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_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 14:56:05,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 14:56:05,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 14:56:05,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 14:56:05,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 14:56:05,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 14:56:05,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 14:56:05,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 14:56:05,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 14:56:05,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 14:56:05,403 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 14:56:05,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 14:56:05,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 14:56:05,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 14:56:05,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 14:56:05,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 14:56:05,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 14:56:05,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 14:56:05,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 14:56:05,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 14:56:05,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 14:56:05,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 14:56:05,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 14:56:05,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 14:56:05,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 14:56:05,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 14:56:05,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 14:56:05,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 14:56:05,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 14:56:05,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 14:56:05,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 14:56:05,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 14:56:05,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 14:56:05,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 14:56:05,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 14:56:05,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 14:56:05,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 14:56:05,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 14:56:05,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 14:56:05,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 14:56:05,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 14:56:05,448 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 [2019-08-08 14:56:05,487 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 14:56:05,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 14:56:05,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 14:56:05,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 14:56:05,493 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 14:56:05,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 14:56:05,494 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 14:56:05,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 14:56:05,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 14:56:05,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 14:56:05,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 14:56:05,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 14:56:05,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 14:56:05,499 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 14:56:05,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 14:56:05,499 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 14:56:05,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 14:56:05,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 14:56:05,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 14:56:05,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 14:56:05,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 14:56:05,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 14:56:05,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 14:56:05,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 14:56:05,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 14:56:05,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 14:56:05,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 14:56:05,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 14:56:05,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 14:56:05,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 14:56:05,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 14:56:05,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 14:56:05,580 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 14:56:05,580 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 14:56:05,581 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-08 14:56:05,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e571752/be5334f1c1174ff581eab9aca51c3258/FLAG7f81fceb2 [2019-08-08 14:56:06,254 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 14:56:06,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-08 14:56:06,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e571752/be5334f1c1174ff581eab9aca51c3258/FLAG7f81fceb2 [2019-08-08 14:56:06,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e571752/be5334f1c1174ff581eab9aca51c3258 [2019-08-08 14:56:06,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 14:56:06,504 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 14:56:06,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 14:56:06,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 14:56:06,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 14:56:06,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:56:06" (1/1) ... [2019-08-08 14:56:06,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1662e356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:56:06, skipping insertion in model container [2019-08-08 14:56:06,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:56:06" (1/1) ... [2019-08-08 14:56:06,523 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 14:56:06,597 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 14:56:06,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 14:56:06,996 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 14:56:07,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 14:56:07,274 INFO L192 MainTranslator]: Completed translation [2019-08-08 14:56:07,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:56:07 WrapperNode [2019-08-08 14:56:07,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 14:56:07,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 14:56:07,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 14:56:07,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 14:56:07,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:56:07" (1/1) ... [2019-08-08 14:56:07,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:56:07" (1/1) ... [2019-08-08 14:56:07,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:56:07" (1/1) ... [2019-08-08 14:56:07,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:56:07" (1/1) ... [2019-08-08 14:56:07,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:56:07" (1/1) ... [2019-08-08 14:56:07,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:56:07" (1/1) ... [2019-08-08 14:56:07,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:56:07" (1/1) ... [2019-08-08 14:56:07,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 14:56:07,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 14:56:07,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 14:56:07,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 14:56:07,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:56:07" (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 [2019-08-08 14:56:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 14:56:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 14:56:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 14:56:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 14:56:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 14:56:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-08 14:56:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 14:56:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 14:56:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 14:56:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-08 14:56:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-08 14:56:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-08 14:56:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-08 14:56:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-08 14:56:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-08 14:56:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-08 14:56:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 14:56:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 14:56:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 14:56:10,127 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 14:56:10,128 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 14:56:10,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:56:10 BoogieIcfgContainer [2019-08-08 14:56:10,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 14:56:10,130 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 14:56:10,130 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 14:56:10,130 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 14:56:10,131 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:56:10" (1/1) ... [2019-08-08 14:56:10,143 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-08 14:56:10,145 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 14:56:10,155 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 14:56:10,163 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 14:56:10,165 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 14:56:10,273 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 229