:17,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 23:44:17,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 23:44:17,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 23:44:17,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 23:44:17,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 23:44:17,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 23:44:17,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 23:44:17,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 23:44:17,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 23:44:17,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 23:44:17,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 23:44:17,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 23:44:17,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 23:44:17,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 23:44:17,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 23:44:17,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 23:44:17,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 23:44:17,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 23:44:17,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 23:44:17,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 23:44:17,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 23:44:17,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 23:44:17,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 23:44:17,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 23:44:17,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 23:44:17,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 23:44:17,364 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 [2019-08-14 23:44:17,383 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 23:44:17,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 23:44:17,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 23:44:17,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 23:44:17,385 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 23:44:17,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 23:44:17,386 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 23:44:17,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 23:44:17,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 23:44:17,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 23:44:17,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 23:44:17,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 23:44:17,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 23:44:17,389 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 23:44:17,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 23:44:17,390 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 23:44:17,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 23:44:17,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 23:44:17,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 23:44:17,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 23:44:17,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 23:44:17,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 23:44:17,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 23:44:17,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 23:44:17,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 23:44:17,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 23:44:17,394 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 23:44:17,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 23:44:17,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 23:44:17,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 23:44:17,443 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 23:44:17,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 23:44:17,448 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 23:44:17,449 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 23:44:17,450 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-08-14 23:44:17,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f5eeff8/16abc48d7e1e47afb4af3224727604b4/FLAG1ee4ac4aa [2019-08-14 23:44:18,108 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 23:44:18,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-08-14 23:44:18,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f5eeff8/16abc48d7e1e47afb4af3224727604b4/FLAG1ee4ac4aa [2019-08-14 23:44:18,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f5eeff8/16abc48d7e1e47afb4af3224727604b4 [2019-08-14 23:44:18,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 23:44:18,398 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 23:44:18,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 23:44:18,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 23:44:18,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 23:44:18,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:44:18" (1/1) ... [2019-08-14 23:44:18,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2463ddc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:44:18, skipping insertion in model container [2019-08-14 23:44:18,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:44:18" (1/1) ... [2019-08-14 23:44:18,415 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 23:44:18,503 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 23:44:19,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 23:44:19,056 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 23:44:19,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 23:44:19,241 INFO L192 MainTranslator]: Completed translation [2019-08-14 23:44:19,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:44:19 WrapperNode [2019-08-14 23:44:19,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 23:44:19,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 23:44:19,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 23:44:19,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 23:44:19,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:44:19" (1/1) ... [2019-08-14 23:44:19,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:44:19" (1/1) ... [2019-08-14 23:44:19,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:44:19" (1/1) ... [2019-08-14 23:44:19,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:44:19" (1/1) ... [2019-08-14 23:44:19,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:44:19" (1/1) ... [2019-08-14 23:44:19,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:44:19" (1/1) ... [2019-08-14 23:44:19,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:44:19" (1/1) ... [2019-08-14 23:44:19,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 23:44:19,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 23:44:19,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 23:44:19,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 23:44:19,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:44:19" (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 [2019-08-14 23:44:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 23:44:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 23:44:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 23:44:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 23:44:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-14 23:44:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-14 23:44:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-14 23:44:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-14 23:44:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 23:44:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-14 23:44:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-14 23:44:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-14 23:44:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-14 23:44:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-14 23:44:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-14 23:44:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-14 23:44:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 23:44:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 23:44:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 23:44:20,804 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 23:44:20,805 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 23:44:20,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:44:20 BoogieIcfgContainer [2019-08-14 23:44:20,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 23:44:20,807 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 23:44:20,807 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 23:44:20,807 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 23:44:20,808 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:44:20" (1/1) ... [2019-08-14 23:44:21,237 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-08-14 23:44:21,557 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 131