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.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 05:28:30,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 05:28:30,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 05:28:30,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 05:28:30,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 05:28:30,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 05:28:30,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 05:28:30,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 05:28:30,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 05:28:30,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 05:28:30,237 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 05:28:30,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 05:28:30,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 05:28:30,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 05:28:30,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 05:28:30,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 05:28:30,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 05:28:30,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 05:28:30,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 05:28:30,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 05:28:30,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 05:28:30,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 05:28:30,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 05:28:30,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 05:28:30,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 05:28:30,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 05:28:30,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 05:28:30,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 05:28:30,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 05:28:30,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 05:28:30,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 05:28:30,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 05:28:30,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 05:28:30,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 05:28:30,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 05:28:30,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 05:28:30,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 05:28:30,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 05:28:30,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 05:28:30,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 05:28:30,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 05:28:30,278 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 [2019-08-10 05:28:30,314 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 05:28:30,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 05:28:30,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 05:28:30,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 05:28:30,319 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 05:28:30,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 05:28:30,320 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 05:28:30,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 05:28:30,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 05:28:30,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 05:28:30,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 05:28:30,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 05:28:30,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 05:28:30,323 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 05:28:30,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 05:28:30,324 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 05:28:30,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 05:28:30,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 05:28:30,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 05:28:30,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 05:28:30,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 05:28:30,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 05:28:30,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 05:28:30,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 05:28:30,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 05:28:30,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 05:28:30,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 05:28:30,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 05:28:30,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 05:28:30,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 05:28:30,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 05:28:30,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 05:28:30,392 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 05:28:30,392 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 05:28:30,393 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-10 05:28:30,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c34a51364/2b3057aa050d48bea06c0e169d235682/FLAGd44c3d6d7 [2019-08-10 05:28:31,068 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 05:28:31,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-10 05:28:31,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c34a51364/2b3057aa050d48bea06c0e169d235682/FLAGd44c3d6d7 [2019-08-10 05:28:31,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c34a51364/2b3057aa050d48bea06c0e169d235682 [2019-08-10 05:28:31,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 05:28:31,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 05:28:31,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 05:28:31,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 05:28:31,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 05:28:31,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 05:28:31" (1/1) ... [2019-08-10 05:28:31,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591db25a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:28:31, skipping insertion in model container [2019-08-10 05:28:31,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 05:28:31" (1/1) ... [2019-08-10 05:28:31,316 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 05:28:31,416 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 05:28:32,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 05:28:32,270 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 05:28:32,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 05:28:32,754 INFO L192 MainTranslator]: Completed translation [2019-08-10 05:28:32,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:28:32 WrapperNode [2019-08-10 05:28:32,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 05:28:32,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 05:28:32,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 05:28:32,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 05:28:32,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:28:32" (1/1) ... [2019-08-10 05:28:32,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:28:32" (1/1) ... [2019-08-10 05:28:32,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:28:32" (1/1) ... [2019-08-10 05:28:32,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:28:32" (1/1) ... [2019-08-10 05:28:32,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:28:32" (1/1) ... [2019-08-10 05:28:32,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:28:32" (1/1) ... [2019-08-10 05:28:32,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:28:32" (1/1) ... [2019-08-10 05:28:32,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 05:28:32,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 05:28:32,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 05:28:32,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 05:28:32,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 05:28:32" (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 [2019-08-10 05:28:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 05:28:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 05:28:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 05:28:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 05:28:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-10 05:28:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-10 05:28:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 05:28:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-10 05:28:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 05:28:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-10 05:28:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-10 05:28:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-10 05:28:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-10 05:28:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-10 05:28:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-10 05:28:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 05:28:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 05:28:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 05:28:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 05:28:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 05:28:35,381 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 05:28:35,381 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 05:28:35,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 05:28:35 BoogieIcfgContainer [2019-08-10 05:28:35,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 05:28:35,384 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 05:28:35,384 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 05:28:35,384 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 05:28:35,385 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 05:28:35" (1/1) ... [2019-08-10 05:28:36,099 WARN L188 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2019-08-10 05:28:36,732 WARN L188 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 202